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Posted: 5/3/2018 3:04:14 PM EDT
[Last Edit: lancecriminal86]
[#1]
Quote HistoryOriginally Posted By daojag:
Thanks. Decisions, decisions . . . . Quote HistoryOriginally Posted By daojag:
Originally Posted By mrsaturn7085: You are correct but honestly, it's as close as it gets without custom work or a lot of money. There are also differences in the mounting system. In other news, I screwed up the lighting on my final pics of the issued SPR upper before it goes back to KOBK. Hopefully TinyCrumb can help me un-fuck them 
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Posted: 5/4/2018 1:57:56 AM EDT
[#2]
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Posted: 5/4/2018 2:17:48 AM EDT
[#3]
Quote HistoryOriginally Posted By Conner378:
Mk12Mod416 
https://www.AR15.Com/media/mediaFiles/448813/D23D3522-8FC3-48C6-8B44-0B28748601AE-533456.JPG |
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DEU
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Posted: 5/4/2018 5:41:05 AM EDT
[#4]
Not sure if I like...
In other news, I'm still waiting for my paperwork for my Mod 1 to get approved (did I say that german gun laws suck?), the gun itself should be done in the next two weeks or so. ... aaaaand I got an offer for a Mod 0 Upper. Maybe, if it fits the budget.
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Posted: 5/5/2018 9:04:25 AM EDT
[#5]
Quote HistoryOriginally Posted By Conner378:
Mk12Mod416
https://www.AR15.Com/media/mediaFiles/448813/D23D3522-8FC3-48C6-8B44-0B28748601AE-533456.JPG 
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Posted: 5/5/2018 10:04:10 AM EDT
[#6]
Quote HistoryOriginally Posted By Conner378:
Mk12Mod416
https://www.AR15.Com/media/mediaFiles/448813/D23D3522-8FC3-48C6-8B44-0B28748601AE-533456.JPG Now I am going to have to rape my blockII of its PEQ to put on my SPR
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Posted: 5/5/2018 10:57:19 AM EDT
[#7]
For those of you that use RMRs, how does the TRR/TRC stack up against a more traditional 45 degree offset mounts? Looking at the KAC offest one since I figure KAC on KAC for a Mod1 at least cancels out the clone incorrectness a little. My best local range option is 12 lanes @ 25 yds, 24 lanes @ 50 yds, and only 8 lanes @ 100yds (no handguns) so I want an RMR on hand for when the 100yd is full or I want to mix in some handgun.
Not that I don't love irons on dimly lit indoor ranges, but these .mil corrected eyeballs don't last forever. 
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Posted: 5/5/2018 2:21:48 PM EDT
[#8]
Quote HistoryOriginally Posted By daojag:
For those of you that use RMRs, how does the TRR/TRC stack up against a more traditional 45 degree offset mounts? Looking at the KAC offest one since I figure KAC on KAC for a Mod1 at least cancels out the clone incorrectness a little. My best local range option is 12 lanes @ 25 yds, 24 lanes @ 50 yds, and only 8 lanes @ 100yds (no handguns) so I want an RMR on hand for when the 100yd is full or I want to mix in some handgun. Not that I don't love irons on dimly lit indoor ranges, but these .mil corrected eyeballs don't last forever. https://i.imgur.com/Rgf6XoE.jpg?1 |
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Posted: 5/5/2018 2:33:28 PM EDT
[#9]
That's probably 77gr SMK.
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Posted: 5/6/2018 12:38:29 PM EDT
[#10]
Visited Mr. @ECPravette in Texas on my way back from Arizona and he made the magic happened
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NC, USA
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Posted: 5/6/2018 1:05:36 PM EDT
[Last Edit: Eyekahn]
[#11]
Quote HistoryOriginally Posted By MNRidesHonda:
Visited Mr. @ECPravette in Texas on my way back from Arizona and he made the magic happened
https://i.imgur.com/inDU7R2.jpg ...... but needs paint! 
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Posted: 5/6/2018 6:47:27 PM EDT
[#12]
Quote HistoryOriginally Posted By WTFShane:
Looks like it. I think it's custom because different caliber. Quote HistoryOriginally Posted By WTFShane:
Originally Posted By Niquorice:
do you have a shortened version of the collar on there? The barrel started life as a Lilja 18" mid length 6.5 Grendel that I sent to Adco to cut down and reprofile. I have a long collar sitting in a box but I think it's going to a Mod 0. |
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Posted: 5/6/2018 9:15:49 PM EDT
[#13]
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HI, USA
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Posted: 5/6/2018 11:12:54 PM EDT
[#14]
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Posted: 5/6/2018 11:15:17 PM EDT
[Last Edit: BSOG1]
[#15]
work of art freefall
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Posted: 5/7/2018 10:16:07 AM EDT
[#16]
Quote HistoryOriginally Posted By BSOG1:
work of art freefall All the credit goes to Matt at lasar15 |
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CA, USA
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Posted: 5/7/2018 10:23:36 AM EDT
[#17]
Quote HistoryOriginally Posted By FREEFALLE7:
Thanks All the credit goes to Matt at lasar15 Quote HistoryOriginally Posted By FREEFALLE7:
Originally Posted By BSOG1:
work of art freefall All the credit goes to Matt at lasar15 |
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BC, CAN
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Posted: 5/7/2018 11:25:40 AM EDT
[#18]
I completed an A1 lower recently and decided to see what it would look like on my Mk12 build. I guess a clone correct lower should be a Colt, but since Colt A1 lowers aren't easy to come by, I've been using a KAC lower I threw together.
