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MT, USA
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Posted: 3/20/2014 1:17:11 AM EDT
[#1]
Quote HistoryOriginally Posted By schaz42:
Being former VBSS, myself nor any of my former team were ever called nor would we ever call our selves operators. We also had no choice in optic with the Mk18 Mod0, it was always a CompM2 in a WilcoX mount and BUIS was LMT. Illumination was a Surefire 962, and thats it. We also rocked Mossberg 500's some with surefire for end, and M9's as our last resort. We had no special equipment or patches, a quick two week course in San Diego and we were ships company VBSS. That's it... William Quote HistoryOriginally Posted By schaz42:
Originally Posted By warpig8654:
Originally Posted By Max4Benelli:
Originally Posted By m3racer:
Originally Posted By Max4Benelli:
Would there be any other optic I could use on a MK18 Mod O other than a Comp M2? Seriously? Su231 Su231a Su230 Ta01NSN Eotech 511 or 512 Or none at all Well it was a serious question. Just looking for some help. All I saw listed was M2. • Barrel: 10.3 Colt Government profile with .70 gas port • Rail: Knights Armament M4 RAS • Muzzle Device: Knights Armament NT4 Flash Hider • Front Sight: A2 FSP • Rear Sight: LMT • Optic: Aimpoint CompM2 • Optic Mount: Wilcox • Stock: LMT SOPMOD Gen 1 Black • Grip: A1 • Light: Surefire M952 • Supressor: Knights Armament NT4 Just about any optic available to the operator has been used. The M2 is the original optic chosen but it's not the only one. Being former VBSS, myself nor any of my former team were ever called nor would we ever call our selves operators. We also had no choice in optic with the Mk18 Mod0, it was always a CompM2 in a WilcoX mount and BUIS was LMT. Illumination was a Surefire 962, and thats it. We also rocked Mossberg 500's some with surefire for end, and M9's as our last resort. We had no special equipment or patches, a quick two week course in San Diego and we were ships company VBSS. That's it... William Thanks. That's what I suspected. All the variations in optics and accessories were for the CQBR, not the Mk18 mod 0. |
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Posted: 3/20/2014 2:26:44 AM EDT
[Last Edit: wayfaerer320]
[#2]
CQBR Block IIs:
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Posted: 3/20/2014 9:04:18 AM EDT
[#3]
Originally Posted By AR-Ryan21:
Three 10.3" all factory DD CQBRs between me and a range buddy. We have run H2s in all three of them since round one. Thousands of rounds of PMC Bronze and 62 grain XTac between them - both suppressed and unsuppressed, and 100 percent flawless to date. I always opt to run the heaviest buffer that will yield 100 percent reliability in any and all of my ARs. And with suppressed fire in particular, and the 10.3" barrel, I'm positive I could step up to an H3 and still get 100 percent reliability. Same with mine. Picked it up October 2012, and have about 2000 rounds through it. Everything from 55gr Fiochi to m193 m855 and hand loaded 69gr SMK's on Vihtavuori N135 and havn't ever had a single failure.  Great little gun!
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FL, USA
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Posted: 3/20/2014 9:25:45 AM EDT
[#4]
factory 10.3 DD barrel as well and it EATS anything with standard buffer. didnt have to enlarge or anything.
