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ID, USA
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Posted: 4/11/2018 11:49:54 AM EST
[#1]
Here a are a few more for you to add.
These are from my spreadsheet of my under 4lb carbine that I've been buidling. Faxon Gunner 5.56 1:7 twist 0.625 14.5" with pinned 3 prong flash hider 21.7 ozs (wanted the pencil barrel for that but it was out of stock and it weighs under 20 ozs.) Aim Surplus lightweight BCG 8.9 ozs (Note: the Faxon low mass light BCG is 8.5 ozs) Hera Arms pistol grip 2.2 ozs Timber Creek light aluminum takedown pins - 0.2 ozs (they aren't real expensive either - about 10 bucks) Axelson carbon fiber fixed closed stock 4.51 ozs (manufacturer spec - still waiting for it to get here) Note for LPK parts. Milspec lower parts kit trigger with pins and springs is 2.4 ozs. Elftmann SE 3.5lb drop in trigger is 2.3 ozs Rise Armament 3.5 lb 434 trigger is 2.4 ozs. Strike Industries Ultimate Dust cover 0.3 ozs All the weights except the stock and Faxon BCG I've weighed myself. |
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NV, USA
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Posted: 4/12/2018 12:44:18 PM EST
[Last Edit: breastroker]
[#2]
I am getting into longer range shooting with the 22 Nosler and 224 Valkyrie. Plus getting bored waiting for improvements in weight reduction. Guess if someone beat my 2.7 pound 556 I would get busy again. Need a titanium cam pin and Faxon should be using a titanium barrel extension.
Anyways I am up for selling my Faxon 556 pencil barrel @ 16 inches and also my Fostech mag/alum upper that is lapped and fitted with FA plugged. Also either a 2A gas block 0.625 titanium or the ultimate BAD 0.625 @ 0.4 ounces This forum thread only, so PM me. I want $140 for the lapped receiver with Schuster FA plug, $60 for the BAD 0.625 ultra light Ti gas block, and $150 for the Faxon ultralight 16 inch barrel. I only want to sell them together as my costs for shipping get high for me. Anyone know the weight of an AR15 barrel extension? My guess is a couple of ounces, so at least an ounce reduction in barrel weight |
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NV, USA
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Posted: 4/12/2018 1:02:21 PM EST
[#3]
Titanium Barrel Extensions... there's an idea.
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Posted: 4/12/2018 2:49:59 PM EST
[#4]
Thanks WHSmith, several of those items were not in the PWD, but they are now!
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OR, USA
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Posted: 4/13/2018 12:55:33 PM EST
[#5]
Quote HistoryOriginally Posted By breastroker:
Anyways I am up for selling my Faxon 556 pencil barrel @ 16 inches and also my Fostech mag/alum upper that is lapped and fitted with FA plugged. Also either a 2A gas block 0.625 titanium or the ultimate BAD 0.625 @ 0.4 ounces This forum thread only, so PM me. |
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IL, USA
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Posted: 4/14/2018 9:53:32 PM EST
[#6]
Do you have a pic of the 2.7 lb at on a scale?
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IL, USA
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Posted: 4/14/2018 9:55:13 PM EST
[#7]
Do you have a pic of the 2.7 lb rifle on a scale?