The A1 lower is however, a Norinco and I've been debating whether or not to keep it on this build. Anyway, here it is for now, I may end up swapping it back to the KAC lower, pending what the Clone Gods say, lol! 
With the KAC lower:  
75gr Hornady Steel Match. I managed a .875" group at 100m, but I honestly think this rifle could do better with more magnification. At 100m, it was hard for me to see the target (and I have shit eyes), even with the fine TMR reticle. I might just throw my S&B on there for shits and giggles one of these days and see if I can do better. |
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Posted: 5/7/2018 11:34:07 AM EDT
[#19]
20" HBAR on that?
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BC, CAN
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Posted: 5/7/2018 12:02:29 PM EDT
[#21]
Quote HistoryOriginally Posted By daojag:
20" HBAR on that? I had this Colt HBAR from another build and it shot really well, so I wanted to do something with it and this is what I came up with. I'd considered chopping it down to the right length, but didn't want to take the chance of mucking it up. I'd also considered getting the clone correct barrel, but then I'd be left with a really nice shooting HBAR. I may still cave one day and just do it though. |
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BC, CAN
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Posted: 5/7/2018 12:03:58 PM EDT
[#22]
Quote HistoryOriginally Posted By prskiller:
Looks really good. Definitely keep the A1 lower on it and a A1 buttstock to top it off. My A1 lower doesn't have any rollmarks other than Brownells info  I have an A1 buttstock actually, but it seems a bit short for me, comfort wise. I may have to push the glass forward a bit to use the A1 buttstock. |
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Posted: 5/7/2018 6:58:58 PM EDT
[#23]
Quote HistoryOriginally Posted By SSOUNN:
+1 for Matt.. He did a few lowers for me and came out AWESOME.. but sucks he doesn't do the Colts Rollmark anymore Quote HistoryOriginally Posted By SSOUNN:
Originally Posted By FREEFALLE7:
Originally Posted By BSOG1:
work of art freefall All the credit goes to Matt at lasar15 |
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Posted: 5/8/2018 2:22:34 PM EDT
[#24]
I got a test batch of the federal gold medal match 73gr 223remington ammo and have started testing it
I thought you guys may be interested as I tested in in my MK12 MOD1 you can see the results at the link or if you are lazy see one of the groups below 
I fired a few comparison groups with 77gr federal gold medal. my handloads etc to have something to compare the federal load with bergers to. ferderal gold medal match 73gr berger accuracy testing |
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AL, USA
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Posted: 5/8/2018 5:00:27 PM EDT
[#25]
Speaking of accuracy... Have any of you tried lapping your uppers? I just did my Mod1 yesterday. I shot some groups last week with the upper unlapped and will hopefully be able to get some "after lapping" shot groups here before too long.
You can see the high spots here in this shot. 
And here you can see the finished, flush surface. 
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Posted: 5/8/2018 11:17:53 PM EDT
[#26]
Quote HistoryOriginally Posted By Shawnmt6601:
I got a test batch of the federal gold medal match 73gr 223remington ammo and have started testing it I thought you guys may be interested as I tested in in my MK12 MOD1 you can see the results at the link or if you are lazy see one of the groups below http://looserounds.com/wp-content/uploads/2018/04/2DF4E9E3-D45D-4A8F-ADA5-ED51E020BFF7-e1524434446538-225x300.jpeg I fired a few comparison groups with 77gr federal gold medal. my handloads etc to have something to compare the federal load with bergers to. ferderal gold medal match 73gr berger accuracy testing |
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OR, USA
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Posted: 5/9/2018 3:09:07 AM EDT
[Last Edit: mrsaturn7085]
[#27]
Quote HistoryOriginally Posted By CPDowning:
Speaking of accuracy... Have any of you tried lapping your uppers? I just did my Mod1 yesterday. I shot some groups last week with the upper unlapped and will hopefully be able to get some "after lapping" shot groups here before too long. You can see the high spots here in this shot. https://i.imgur.com/TAZGwZx.jpg And here you can see the finished, flush surface. https://i.imgur.com/FQFW0Km.jpg Uppers lapped were all Colt, and every single one of them lapped in an uneven manner; meaning: as the anodizing came off, it didn't all turn silver at once. I believe the true benefit to lapping the face like this is just to ensure your scopes/sights zero closer to the center position. The other suggestion I can make is to check barrel nut torque before lapping - I prefer having torque at the lowest limit of the valid torque range when the gas tube aligns. If you are already there, I would NOT suggest lapping. If you aren't, this is a perfect way to shave 5-15 ft-lbs of torque off the value you hit when the tube aligns. |
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AL, USA
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Posted: 5/9/2018 11:59:09 AM EDT
[#28]
mrsaturn7085, good info. I don't really expect to see all that much of a change in my groups besides that impact shift. I'll post the results here when I get them in.