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Posted: 3/20/2014 10:29:47 AM EDT
[Last Edit: wayfaerer320]
[#5]
Quote HistoryOriginally Posted By m3racer: factory 10.3 DD barrel as well and it EATS anything with standard buffer. didnt have to enlarge or anything. Good to know. I've only shot 55 gr stuff, but I was hoping it would run the heavier stuff as well with the standard buffer. |
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IN, USA
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Posted: 3/20/2014 10:41:41 AM EDT
[Last Edit: Stoner25mkiv]
[#6]
Quote HistoryOriginally Posted By wayfaerer320:
Good to know. I've only shot 55 gr stuff, but I was hoping it would run the heavier stuff as well with the standard buffer. Quote HistoryOriginally Posted By wayfaerer320:
Originally Posted By m3racer:
factory 10.3 DD barrel as well and it EATS anything with standard buffer. didnt have to enlarge or anything. Good to know. I've only shot 55 gr stuff, but I was hoping it would run the heavier stuff as well with the standard buffer. correct me if I'm wrong.........but wouldn't the .080-.082 gas port be to ensure that your 10-10.5" carbine runs flawlessly? I'm hearing some of you say that my DD/.080 runs fine with a std weight carbine buffer.........and why wouldn't it? It has to be overgassed with a light buffer and large port. I would think you would want to run the heaviest buffer you can, that still runs without short stroking, etc, to keep from pounding the thing to death.....or do I not understand? Sounds like AR-Ryans logic is what you'd want.........heaviest buffer that runs......not a std weight. Obviously the std weight is going to run with the DD large port. |
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Posted: 3/20/2014 11:02:28 AM EDT
[#7]
Quote HistoryOriginally Posted By Stoner25mkiv: correct me if I'm wrong.........but wouldn't the .080-.082 gas port be to ensure that your 10-10.5" carbine runs flawlessly? I'm hearing some of you say that my DD/.080 runs fine with a std weight carbine buffer.........and why wouldn't it? It has to be overgassed with a light buffer and large port. I would think you would want to run the heaviest buffer you can, that still runs without short stroking, etc, to keep from pounding the thing to death.....or do I not understand? Sounds like AR-Ryans logic is what you'd want.........heaviest buffer that runs......not a std weight. Obviously the std weight is going to run with the DD large port. Quote HistoryOriginally Posted By Stoner25mkiv: Originally Posted By wayfaerer320: Originally Posted By m3racer: factory 10.3 DD barrel as well and it EATS anything with standard buffer. didnt have to enlarge or anything. Good to know. I've only shot 55 gr stuff, but I was hoping it would run the heavier stuff as well with the standard buffer. correct me if I'm wrong.........but wouldn't the .080-.082 gas port be to ensure that your 10-10.5" carbine runs flawlessly? I'm hearing some of you say that my DD/.080 runs fine with a std weight carbine buffer.........and why wouldn't it? It has to be overgassed with a light buffer and large port. I would think you would want to run the heaviest buffer you can, that still runs without short stroking, etc, to keep from pounding the thing to death.....or do I not understand? Sounds like AR-Ryans logic is what you'd want.........heaviest buffer that runs......not a std weight. Obviously the std weight is going to run with the DD large port. I honestly have no idea to tell you the truth - I'm sure it does work for everything just fine... I just don't have any experience shooting anything heavier than 55 gr stuff, so I didn't want to say that it did without being able to back it up.
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IN, USA
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Posted: 3/20/2014 11:25:20 AM EDT
[#8]
a quick rundown on buffers/gas ports might be in order. Slightly off topic but critical to MK18's and CQBR's since they both have short barrels. Your DD upper was machined with a large gas port that so it would function with all kinds of ammo.........as compared to the ISSUE uppers that have .070 gas ports. ISSUE uppers used ISSUE ammo (hot, comparatively) and will run that ammo, perhaps not commercial ammo that might not be HOT.