Quote HistoryOriginally Posted By breastroker:
I am getting into longer range shooting with the 22 Nosler and 224 Valkyrie. Plus getting bored waiting for improvements in weight reduction. Guess if someone beat my 2.7 pound 556 I would get busy again. Need a titanium cam pin and Faxon should be using a titanium barrel extension. Anyways I am up for selling my Faxon 556 pencil barrel @ 16 inches and also my Fostech mag/alum upper that is lapped and fitted with FA plugged. Also either a 2A gas block 0.625 titanium or the ultimate BAD 0.625 @ 0.4 ounces This forum thread only, so PM me. I want $140 for the lapped receiver with Schuster FA plug, $60 for the BAD 0.625 ultra light Ti gas block, and $150 for the Faxon ultralight 16 inch barrel. I only want to sell them together as my costs for shipping get high for me. Anyone know the weight of an AR15 barrel extension? My guess is a couple of ounces, so at least an ounce reduction in barrel weight |
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TX, USA
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Posted: 4/16/2018 7:33:34 AM EST
[#8]
Quote HistoryOriginally Posted By castlebravo84:
The barrel is a 16" Faxon gunner profile. Faxon is well known for making thin profile barrels that hold POA/POI under rapid fire, so I do not suspect a problem there. I'm not confident that the mag upper is the problem yet, I just wanted to get some other data points if possible before I risk damaging the part while trying to un-glue the barrel from it. I re-torqued the barrel nut one "gas tube notch" looser (it was on pretty dang tight), and I remounted the gas block while paying particular attention to the fitment of the gas tube into the bolt carrier gas key. Hopefully, one of those adjustments will pay off. Quote HistoryOriginally Posted By castlebravo84:
Originally Posted By pscot468: Well that certainly seems like an interesting problem. You never know, it could be the heat effecting the poi like on a cheap ak. Armed with this Intel, I don't think I'll be using the magnesium uppers on any rifles. It seems to work fine on my 6.5 in pistol though, even when simulating full auto with the echo trigger. What profile is the barrel? I re-torqued the barrel nut one "gas tube notch" looser (it was on pretty dang tight), and I remounted the gas block while paying particular attention to the fitment of the gas tube into the bolt carrier gas key. Hopefully, one of those adjustments will pay off. Also, I think my CAV-15 lower was causing bolt over base FTF malfunctions in this Grendel build. An inserted magazine is pretty loose in the mag well, and if I lightly pull on the mag while charging the weapon from the right-hand magazine feed lip, I can get it to jam nearly 100% of the time. I put the upper on a forged lower and the problem no longer occurs when manually cycling it, but I'll have to take it back to the range to test it fully. I'm thinking about doing a magnesium lower for this rifle now, but I don't know what stock to use. I want to keep it reasonably light, but I also want a stock that will ride a rear squeeze bag. It looks like all the lightweight stocks will suck compared to the CAV-15 when trying to shoot long range. |
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Posted: 4/16/2018 11:29:01 AM EST
[#9]
well, as someone that is about to use a Fostec upper for a new build, that's good to hear!
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IN, USA
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Posted: 4/16/2018 10:10:09 PM EST
[#10]
Quote HistoryOriginally Posted By jekbrown:
well, as someone that is about to use a Fostec upper for a new build, that's good to hear! |
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Posted: 4/17/2018 1:53:14 AM EST
[#11]
Yeah, that's just weird. Maybe they are nothing more than the remaining stock of magtac uppers that fostec had someone finish and slap their name on the side and the allegedly improved manufacturing process version has yet to see the light of day? If that was the case, though, why try to deny the existence of them? Very strange. Was there a change of ownership at fostec at some point?
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Posted: 4/17/2018 2:44:45 AM EST
[#12]
Quote HistoryOriginally Posted By SOCOM76:
Titanium Barrel Extensions... there's an idea. |
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WI, USA
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Posted: 4/17/2018 11:32:45 AM EST
[Last Edit: j_cobbers]
[#13]
castlebravo84
Have you looked at the Rogers Super Stock? It's pretty light weight for an adjustable stock and angled on the bottom so you could get a bag under it. |
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IN, USA
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Posted: 4/17/2018 7:20:39 PM EST
[#14]
Quote HistoryOriginally Posted By jekbrown:
Yeah, that's just weird. Maybe they are nothing more than the remaining stock of magtac uppers that fostec had someone finish and slap their name on the side and the allegedly improved manufacturing process version has yet to see the light of day? If that was the case, though, why try to deny the existence of them? Very strange. Was there a change of ownership at fostec at some point? |
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Posted: 4/17/2018 9:29:32 PM EST
[#15]
well, the one I have from Optics Planet is 4.50 oz...if they have a lighter-yet version coming soon, I'd be interested...but it doesn't sound like they can get out of their own way on this issue.
