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Mk 18 / CQBR (Page 1605 of 1609)
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Originally Posted By Lancewood: Are the LMTs strictly the gen 1 or are the gen 2 with the QD sockets acceptable? Also, are black RC2s technically 'clone correct' or are they all FDE? The contract stock was the gen 1 LMT until b5 got the contract, somewhere around ‘10/11 but I could be wrong in the year. Reality is it depends on what branch you’re cloning, as anything and everything has been seen, with usasoc appearing to have the most variety, and NSW most commonly has the lmt/b5 The FDE RC(1) is the contract suppressor, but most folks stick with the RC2 due to cost. |
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Originally Posted By krdt: The SFMB is what you want, and will fit anything from an RC to RC4. It's not correct, but you're right to be concerned; a 3P/4P will erode the shit out of your blast baffle. Any pronged muzzle device will, it's like a cutting torch, concentrating the blast into narrow channels. There were people who assured me back when I first got my RC, "Oh, don't worry about it, the 4P won't make a big difference." Wrong. I had only the thinnest bit of blast baffle left in the prong erosion channels at 15k. At that point, I finally decided, clone or not, I'm swapping to a brake. Meanwhile, another 10k with the SFMB and very little changed. It's getting rebuilt by SF as we speak -- won't be making that mistake again, lol. If you're going to be shooting high-volume suppressed, the SFMB is absolutely worth it to maximize longevity. Curious about the price SF charged? When I reached out to them in 22/23 they said they weren’t supporting legacy suppressors including the RC, as they were considered wear items. If they are rebuilding then again I’d like to send my second one in before they stop working on them again |
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Originally Posted By ChemTrailZ: Curious about the price SF charged? When I reached out to them in 22/23 they said they weren’t supporting legacy suppressors including the RC, as they were considered wear items. If they are rebuilding then again I’d like to send my second one in before they stop working on them again I'm still waiting to find out the final price. At one time, it was $321, but that was 5-6 years ago. The most recent quote I can find for a full re-core was $498 from a couple of years ago. They won't give you a firm number until they 'inspect' it, and that basically doesn't happen until they get to your item in the RMA queue. I suspect it'll be in the $500-$600 range, but I should be finding out for sure within the next few weeks. ETA: Did you ask specifically about the RC or just legacy SF cans in general? I gather they ran out of parts for the 212 a few years ago and no longer rebuild them. I made a point to get clear confirmation that they knew it was an original RC and that they could indeed service it. He checked the serial and said go ahead and send it in. |
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
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Originally Posted By Combat_Diver: 1000xxxx/1400xxxx but not always the case as here is a 1000xxxx with a 14 imposed and reissued as 141000xxxx. I've seen 140026xx so normally 8 digits. https://www.ar15.com/media/mediaFiles/32677/IMG_4854_JPG-3766545.JPG @Combat_Diver follow-up on this photo, I’ve picked some of the surplus no logo cqd mounts in the past, but they were always salty. In photos they appear to be zinc phosphate as opposed to the blued/black oxide coating the commercial and logo versions they have. Do you know if the contracted no logo mounts were parked/phosphates or were these just refurbed at one point? |
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Originally Posted By krdt: I'm still waiting to find out the final price. At one time, it was $321, but that was 5-6 years ago. The most recent quote I can find for a full re-core was $498 from a couple of years ago. They won't give you a firm number until they 'inspect' it, and that basically doesn't happen until they get to your item in the RMA queue. I suspect it'll be in the $500-$600 range, but I should be finding out for sure within the next few weeks. ETA: Did you ask specifically about the RC or just legacy SF cans in general? I gather they ran out of parts for the 212 a few years ago and no longer rebuild them. I made a point to get clear confirmation that they knew it was an original RC and that they could indeed service it. He checked the serial and said go ahead and send it in. If you don’t mind, once you have a final price can you post it? Just so I have an idea of what I’m in for. Thanks |
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Originally Posted By bluedog82: https://www.ar15.com/media/mediaFiles/499242/IMG_1347_jpeg-3768099.JPG @Combat_Diver or anyone else ever see one of these? GG&G rail for a MARSOC contract. I posted about it in the Marine Recon thread but very little activity over there. Sorry I have not |
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
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Originally Posted By ChemTrailZ: @Combat_Diver follow-up on this photo, I’ve picked some of the surplus no logo cqd mounts in the past, but they were always salty. In photos they appear to be zinc phosphate as opposed to the blued/black oxide coating the commercial and logo versions they have. Do you know if the contracted no logo mounts were parked/phosphates or were these just refurbed at one point? Those coming out as complete uppers from Crane were all new uppers. Groups rebuilt most of theirs form guns already in service |