When you say that your DD upper runs fine with the std buffer, well.........that is a given. You (not anyone in particular) say you didn;t have to go to a heavier buffer........well.........that would only exacerbate the problem, if the problem was a rifle that wouldn't cycle/function. The real problem is that light buffer with a large (.080 is large) port is needlessly pounding your carbine. Another problem , not associated with buffers, is the large port that DD puts in their MK18 upper. It only causes the area adjacent to/just ahead of the port, to "wash out" faster. The larger the port, the more the bullet impinges into the port as it passes, and increases wear on that area just ahead of the port. I've sectioned quite a few barrels (from Highpower competition rifles) and the anecdotal evidence would support this theory. Just to clarify, I too have a DD MK18 upper. I'll build another upper closer to MK18/CQBR spec when my Colt upper receiver arrives. (SF Socom 556 on the way) I'll put a .070 port in it. I think the large port DD uses is just a matter of having to be able to run crap ammo. Better for them than having people complain that their new upper won't run. |
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Posted: 3/20/2014 11:26:49 AM EDT
[#9]
Best advice on the MK18 that I can offer-
This thing is a finicky beast. We have built 10's of thousands of them. When I see a problem it usually has to do with extraction issues. Buy a high quality bolt and carrier and make sure you have an O-ring. it is a $.10 fix. Other than that gas port sizes matter somewhat but you can get reliable feeding suppressed and un-suppressed in a wide range. Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" |
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Posted: 3/20/2014 11:28:14 AM EDT
[#10]
Quote HistoryOriginally Posted By Stoner25mkiv:
correct me if I'm wrong.........but wouldn't the .080-.082 gas port be to ensure that your 10-10.5" carbine runs flawlessly? I'm hearing some of you say that my DD/.080 runs fine with a std weight carbine buffer.........and why wouldn't it? It has to be overgassed with a light buffer and large port. I would think you would want to run the heaviest buffer you can, that still runs without short stroking, etc, to keep from pounding the thing to death.....or do I not understand? Sounds like AR-Ryans logic is what you'd want.........heaviest buffer that runs......not a std weight. Obviously the std weight is going to run with the DD large port. Quote HistoryOriginally Posted By Stoner25mkiv:
Originally Posted By wayfaerer320:
Originally Posted By m3racer:
factory 10.3 DD barrel as well and it EATS anything with standard buffer. didnt have to enlarge or anything. Good to know. I've only shot 55 gr stuff, but I was hoping it would run the heavier stuff as well with the standard buffer. correct me if I'm wrong.........but wouldn't the .080-.082 gas port be to ensure that your 10-10.5" carbine runs flawlessly? I'm hearing some of you say that my DD/.080 runs fine with a std weight carbine buffer.........and why wouldn't it? It has to be overgassed with a light buffer and large port. I would think you would want to run the heaviest buffer you can, that still runs without short stroking, etc, to keep from pounding the thing to death.....or do I not understand? Sounds like AR-Ryans logic is what you'd want.........heaviest buffer that runs......not a std weight. Obviously the std weight is going to run with the DD large port. I would agree with your statement. I am running a Spikes ST-T2 that came with my pistol tube kit while I was waiting on my stamp. It cycles everything commercial perfectly and smoothly in the DDMK18 upper, but there is a noticeable recoil difference between anything commercial and the m193/m855 stuff. I dont shoot the military ammo a ton so I am not that worried about it, but I would bet I could up the buffer weight and not change my reliability at all. |
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KS, USA
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Posted: 3/20/2014 11:30:43 AM EDT
[#11]
Quote HistoryOriginally Posted By _Iceman_:
Best advice on the MK18 that I can offer- This thing is a finicky beast. We have built 10's of thousands of them. When I see a problem it usually has to do with extraction issues. Buy a high quality bolt and carrier and make sure you have an O-ring. it is a $.10 fix. Other than that gas port sizes matter somewhat but you can get reliable feeding suppressed and un-suppressed in a wide range. Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" Good to know. |
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Posted: 3/20/2014 11:36:05 AM EDT
[#12]
Quote HistoryOriginally Posted By m6z:
Good to know. Quote HistoryOriginally Posted By m6z:
Originally Posted By _Iceman_:
Best advice on the MK18 that I can offer- This thing is a finicky beast. We have built 10's of thousands of them. When I see a problem it usually has to do with extraction issues. Buy a high quality bolt and carrier and make sure you have an O-ring. it is a $.10 fix. Other than that gas port sizes matter somewhat but you can get reliable feeding suppressed and un-suppressed in a wide range. Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" Good to know. It is. Maybe I'm thinking about it wrong but I felt more comfortable buying my complete upper from them vs having something cut down to size. ( and added bonus is it is an issued item as well ) 
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Posted: 3/20/2014 12:01:18 PM EDT
[#13]
I'm ordering a DD 10.3" barrel with a pinned gas block. Is this the Mk12 gas block that's been pinned?