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IN, USA
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Posted: 4/18/2018 7:45:15 PM EST
[#16]
I don’t think they will be any lighter. Forgot to take my scale
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Posted: 4/18/2018 7:56:57 PM EST
[#17]
Yeah, once I get my mill in going to remove the brass deflector, port door tabs and a "canyon" down the middle of the pic rail up top. Should be pretty damn light.
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WI, USA
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Posted: 4/19/2018 12:16:30 PM EST
[#18]
I know Windham Weaponry has their Carbon Fiber SCR (sight ready carbine) that they sell, but not as a receiver set. So ever since I found out about it I've been curious how much their receivers and the set weighs on their own, so I figured a little math can tell us what that might be.
Their standard SCR comes in at 6.30 lbs and the Carbon fiber model linked above is 5.85. Looking at the parts lists, the only difference is their receiver material. The CF model comes in at .45lbs lighter than the forged 7075 T6 Aircraft Aluminum with Aluminum Trigger Guard standard set, that translates to 7.2 oz lighter. Unfortunately Windham does not list individual component parts, but they are basically milspec as far as I can tell. Using the parts weight database a milspec upper comes in at 7.015 oz and milspec lowers vary but 8.6 oz is a pretty standard number. So a total milspec weight should be 15.615 oz, with 44.92% going to the upper and 55.08% to the lower. Assuming the same weight ratios would apply to Windham's carbon fiber receivers (hard to say as they have different dimensions for strength purposes so this is pure conjecture), the total weight should be 8.415 for the set and 3.780018 oz for the upper, and 4.6349 oz for the lower. I think however it is more likely a 50-50 ratio as the upper is more reinforced, so it could be around 4.2075 each. Long story short though, at roughly 8.415 oz that still puts it on the very light end for a receiver set, thought the Fosteck/Tegra combo, even with higher user data, comes in at just 8.2 oz, and depending on their actual weights, one or the other may be the actual lightest receiver of that type. I guess we won't know until someone buys a CF SRC and strips it down all the way, any volunteers with money to burn?? |
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Posted: 4/19/2018 3:13:11 PM EST
[#19]
They use a different bbl nut and have some dimensional differences, so you have to use WAs CF stuff as an upper/lower set--allegedly. For apples/apples comp, I did email WA to ask for specific weight data for each receiver. We'll see what they have to say...
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Posted: 4/19/2018 3:25:06 PM EST
[#20]
Well, that was fast. email response quoted below...
Hi,
Carbon fiber upper 3.76 oz carbon fiber lower 4.08 oz We don't sell them separately . its proprietary fit and bbl nut pattern. Customer Service |
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WI, USA
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Posted: 4/19/2018 4:27:45 PM EST
[Last Edit: j_cobbers]
[#21]
Quote HistoryOriginally Posted By jekbrown:
Well, that was fast. email response quoted below... Pretty dang light. The bbl nut could make using an ultra light handguard a challenge though... BA CF pistol grip |
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Posted: 4/19/2018 4:55:00 PM EST
[#22]
I saw mention of this CF grip from SHOT IIRC. It's pretty cool, and I like Brigand, but it is very difficult to beat the 1.5oz Hogue grip at $16. Throw in some mods and it can be both hella light AND hella cheap...which is a rare thing indeed in the ultralight game!
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Posted: 4/20/2018 9:19:07 AM EST
[#23]
It seems somewhat permissible to occasionally sell LW stuff to the like minds in this thread. If not ok, I totally get it and will remove.
No longer need my 2A LW BCG (2A-LWBCG-S). Has been used, but is in perfect working order. $250 shipped. PM me if interested. |
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SC, USA
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Posted: 4/20/2018 11:01:40 AM EST
[Last Edit: pscot468]
[#24]
Quote HistoryOriginally Posted By castlebravo84: My accuracy problem went away after reassembly, so the magnesium upper wasn't the culprit. Also, I think my CAV-15 lower was causing bolt over base FTF malfunctions in this Grendel build. An inserted magazine is pretty loose in the mag well, and if I lightly pull on the mag while charging the weapon from the right-hand magazine feed lip, I can get it to jam nearly 100% of the time. I put the upper on a forged lower and the problem no longer occurs when manually cycling it, but I'll have to take it back to the range to test it fully. I'm thinking about doing a magnesium lower for this rifle now, but I don't know what stock to use. I want to keep it reasonably light, but I also want a stock that will ride a rear squeeze bag. It looks like all the lightweight stocks will suck compared to the CAV-15 when trying to shoot long range. |
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IN, USA
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Posted: 4/23/2018 7:13:26 AM EST
[#25]
Anyone have the match Faxon pencil 14.5. Is it worth the extra $?