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Posted: 5/9/2018 12:34:06 PM EDT
[#29]
Quote HistoryOriginally Posted By mrsaturn7085: I lap all my uppers and have done before/after comparisons on my own in the past. If you have the tools, do it. If you don't, just know it never made a lick of difference for me on Colt, Krieger, Douglas, or Daniel Defense barrels in terms of PRECISION. A before/after accuracy change always took place, but that's because your barrel is pointing in a new direction after lapping. Uppers lapped were all Colt, and every single one of them lapped in an uneven manner; meaning: as the anodizing came off, it didn't all turn silver at once. I believe the true benefit to lapping the face like this is just to ensure your scopes/sights zero closer to the center position. The other suggestion I can make is to check barrel nut torque before lapping - I prefer having torque at the lowest limit of the valid torque range when the gas tube aligns. If you are already there, I would NOT suggest lapping. If you aren't, this is a perfect way to shave 5-15 ft-lbs of torque off the value you hit when the tube aligns. |
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KS, USA
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Posted: 5/9/2018 4:35:18 PM EDT
[#30]
Quote HistoryOriginally Posted By RTUtah:
Good intel, bro. |
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OR, USA
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Posted: 5/9/2018 6:06:22 PM EDT
[Last Edit: mrsaturn7085]
[#31]
Quote HistoryOriginally Posted By TahoeLT: Indeed! I've always wondered if lapping made a difference and whether it's worth buying the tools. The vibe I'm getting is "not unless you have nothing else you'd rather spend the money on" :) The other 'match shooting secret' thing I've tested is retaining compound on the barrel extension rather than grease. While it does not unitize the barrel/upper, it does require heat (lots) to remove. Heating a match barrel with a torch is not something I would recommend unless it's shot-out. I never noticed a benefit so I don't do this (retaining compound application) anymore. |
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Posted: 5/9/2018 6:46:46 PM EDT
[#32]
When did the 2.8-8x36 MR/T become TS30?
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NC, USA
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Posted: 5/9/2018 9:03:36 PM EDT
[#33]
So i figured my og upper is a little too long and not practical enough, So I cut just a little over an inch off the barrel, and now to re-thread. It's gonna be good.
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Posted: 5/9/2018 9:26:12 PM EDT
[Last Edit: TGWLDR]
[#34]
AU teaser:
Link |
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Posted: 5/9/2018 9:38:47 PM EDT
[#35]
Quote HistoryOriginally Posted By ShaneWang:
So i figured my og upper is a little too long and not practical enough, So I cut just a little over an inch off the barrel, and now to re-thread. It's gonna be good. https://i.imgur.com/SMBfHPV.jpg
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Posted: 5/9/2018 9:42:01 PM EDT
[#36]
1/9????? What is this, Russia?
Seriously though, that's a pretty vague description.
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Posted: 5/9/2018 9:51:03 PM EDT
[#37]
Quote HistoryOriginally Posted By daojag:
1/9????? What is this, Russia? Seriously though, that's a pretty vague description.
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Posted: 5/9/2018 11:04:46 PM EDT
[Last Edit: lancecriminal86]
[#38]
Quote HistoryOriginally Posted By stoner63a:
When did the 2.8-8x36 MR/T become TS30? Backwards. TS30 existed before the 3-9 MR/T was even shown in the Leupold catalog aparently. TS30 showed up maybe 2002? on some of the earlier Mk12 Mod 1s. No illum reticle, boxy elevation/windage housing. TS30A2 showed up before/during Iraq invasion, as it was selected as optic for Mod 1. Also seen on OG SPR/Mod 0 and later Mod 0s. Had M3 turrets, Illum Mildot reticle. Still 3-9 Marked. TMR and M2 turrets show up in like 2006 as does the 3-9 to 2.5-8 description change. Both the 3-9 MR/T M3 and 2.5-8 M2 were on the books that year. 2010 or 2012 TS30A2 aka 112633 shows up finally in Leupold's LE/Mil catalog. I believe @Tamboi was our guy running the Leupold stuff down |
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Posted: 5/9/2018 11:18:18 PM EDT
[#39]