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TX, USA
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Posted: 3/20/2014 12:07:31 PM EDT
[#14]
Quote HistoryOriginally Posted By Stoner25mkiv:
a quick rundown on buffers/gas ports might be in order. Slightly off topic but critical to MK18's and CQBR's since they both have short barrels. Your DD upper was machined with a large gas port that so it would function with all kinds of ammo.........as compared to the ISSUE uppers that have .070 gas ports. ISSUE uppers used ISSUE ammo (hot, comparatively) and will run that ammo, perhaps not commercial ammo that might not be HOT. When you say that your DD upper runs fine with the std buffer, well.........that is a given. You (not anyone in particular) say you didn;t have to go to a heavier buffer........well.........that would only exacerbate the problem, if the problem was a rifle that wouldn't cycle/function. The real problem is that light buffer with a large (.080 is large) port is needlessly pounding your carbine. Another problem , not associated with buffers, is the large port that DD puts in their MK18 upper. It only causes the area adjacent to/just ahead of the port, to "wash out" faster. The larger the port, the more the bullet impinges into the port as it passes, and increases wear on that area just ahead of the port. I've sectioned quite a few barrels (from Highpower competition rifles) and the anecdotal evidence would support this theory. Just to clarify, I too have a DD MK18 upper. I'll build another upper closer to MK18/CQBR spec when my Colt upper receiver arrives. (SF Socom 556 on the way) I'll put a .070 port in it. I think the large port DD uses is just a matter of having to be able to run crap ammo. Better for them than having people complain that their new upper won't run. I agree w/ Ryan and Stoner. I started with a standard spring and buffer, very abrupt recoil impulse, switched out different combos until I got to a A5, Wolff XP and A5H4 6.83oz buffer and the difference is staggering. I shoot mostly XM855 and some Georgia Arms Canned heat. I know the Vltor RE isn't clone correct but it makes a pretty significant difference when used with these short DD barrels that are generously gassed. |
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Posted: 3/20/2014 12:41:18 PM EDT
[#15]
Surefire SF3P arrives tomorrow.
I really wish I had the money right now to buy the suppressor as well.  |
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Posted: 3/20/2014 1:35:15 PM EDT
[#16]
Quote HistoryOriginally Posted By _Iceman_:
Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" I knew it! |
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Posted: 3/20/2014 1:37:23 PM EDT
[#17]
Quote HistoryOriginally Posted By cjwwd2:
I knew it! Quote HistoryOriginally Posted By cjwwd2:
Originally Posted By _Iceman_:
Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" I knew it! That IS an interesting development |
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Posted: 3/20/2014 1:40:35 PM EDT
[#18]
Quote HistoryOriginally Posted By Alaska511:
That IS an interesting development Quote HistoryOriginally Posted By Alaska511:
Originally Posted By cjwwd2:
Originally Posted By _Iceman_:
Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" I knew it! That IS an interesting development Yes it is, esp for the nay-sayers. Thanks for the info, Iceman! |
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USA
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Posted: 3/20/2014 1:49:06 PM EDT
[#19]
I will be a naysayer until I catch some photographic evidence. I just don't see how barrels with, say, .082 gas ports could be purchased by the military for use overseas. I would expect the same for other specs. An over-gassed rifle may run (i.e., cycle), but it is harder on the system and parts.
Of course, I will probably be in the market for a barrel soon since my properly spec'd Colt 10.3 is only going to last a few rounds since it's not CHF. 
Also, here is a link to a video where a DD rep states that the gas port is "optimized" for a wider range of commercial ammo, which I take to imply "less than NATO spec": http://www.youtube.com/watch?v=s3toPQwWw0s |
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Posted: 3/20/2014 1:49:42 PM EDT
[#20]
Quote HistoryOriginally Posted By TurbineGuy:
Yes it is, esp for the nay-sayers. Thanks for the info, Iceman! Quote HistoryOriginally Posted By TurbineGuy:
Originally Posted By Alaska511:
Originally Posted By cjwwd2:
Originally Posted By _Iceman_:
Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" I knew it! That IS an interesting development Yes it is, esp for the nay-sayers. Thanks for the info, Iceman! Now, Iceman...can you tell us who uses them? 
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Posted: 3/20/2014 2:01:05 PM EDT
[#21]
Something tells me this guys isn't much concerned about the weight of his ELCAN at the moment.