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Posted: 4/23/2018 8:05:27 AM EST
[#26]
Quote HistoryOriginally Posted By vwfred69:
Anyone have the match Faxon pencil 14.5. Is it worth the extra $? |
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IN, USA
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Posted: 4/23/2018 6:20:39 PM EST
[#27]
And it just went on sale so $20
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IN, USA
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Posted: 4/23/2018 7:05:40 PM EST
[#28]
Just got it for $198
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IN, USA
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Posted: 4/24/2018 8:31:45 PM EST
[Last Edit: vwfred69]
[#29]
Looking at uppers. Bootleg,anderson sport,aero sport,Balios? Anderson definitely wins on price but do any of the others stand out?
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Posted: 4/25/2018 1:43:06 AM EST
[#30]
If price is a concern, and you want a metal upper, a Spikes M4 no provision upper is a solid choice. PSA slick side works too. These are some of the lightest non-exotic (polymer, carbon fiber, weird alloys) uppers you can get and they are a lot cheaper than some of the others on the lighter end of things.
Maybe a dumb question, but are you using the PWD to help pick parts? Link in sig, if not!
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IN, USA
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Posted: 4/25/2018 12:06:41 PM EST
[#31]
Never thought about full slick side. May try spikes
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OR, USA
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Posted: 4/25/2018 5:44:34 PM EST
[#32]
Quote HistoryOriginally Posted By vwfred69:
Never thought about full slick side. May try spikes |
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Posted: 4/25/2018 10:34:07 PM EST
[#33]
Aero Precision no F/A is the king in the value realm of LW uppers. You can certainly get lighter, but not for the money.
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SC, USA
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Posted: 4/25/2018 10:37:50 PM EST
[#34]
I have a balios lite gen 1 upper on my "duty" 5.56. hbar fn chrome lined barrel, mag tactical lower, iron City black diamond lightweight bolt carrier group. Nice setup, it's great fun with the echo trigger!!! And it's less than 7 lbs with a hbar barrel.
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Posted: 4/25/2018 11:01:19 PM EST
[#35]
Quote HistoryOriginally Posted By hfrog355:
Aero Precision no F/A is the king in the value realm of LW uppers. You can certainly get lighter, but not for the money. |
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USA
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Posted: 4/26/2018 11:36:07 PM EST
[Last Edit: asorel]
[#36]
Nevermind, I can't read. Jekbrown has it on his signature. Originally Posted By jekbrown: Spikes no provision is the same price at the aero...and lighter. |
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Posted: 4/27/2018 8:32:58 AM EST
[#37]
Quote HistoryOriginally Posted By jekbrown: Spikes no provision is the same price at the aero...and lighter. I have an aversion to Spikes gear. I don't know why. For some reason the brand just comes off as chintzy. |
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IN, USA
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Posted: 4/27/2018 4:03:40 PM EST
[#38]
Ordered the faxon match 14.5 pencil with gas block. Took the gas block off. Barrel weights 17.455oz and the and the gas block weighed 1.165oz
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NV, USA
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Posted: 4/27/2018 11:18:51 PM EST
[#39]
Got my 20 inch Faxon 224 Valkyrie barrel, loved it @ 31.4 ounces. From the 0.625 inch gas block to the 1/2" muzzle threads the front is slim! Fist time I shot it didn't seem to string the shots. Used my ultra light BAD titanium gas block, a Young national lightweight carrier with RCA adjustable key. Used a Blue anodized 15 inch hand guard and will be getting a Blue CH sometime (ordered from Optics Planet 3/20/18)
Upper weighs 60.9 ounces although I could easily cut 10-12 ounces off if I wanted to. Really like this upper, my new favorite build of all time. |
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USA
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Posted: 4/28/2018 1:53:08 AM EST
[#40]
Does anyone know of any durability tests made on lightweight items, specifically the stock from Smokes Composites? Obviously I wouldn't expect it to recover from a drive-over test, but I am curious if it would stand up to basic "field" abuse: Doing push-ups on the stock, mortaring the gun to clear a malfunction, etc. Any insight on this would be appreciated.