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
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Originally Posted By Combat_Diver: Sorry I have not Most of these were with EOTech 552/554 models. 554 was issued to 10th Mountain and a few other units supposedly better for Afghanistan but I digress. They got it to where the comp m2 (m68) was at. Also 7STS had some of those and we deployed with them when we had EOTech because that is what I ran on my M4. |
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Attached File |
The artist formerly known as Blanco_Diablo
What shall we then say to these things? If God be for us, who can be against us? - Romans 8:31
What shall we then say to these things? If God be for us, who can be against us? - Romans 8:31
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Originally Posted By ChemTrailZ: The contract stock was the gen 1 LMT until b5 got the contract, somewhere around ‘10/11 but I could be wrong in the year. Reality is it depends on what branch you’re cloning, as anything and everything has been seen, with usasoc appearing to have the most variety, and NSW most commonly has the lmt/b5 The FDE RC(1) is the contract suppressor, but most folks stick with the RC2 due to cost. Got it, thank you for answering. |
WTB SR-25 ACC 16" Upper
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| What is the story on the MK18/CQBR BCG upgrades mentioned in Jeff Gurwitch's video? He states they used an O-ring extractor, stronger ejector and McFarland one piece gas rings. Are the gas rings still used and are the other upgrades not standard on Colt and other BCGs? |
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Originally Posted By medieval_flail: What is the story on the MK18/CQBR BCG upgrades mentioned in Jeff Gurwitch's video? He states they used an O-ring extractor, stronger ejector and McFarland one piece gas rings. Are the gas rings still used and are the other upgrades not standard on Colt and other BCGs? No, current extractor spring and insert is GTG |
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
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Originally Posted By Combat_Diver: No, current extractor spring and insert is GTG Originally Posted By Combat_Diver: Originally Posted By medieval_flail: What is the story on the MK18/CQBR BCG upgrades mentioned in Jeff Gurwitch's video? He states they used an O-ring extractor, stronger ejector and McFarland one piece gas rings. Are the gas rings still used and are the other upgrades not standard on Colt and other BCGs? No, current extractor spring and insert is GTG Colt Extractor Spring Assembly #SP64026 
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| Nice Mk18 builders kit listed in EE |
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Went to Tucson yesterday, and had a nearly brand-new Surefire RC follow me home :D. Maybe the equivalent of 200rds or less of short-barreled use on it. The seller estimated more rounds, but if so, it was as gentle as a Millennial parent. Definitely not much, if any, rapid fire on a shorty. Compared to the baffle on my old RC at 700rds, this thing looks barely touched. Didn't really need another since mine is being rebuilt, but it was too good a deal to pass up. My original RC at 700:  "New" RC:  The fit is also ridiculously tight after being used to my old one; I haven't had a bearing surface that wasn't eroded to shit in a long time, heh. |
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
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Originally Posted By jjz3: Hey lookimg for some help! Someone has an upper marked CQBR-0-MK18. I haven't seen one like this. Any one know if this is legit? Claimed to be a surplus mod 0 upper I have not but Crane did some weird experimentation with the numbering system |
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
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Originally Posted By Trunks: I just had a local business do mine, showed them the font type, specs/size, depth, and approximate location. If you want it done by someone who is used to doing them, Tar Heel State Firearms has been recommended to me multiple times, Cameron from Delta Mike Lightworks also does them and has extensive knowledge with MK18s. Either one are good options. I'm not sure how many of the 10/14s were made, so I can't help you there unfortunately, but there are plenty of people here on the forums that can answer that. Just want to pimp out delta Mike Lightworks Not in hand yet but finished photos look spot on Attached File Used a surplus cqbr engraved upper for font and spacing, highly recommended if anyone needs it done Attached File |
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Attached File Mikey G from an Instagram post. He thought the riser was a Larue, not sure if that’s accurate. |
Member
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Posts:
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EE: 100% (3)
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It is indeed an A.R.M.S. #54. A few guys on that deployment had them. Always funny to me seeing all the silly super tall risers nowadays being toted as the next evolution of night vision setups, meanwhile once again it's just the industry catching up to shit Dick Swan was doing 25 years ago lmao         |
Collector, historian, and enthusiast of A.R.M.S. rails, mounts, and accessories.