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Posted: 3/20/2014 2:02:02 PM EDT
[#22]
Quote HistoryOriginally Posted By _Iceman_:
Best advice on the MK18 that I can offer- This thing is a finicky beast. We have built 10's of thousands of them. When I see a problem it usually has to do with extraction issues. Buy a high quality bolt and carrier and make sure you have an O-ring. it is a $.10 fix. Other than that gas port sizes matter somewhat but you can get reliable feeding suppressed and un-suppressed in a wide range. Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" Do the URG's you've supplied to the govt. have the DDMK18 - 5.56 laser engraving on them as well? |
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TX, USA
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Posted: 3/20/2014 2:09:21 PM EDT
[#23]
Iceman just opened up a can of worms with that teaser lol
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Posted: 3/20/2014 2:23:35 PM EDT
[#24]
Quote HistoryOriginally Posted By Omega9000:
Iceman just opened up a can of worms with that teaser lol Yeah. I just ordered a 10.3" DD barrel from Neil at GG. I was about 90% certain that I was gonna order it but after reading that I called up and ordered it
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Posted: 3/20/2014 2:31:32 PM EDT
[#25]
Quote HistoryOriginally Posted By Omega9000:
Iceman just opened up a can of worms with that teaser lol It is old news that DD supplied some parts... the garbage in the other thread Covered it up.. 
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Posted: 3/20/2014 2:36:07 PM EDT
[#26]
Quote HistoryOriginally Posted By Stoner25mkiv:
correct me if I'm wrong.........but wouldn't the .080-.082 gas port be to ensure that your 10-10.5" carbine runs flawlessly? I'm hearing some of you say that my DD/.080 runs fine with a std weight carbine buffer.........and why wouldn't it? It has to be overgassed with a light buffer and large port. I would think you would want to run the heaviest buffer you can, that still runs without short stroking, etc, to keep from pounding the thing to death.....or do I not understand? Sounds like AR-Ryans logic is what you'd want.........heaviest buffer that runs......not a std weight. Obviously the std weight is going to run with the DD large port. Quote HistoryOriginally Posted By Stoner25mkiv:
Originally Posted By wayfaerer320:
Originally Posted By m3racer:
factory 10.3 DD barrel as well and it EATS anything with standard buffer. didnt have to enlarge or anything. Good to know. I've only shot 55 gr stuff, but I was hoping it would run the heavier stuff as well with the standard buffer. correct me if I'm wrong.........but wouldn't the .080-.082 gas port be to ensure that your 10-10.5" carbine runs flawlessly? I'm hearing some of you say that my DD/.080 runs fine with a std weight carbine buffer.........and why wouldn't it? It has to be overgassed with a light buffer and large port. I would think you would want to run the heaviest buffer you can, that still runs without short stroking, etc, to keep from pounding the thing to death.....or do I not understand? Sounds like AR-Ryans logic is what you'd want.........heaviest buffer that runs......not a std weight. Obviously the std weight is going to run with the DD large port. This was my point. Not sure why anyone would be opting to run a lighter buffer. |
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Posted: 3/20/2014 2:40:36 PM EDT
[#27]
Quote HistoryOriginally Posted By cmcflex:
I will be a naysayer until I catch some photographic evidence. Yeah...because Joe (Iceman) is just blowing smoke up our ass... 