67920 Mk4 MR/T 2.5-8x36 M2 Illum Mil Dot Date of Mfg 11/01/05 20:39?
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Posted: 5/9/2018 11:22:53 PM EDT
[#40]
Quote HistoryOriginally Posted By stoner63a:
67920 Mk4 MR/T 2.5-8x36 M2 Illum Mil Dot Date of Mfg 11/01/05 20:39? You think that's nuts, it was ridiculous trying to chase down when Leupold had the 12 o'clock illumination turrets and then the offset ones on the 2000 and 2001 Vari-X III from the early SPRs. Even Leupold didn't have anything helpful. Do you have the serial number with date prefix/suffix letter? |
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Posted: 5/10/2018 2:06:11 AM EDT
[#41]
Quote HistoryOriginally Posted By lancecriminal86:
I think @Tamboi and I concluded that there was definitely some bleed-over and other changes between catalog years, so a 2005 M2/2.5-8 isn't insane since that's laaaate 2005. You think that's nuts, it was ridiculous trying to chase down when Leupold had the 12 o'clock illumination turrets and then the offset ones on the 2000 and 2001 Vari-X III from the early SPRs. Even Leupold didn't have anything helpful. Do you have the serial number with date prefix/suffix letter? Quote HistoryOriginally Posted By lancecriminal86:
Originally Posted By stoner63a:
67920 Mk4 MR/T 2.5-8x36 M2 Illum Mil Dot Date of Mfg 11/01/05 20:39? You think that's nuts, it was ridiculous trying to chase down when Leupold had the 12 o'clock illumination turrets and then the offset ones on the 2000 and 2001 Vari-X III from the early SPRs. Even Leupold didn't have anything helpful. Do you have the serial number with date prefix/suffix letter? |
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Posted: 5/10/2018 2:11:59 AM EDT
[#42]
Quote HistoryOriginally Posted By ShaneWang:
So i figured my og upper is a little too long and not practical enough, So I cut just a little over an inch off the barrel, and now to re-thread. It's gonna be good. https://i.imgur.com/SMBfHPV.jpg
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Posted: 5/10/2018 2:15:18 AM EDT
[#43]
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Posted: 5/10/2018 2:27:09 AM EDT
[Last Edit: MILSPEC556]
[#44]
Quote HistoryOriginally Posted By SecretSquirell:
 Quote HistoryNothing Mk12 about it, and its apparently about half a URG
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Posted: 5/10/2018 2:30:57 AM EDT
[#45]
Quote HistoryOriginally Posted By MILSPEC556:
Holy fuck. Did u read the comments in that thread? Fucking AU strikes again. Nothing Mk12 about it, and its apparently about half a URG Quote HistoryOriginally Posted By MILSPEC556:
Nothing Mk12 about it, and its apparently about half a URG The receiver and BCG are the only parts that could be used for a clone.
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Posted: 5/10/2018 2:34:33 AM EDT
[#46]
Quote HistoryOriginally Posted By SecretSquirell:
I sooooooooooooooooo wanted to say something, but I hate drama. The receiver and BCG are the only parts that could be used for a clone. Quote HistoryOriginally Posted By SecretSquirell:
Originally Posted By MILSPEC556:
Nothing Mk12 about it, and its apparently about half a URG The receiver and BCG are the only parts that could be used for a clone.
Hurr durr! Man that guy sucks. |
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Posted: 5/10/2018 2:48:18 AM EDT
[#47]
Picked up another mark 4 today so the ModH is now complete, gonna sight it in tomorrow hopefully. My Ts30 from leupold should be delivered on friday (didn't plan on getting 3 but good deals came up) so the next project is either a Mk12 Mod 0 or an HKm38.
 Attached File Attached File Attached File |
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Posted: 5/10/2018 2:50:00 AM EDT
[#48]
Quote HistorySo $999 for a colt upper with and 18 inch barrel, gas block, and Bcg. LOL I'm good
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Posted: 5/10/2018 2:59:52 AM EDT
[#49]
Quote HistoryOriginally Posted By MILSPEC556:
I'm in the same exact spot lol. "1/9 is absolutely correct for the Mk12"
Hurr durr! Man that guy sucks. Quote HistoryOriginally Posted By MILSPEC556:
Originally Posted By SecretSquirell:
Originally Posted By MILSPEC556:
Nothing Mk12 about it, and its apparently about half a URG The receiver and BCG are the only parts that could be used for a clone.
Hurr durr! Man that guy sucks. |
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Posted: 5/10/2018 7:38:56 AM EDT
[#50]
Quote HistoryWhat a joke. At least DD sells people a complete rifle. I'm so sick of companies piggybacking off the popularity of these rifles and the history behind them.
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