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My 10.3” in Astan in 19’. Just submitted for my SBR 10.3 lowers at home Attached File |
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
I sell people a means to defend themselves.
Joined:
Mar 2009
Posts:
10406
EE: 100% (253)
UT, USA
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Originally Posted By Combat_Diver: My 10.3” in Astan in 19’. Just submitted for my SBR 10.3 lowers at home https://www.ar15.com/media/mediaFiles/32677/IMG_8726_jpeg-3775712.JPG C_D out there going clone correct on the Daniel Defense VFG placement. 
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Originally Posted By bradpierson26:
So I know you're a SF whore . . . . .
So I know you're a SF whore . . . . .
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Originally Posted By TheTacticalCoyote: C_D out there going clone correct on the Daniel Defense VFG placement. Coworker put on the VFG, I found out long ago I don’t like them😝 |
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
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Big and little rebuilt with engraved uppers, just waiting on my IMC 18-1 lowers to ship Su231-A is at the engravers; anyone have a lead on a mk6 tremor 3 with illumination? Attached File |
Fresh, innocent RC. Unmarred and unblemished by the cruel vagaries of heartless CQBRs. Gave it a proper welcome on Sunday. The Cerakote got a cooking it wasn't used to. Still haven't heard anything from SF on my old RC, and I'm not entirely sure what my plan is for it now. I thought about just keeping it pristine and shooting this one, but I'm already thinking about a more permanent home for it, lol. I mean, if I built another Block I... The NT4 could be the dedicated can for that, and I could make my Block IIs true RC twinsies. At the same time, I like having a Block II with an NT4. It's a quandary. 
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Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
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Mercy sakes, we gotta get the CQBR activity up in here, gentlemen. I'm putting together the last pieces of another CQBR Block I. Already have a Colt factory 10.3", C-marked Cerro upper, and C BCG. I have a 2003 Vero Beach RAS, early 2000s Wilcox, LMT L8A, PRI GB, and KAC M4QD on the way. I almost scored a raised C AF Colt upper for it, but it didn't work out. I still might try to source a raised C to complete the early 2000s vintage, but I'm using a current production Colt 10.3", so I'm not too worried about it. Lower will be the same PSA SBR'ed M4A1 Government Property from my old CQBR Block I. Accessories will be a proper Colt N1, CQD, and KAC QD. Adding an Arcfire V1, and I still have to get an S3G for it. I stole the old S3G out of the lower for my MP5K, lol. I guess I'm going to go with an Aimpoint PRO for the optic and retro it with turrets, battery cap, and strap. Debated an M2, but I want a 2MOA dot, and the only other option is a Comp M3. An M3 is what I did on my old Block I, but those are pretty hard to find. So, I guess it's gonna be a PRO unless I decide to get crazy and accept an M2 with 4MOA. Once it's all here, I suppose I'm gonna have to strip the lovely Aervoe paint job on my lower, then do it all from scratch with fresh Aervoe. Fun times. |
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
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Originally Posted By krdt: Mercy sakes, we gotta get the CQBR activity up in here, gentlemen. I'm putting together the last pieces of another CQBR Block I. Already have a Colt factory 10.3", C-marked Cerro upper, and C BCG. I have a 2003 Vero Beach RAS, early 2000s Wilcox, LMT L8A, PRI GB, and KAC M4QD on the way. I almost scored a raised C AF Colt upper for it, but it didn't work out. I still might try to source a raised C to complete the early 2000s vintage, but I'm using a current production Colt 10.3", so I'm not too worried about it. Lower will be the same PSA SBR'ed M4A1 Government Property from my old CQBR Block I. Accessories will be a proper Colt N1, CQD, and KAC QD. Adding an Arcfire V1, and I still have to get an S3G for it. I stole the old S3G out of the lower for my MP5K, lol. I guess I'm going to go with an Aimpoint PRO for the optic and retro it with turrets, battery cap, and strap. Debated an M2, but I want a 2MOA dot, and the only other option is a Comp M3. An M3 is what I did on my old Block I, but those are pretty hard to find. So, I guess it's gonna be a PRO unless I decide to get crazy and accept an M2 with 4MOA. Once it's all here, I suppose I'm gonna have to strip the lovely Aervoe paint job on my lower, then do it all from scratch with fresh Aervoe. Fun times. @krdt IMC posted on Instagram about the potential availability of early-contract-style CQD mounts. Of most interest were the flat-backed receiver end plates; you may want to contact them to inquire about their availability. Also, have you looked into the TNVC ECOS-N? |