Right... |
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Posted: 3/20/2014 2:41:16 PM EDT
[#28]
Quote HistoryOriginally Posted By _Iceman_:
Best advice on the MK18 that I can offer- This thing is a finicky beast. We have built 10's of thousands of them. When I see a problem it usually has to do with extraction issues. Buy a high quality bolt and carrier and make sure you have an O-ring. it is a $.10 fix. Other than that gas port sizes matter somewhat but you can get reliable feeding suppressed and un-suppressed in a wide range. Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" Iceman - I'm sure you're limited as to how much you can tell us about this - but can you confirm or deny that they are/were provided to NSWC-Crane as CQBR components for the SOPMOD M4 - or were they individual unit(s) purchases? Several units/organizations have purchased COTS items for specific operational needs and/or to augment or replace CQBRs and components "ahead of schedule," which is what I considered to be the "variants" in the previous MK 18/CQBR discussion thread - the most "famous" among them being the 140 LMT 10.5" barrel assemblies purchased by NSWC-Crane on behalf of an NSW organization - which are not "technically" SOPMOD M4 CQB uppers or MK 18s - but military purchased and issued components. ~Augee |
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NC, USA
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Posted: 3/20/2014 2:43:46 PM EDT
[#29]
Quote HistoryOriginally Posted By wayfaerer320:
http://i441.photobucket.com/albums/qq136/Bettendorf/DSC01260.jpg?t=1260056694 Is that an Armalite lower??? Please say yes* Please say yes* Because I already have one of those and would not have to buy another lower for my clone build; I'd just sbr my Armalite! |
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Posted: 3/20/2014 2:47:16 PM EDT
[#30]
Quote HistoryOriginally Posted By TheManimal:
Is that an Armalite lower??? Please say yes* Please say yes* Because I already have one of those and would not have to buy another lower for my clone build; I'd just sbr my Armalite! Quote HistoryOriginally Posted By TheManimal:
Originally Posted By wayfaerer320:
http://i441.photobucket.com/albums/qq136/Bettendorf/DSC01260.jpg?t=1260056694 Is that an Armalite lower??? Please say yes* Please say yes* Because I already have one of those and would not have to buy another lower for my clone build; I'd just sbr my Armalite! It's a Colt. |
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TX, USA
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Posted: 3/20/2014 2:48:27 PM EDT
[#31]
Quote HistoryOriginally Posted By TheManimal:
Is that an Armalite lower??? Please say yes* Please say yes* Because I already have one of those and would not have to buy another lower for my clone build; I'd just sbr my Armalite! Quote HistoryOriginally Posted By TheManimal:
Originally Posted By wayfaerer320:
http://i441.photobucket.com/albums/qq136/Bettendorf/DSC01260.jpg?t=1260056694 Is that an Armalite lower??? Please say yes* Please say yes* Because I already have one of those and would not have to buy another lower for my clone build; I'd just sbr my Armalite! Pony is pretty visible. so i'm gonna say no. |
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USA
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Posted: 3/20/2014 2:55:29 PM EDT
[#32]
Quote HistoryOriginally Posted By AR-Ryan21:
Yeah...because Joe (Iceman) is just blowing smoke up our ass...
Right... Quote HistoryOriginally Posted By AR-Ryan21:
Originally Posted By cmcflex:
I will be a naysayer until I catch some photographic evidence. Yeah...because Joe (Iceman) is just blowing smoke up our ass...
Right... We all know your favorite flavor of Kool-Aid, so I will leave you to blow all the smoke my ass can handle (which was shown to be just shy of 500 pages of the last thread).
It's the Internet and their job is to sell products; you can connect the dots as you wish. And I'm not knocking DD,they do have legendary CS. I could give a shit less what people do, so long as they call a spade a spade. Dancing around a spec and making ad hoc claims about how non-spec parts are "mo betta" or work just the same doesn't do anybody any favors. Bottom line: there is a spec. I posted a video of a DD rep pretty much saying that the gas port is not that spec. Thus, I need additional evidence to believe it. One thing is for certain: DD makes the RIS II for the military. That I can believe. |
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Posted: 3/20/2014 3:01:43 PM EDT
[#33]
And we all know your favorite flavor of Kool-Aid.
How's that for calling a spade a spade?
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NC, USA
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Posted: 3/20/2014 3:03:33 PM EDT
[#34]
Quote HistoryOriginally Posted By G_MAN:
Pony is pretty visible. so i'm gonna say no. Quote HistoryOriginally Posted By G_MAN:
Originally Posted By TheManimal:
Originally Posted By wayfaerer320:
http://i441.photobucket.com/albums/qq136/Bettendorf/DSC01260.jpg?t=1260056694 Is that an Armalite lower??? Please say yes* Please say yes* Because I already have one of those and would not have to buy another lower for my clone build; I'd just sbr my Armalite! Pony is pretty visible. so i'm gonna say no. Thanks for clearing that up guys. I see it now...It says a lot about me when I can't tell a pony from a lion. I should probably NOT go on a safari.