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IN, USA
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Posted: 4/28/2018 8:05:49 AM EST
[#41]
Quote HistoryOriginally Posted By asorel:
Does anyone know of any durability tests made on lightweight items, specifically the stock from Smokes Composites? Obviously I wouldn't expect it to recover from a drive-over test, but I am curious if it would stand up to basic "field" abuse: Doing push-ups on the stock, mortaring the gun to clear a malfunction, etc. Any insight on this would be appreciated. |
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USA
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Posted: 4/29/2018 1:15:33 PM EST
[Last Edit: asorel]
[#42]
Originally Posted By vwfred69:
Everyone says smokes is durable. I have two closed shoulder because I’m paranoid of catching it and breaking it but no one I have asked has mortared. They do feel durable https://firearmsradio.tv/gun-and-gear-review-podcast/gun-gear-review-podcast-183-smoke-composites-carbon-fiber-handguard-stock-magpul-hunter-ruger-american-enhanced-glock-mag-well-enhanced-ar-magazine-release |
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Posted: 4/29/2018 1:41:49 PM EST
[#43]
Never abused one, but I'd imagine that CF would be better than AL when it comes to certain kinds of impact that might crack AL but just temporarily bend CF.
The AR stock design isn't exactly built like a tank, in any case. I remember some site did a whole bunch of drop testing on collapsing AR stocks and pretty much everything but the Magpul UBR broke in the test...some just took more drops than others. Plenty of people run such stocks on their "go to" SHTF / fighting rifle. Being fixed and CF, I would imagine that in many ways it's more durable than the collapsing style AR stocks out there. |
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AUT
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Posted: 4/30/2018 2:37:13 AM EST
[#44]
Scalarworks LEAP/MICRO mount for T1/T2 compatible red dot sights.
Absolute co-witness w/o screws: 
with screws: 
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SC, USA
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Posted: 5/6/2018 9:05:16 AM EST
[#45]
Quote HistoryOriginally Posted By martin_q:
Scalarworks LEAP/MICRO mount for T1/T2 compatible red dot sights. Absolute co-witness w/o screws: http://666kb.com/i/dt35r5b3dy0blo8hh.jpg with screws: http://666kb.com/i/dt35rrjjfe9dih9th.jpg |
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AUT
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Posted: 5/6/2018 3:33:28 PM EST
[#46]
Quote HistoryOriginally Posted By pscot468:
That's a very nice, lightweight mount. It's the strongest mount you can buy too. I have the same one, the Fortis is a little lighter but not nearly as tough. |
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USA
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Posted: 5/8/2018 1:02:56 AM EST
[#47]
Just wanted to let you know, it seems like the Lancer AWM magazines are listed twice in the database, once at 3.85 oz and once at 4.40 oz. The latter is likely the correct one, as the manufacturer's website (https://lancer-systems.com/awc/product/l5awm/?attribute_pa_rounds=30&attribute_color-options=Smoke) lists the official weight at 4.48 oz. Also, I think it would be helpful to have a column for magazine capacity on the appropriate page. I know that the information is near always in the description, but it's useful to have those values tabulated so that users could automatically filter them.
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MD, USA
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Posted: 5/9/2018 10:21:19 AM EST
[Last Edit: VeryTraumatic]
[#48]
Would this work as a grip screw?
From eBay |
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NV, USA
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Posted: 5/9/2018 1:03:55 PM EST
[#49]
Whoa, overpriced and huge shipping costs. You can do better
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MD, USA
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Posted: 5/9/2018 1:50:12 PM EST
[#50]
Comes with 5 though.
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