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Originally Posted By ChemTrailZ: @krdt IMC posted on Instagram about the potential availability of early-contract-style CQD mounts. Of most interest were the flat-backed receiver end plates; you may want to contact them to inquire about their availability. Also, have you looked into the TNVC ECOS-N? I've seen the ECOS-N, but I've already got a period Wilcox, so I just need the optic at this point. I've got a line on a couple of Aimpoint PROs with original turrets/battery cap/straps. Probably should just grab an M2, but I don't like shooting with 4MOA dots. I've got astigmatism, and the bigger the dot, the more annoying it gets. Tried to get an M3 from a guy that had a package deal w/ a Wilcox and L8A, but he was asking new retail prices for used stuff, so that didn't work out. I'll check into those early CQDs, though. Good to know. |
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
 Thus, the CQBR Block I Part Deux begins -- I dub it CQBR Block Deux. I put the URG together tonight, but still waiting on the PRO and retrofit parts that are on the way. Managed to find a front M2/M3 old-style lens cover, but I still need the rear. Also waiting on the PRI Gasbuster (not gonna be shooting suppressed without a GB). I tossed a CAGE code Colt charging handle in as a placeholder for the fancy parts picture. If anyone has old M2/M3-style lens covers sitting around that they don't need, let me know. Or, for that matter, a Comp M3, I'd be interested. I'm still debating on a light. If I can find a 951 Fat Body for a reasonable price, I'm tempted to go that route and update it with a drop-in. Otherwise, it's getting the PR treatment with an M300 like my old Block I. I've got an M300 500 lumen in hand, so that might end up being the way, heh. |
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan
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I heard today was “take your MK18 to your local range” day. How could I say no  Attached File |
“Envy was once considered to be one of the seven deadly sins before it became one of the most admired virtues under its new name, social justice.” Thomas Sowell
 Getting there. I'm debating whether to paint the upper :\. I've always painted my Block I URGs, but the early 2000s Vero Beach RAS, Wilcox, etc., makes me hesitate a little. We'll see. |
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Aimpoint Comp M3 w/ Lens Covers
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Aimpoint Comp M3 w/ Lens Covers
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Agree paint! Bedside gun Attached File |
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
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Well, there's also the consideration of the tan NT4. So, paint does make a compelling argument. Just got another S3G, so I've got a trigger now, lol. |
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Aimpoint Comp M3 w/ Lens Covers
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Aimpoint Comp M3 w/ Lens Covers
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Originally Posted By FloridaMan11b: Anyone have pics of a 1.5x/6x elcan on a mk18? Looks like the current 6x elcans are only 1in longer and 1oz heavier than the 4x so im considering the 6x for a sbr. Just found this. Get a killflash for it and make it a real long boy. 
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Originally Posted By bbridson: Just found this. Get a killflash for it and make it a real long boy. https://i.redd.it/jn5rjipjhjcb1.jpg Won’t see many on M4 as 6x reticle matched for 7.62 of Mk17. |
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
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URG with ZU-23 bbl (23mm) Attached File |
De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
Iraq: 91,03,04,05,06,08,09,15,16,22-26'
Afghanistan: 09,10,11,14,17,-21'
 Okay, not sure how this happened. I blame AZ_SBR for luring me into buying his painted clone parts :\. |
Practice, the master of all things. - Augustus
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Aimpoint Comp M3 w/ Lens Covers
IG: @cqbr.kurdt
Looking for: Savannah Mk18 RIS II in light blonde/bronze - LMT SOPMOD Gen 1 Tan - Aimpoint Comp M3 w/ Lens Covers
I sell people a means to defend themselves.
Joined:
Mar 2009
Posts:
10439
EE: 100% (253)
UT, USA
Member
Joined:
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Posts:
216
EE: 100% (62)
TN, USA
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Attached File Attached File Attached File Been putting together this 2nd gen Surefire M962. Just need the arms mount. Just realized that this was the model used on the MK18 Mod 0 so now I may have to put one together 
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Mk 18 / CQBR (Page 1605 of 1609)
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