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Posted: 3/20/2014 3:09:33 PM EDT
[#35]
Quote HistoryOriginally Posted By TheManimal:
Is that an Armalite lower??? Please say yes* Please say yes* Because I already have one of those and would not have to buy another lower for my clone build; I'd just sbr my Armalite! Quote HistoryOriginally Posted By TheManimal:
Originally Posted By wayfaerer320:
http://i441.photobucket.com/albums/qq136/Bettendorf/DSC01260.jpg?t=1260056694 Is that an Armalite lower??? Please say yes* Please say yes* Because I already have one of those and would not have to buy another lower for my clone build; I'd just sbr my Armalite! You're probably not ever going to get the "correct" Colt RO921HB lower anyways - they're Post-'86 so there are not even transferrable examples, and even if you have an SOT, you still wouldn't be able to just "buy" an RO921HB lower, as they're US Government Property marked - Colt would sell you an RO977 from their commercial/export line. The closest you're going to get "civilian side" would be a transferrable M16A2 lower - prohibitively expensive by both rarity and cost - your closest semi-auto option would be the LE6920SOCOM lower, by virtue of being rollmarked "M4A1" but other than being made by Colt, you could get "closer" with a properly marked 80% lower custom engraved. The point being - while the lower "issue" is often used as an argument about "no one has a real clone anyways..." the general consensus is that as long as you're using a standard pattern forged aluminum lower of any manufacture - particularly given the time and expense of NFA paperwork is generally considered "acceptable." ~Augee |
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FL, USA
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Posted: 3/20/2014 3:16:51 PM EDT
[Last Edit: m3racer]
[#36]
Quote HistoryOriginally Posted By Augee:
You're probably not ever going to get the "correct" Colt RO921HB lower anyways - they're Post-'86 so there are not even transferrable examples, and even if you have an SOT, you still wouldn't be able to just "buy" an RO921HB lower, as they're US Government Property marked - Colt would sell you an RO977 from their commercial/export line. The closest you're going to get "civilian side" would be a transferrable M16A2 lower - prohibitively expensive by both rarity and cost - your closest semi-auto option would be the LE6920SOCOM lower, by virtue of being rollmarked "M4A1" but other than being made by Colt, you could get "closer" with a properly marked 80% lower custom engraved. The point being - while the lower "issue" is often used as an argument about "no one has a real clone anyways..." the general consensus is that as long as you're using a standard pattern forged aluminum lower of any manufacture - particularly given the time and expense of NFA paperwork is generally considered "acceptable." ~Augee Quote HistoryOriginally Posted By Augee:
Originally Posted By TheManimal:
Originally Posted By wayfaerer320:
http://i441.photobucket.com/albums/qq136/Bettendorf/DSC01260.jpg?t=1260056694 Is that an Armalite lower??? Please say yes* Please say yes* Because I already have one of those and would not have to buy another lower for my clone build; I'd just sbr my Armalite! You're probably not ever going to get the "correct" Colt RO921HB lower anyways - they're Post-'86 so there are not even transferrable examples, and even if you have an SOT, you still wouldn't be able to just "buy" an RO921HB lower, as they're US Government Property marked - Colt would sell you an RO977 from their commercial/export line. The closest you're going to get "civilian side" would be a transferrable M16A2 lower - prohibitively expensive by both rarity and cost - your closest semi-auto option would be the LE6920SOCOM lower, by virtue of being rollmarked "M4A1" but other than being made by Colt, you could get "closer" with a properly marked 80% lower custom engraved. The point being - while the lower "issue" is often used as an argument about "no one has a real clone anyways..." the general consensus is that as long as you're using a standard pattern forged aluminum lower of any manufacture - particularly given the time and expense of NFA paperwork is generally considered "acceptable." ~Augee but but but its a clone thread! |
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Posted: 3/20/2014 3:27:07 PM EDT
[#37]
And the "clone-ys" come out to start up in another thread.
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Posted: 3/20/2014 4:09:58 PM EDT
[#38]
Gents-
I was not attempting to spark any debate, just share information. The gas port diameter for any barrels supplied to the gov would be of an appropriate size to function a known ammo. When supplied to the commercial market the gas port size is optimized to support a wide range of ammo types and pressures- this includes in most instances LE customers as well, as often times I have seen them running different ammo day to day. Thoughts? And TurbineGuy- "clone-ys" should be spelled "clonies" in my opinion. |
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Posted: 3/20/2014 4:11:15 PM EDT
[#39]
cmcflex, your rebuttal...
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USA
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Posted: 3/20/2014 4:15:54 PM EDT
[#40]
Quote HistoryOriginally Posted By AR-Ryan21:
cmcflex, your rebuttal... I'm not here to derail the thread with two-way bickering. Take it to IM if you want that. _Iceman_'s post leaves many questions (e.g., Augee's post) unanswered. |
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Posted: 3/20/2014 4:18:12 PM EDT
[#41]
Quote HistoryOriginally Posted By cmcflex:
I'm not here to derail the thread with two-way bickering. Take it to IM if you want that. _Iceman_'s post leaves many questions (e.g., Augee's post) unanswered. Quote HistoryOriginally Posted By cmcflex:
Originally Posted By AR-Ryan21:
cmcflex, your rebuttal... I'm not here to derail the thread with two-way bickering. Take it to IM if you want that. _Iceman_'s post leaves many questions (e.g., Augee's post) unanswered. Yeah, you only want to derail it with ancient TDP bickering. As if no other parts have long been produced that equal, and in more cases, surpass the TDP. You called DD out on this, not me... |
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TN, USA
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Posted: 3/20/2014 4:18:14 PM EDT
[#42]
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Posted: 3/20/2014 4:28:26 PM EDT
[#43]
Quote HistoryOriginally Posted By _Iceman_:
Best advice on the MK18 that I can offer- This thing is a finicky beast. We have built 10's of thousands of them. When I see a problem it usually has to do with extraction issues. Buy a high quality bolt and carrier and make sure you have an O-ring. it is a $.10 fix. Other than that gas port sizes matter somewhat but you can get reliable feeding suppressed and un-suppressed in a wide range. Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" What the difference be between the "as issued" URG's and the one sold to the commercial market? |
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Posted: 3/20/2014 4:45:02 PM EDT
[Last Edit: Augee]
[#44]
Gentlemen - if we could try to avoid the bickering that got the last thread nuked already.
Please use your report buttons, IMs, or the Bear Pit, if necessary. Let's all try to be reasonable and leave old arguments in the old thread. DD barrels and rails (and PR 10.3" upper) on Colt lowers: 
~Augee |
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TX, USA
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Posted: 3/20/2014 5:35:32 PM EDT
[#46]
Quote HistoryOriginally Posted By M4A1:
What the difference be between the "as issued" URG's and the one sold to the commercial market? Quote HistoryOriginally Posted By M4A1:
Originally Posted By _Iceman_:
Best advice on the MK18 that I can offer- This thing is a finicky beast. We have built 10's of thousands of them. When I see a problem it usually has to do with extraction issues. Buy a high quality bolt and carrier and make sure you have an O-ring. it is a $.10 fix. Other than that gas port sizes matter somewhat but you can get reliable feeding suppressed and un-suppressed in a wide range. Oh and one final teaser for you clone builders-(and I am not trying to sell anything, just providing information for the "clonies")- you could buy a DD Barrel or a complete DD MK18 URG and have an actual as issued "correct" clone. These do exist "in the wild" and would be exactly "as issued" What the difference be between the "as issued" URG's and the one sold to the commercial market? From what Iceman said above, it looks like gas port size, wonder if they supply the BCG as well. "The gas port diameter for any barrels supplied to the gov would be of an appropriate size to function a known ammo. When supplied to the commercial market the gas port size is optimized to support a wide range of ammo types and pressures" |
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KS, USA
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Posted: 3/20/2014 5:45:16 PM EDT
[#48]
KAC or Surefire supressor? I can't make up my mind. Back and forth, back and forth. "Get both" is not an option.
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TN, USA
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Posted: 3/20/2014 5:51:16 PM EDT
[#49]
Quote HistoryOriginally Posted By m6z:
KAC or Surefire supressor? I can't make up my mind. Back and forth, back and forth. "Get both" is not an option. Look up some videos on youtube and then pick your poison. I know both are GREAT suppressors. |
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Posted: 3/20/2014 5:56:47 PM EDT
[#50]
Quote HistoryOriginally Posted By m6z:
KAC or Surefire supressor? I can't make up my mind. Back and forth, back and forth. "Get both" is not an option. KAC 
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