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MN, USA
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Posted: 6/28/2022 9:37:10 AM EDT
[Last Edit: TW56]
[#1]
Anyone have a set of used A.R.M.S, #22 Medium rings ? Still looking.
TW56 edit: page ownership pic 
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USA
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Posted: 6/28/2022 12:53:39 PM EDT
[Last Edit: Svensson]
[#2]
 Did some shooting this weekend. Pretty impressed with what the mod 1 can do. All were sub-MOA (once I zeroed the scope...), but this was my best group of the day. IMI 77 gr OTM is good stuff. Collar came loose while I was shooting. Didn't use any loctite on the set screw. While I was looking at it, I noticed a couple other potential issues I may need to address. My Allen Engineering brake is installed with shims, but only has the thin shims. It lacks the thick black shim that I've seen with some of the brake/collar kits. Anyone know where I can get one of these? Or is the preferred mounting solution to use a crush washer rather than shims? Currently the muzzle sits slightly proud of the threaded portion of the brake.  My barrel is also dimpled for the collar set screw slightly forward of the shoulder. Tightening down the set screw in the dimple has it about 0.1" in front of the shoulder. What is the proper distance between the front of the threads on the brake and the beginning of the taper on the collar? Is there a 'correct' measurement from the gas block to the end of the collar? I should be able to get a bit of extra distance between the two by shimming the brake out to the end of the barrel. Didn't really think about this stuff before but I'm trying to figure out if it will present issues when I get my suppressor. |
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Posted: 6/28/2022 2:19:57 PM EDT
[#3]
Quote HistoryOriginally Posted By Svensson: https://live.staticflickr.com/65535/52179807286_b691f57710_c.jpg Did some shooting this weekend. Pretty impressed with what the mod 1 can do. All were sub-MOA (once I zeroed the scope...), but this was my best group of the day. IMI 77 gr OTM is good stuff. Collar came loose while I was shooting. Didn't use any loctite on the set screw. While I was looking at it, I noticed a couple other potential issues I may need to address. My Allen Engineering brake is installed with shims, but only has the thin shims. It lacks the thick black shim that I've seen with some of the brake/collar kits. Anyone know where I can get one of these? Or is the preferred mounting solution to use a crush washer rather than shims? Currently the muzzle sits slightly proud of the threaded portion of the brake. https://live.staticflickr.com/65535/52179839356_f4405eb030_c.jpg My barrel is also dimpled for the collar set screw slightly forward of the shoulder. Tightening down the set screw in the dimple has it about 0.1" in front of the shoulder. What is the proper distance between the front of the threads on the brake and the beginning of the taper on the collar? Is there a 'correct' measurement from the gas block to the end of the collar? I should be able to get a bit of extra distance between the two by shimming the brake out to the end of the barrel. Didn't really think about this stuff before but I'm trying to figure out if it will present issues when I get my suppressor. I have some of the AE thick shims incoming from Ron. Send me a PM if you want me to send one your way when they arrive. I snagged a few extras for exactly this type of scenario. |
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GA, USA
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Posted: 6/28/2022 2:55:14 PM EDT
[#4]
Quote HistoryOriginally Posted By Svensson: https://live.staticflickr.com/65535/52179807286_b691f57710_c.jpg Did some shooting this weekend. Pretty impressed with what the mod 1 can do. All were sub-MOA (once I zeroed the scope...), but this was my best group of the day. IMI 77 gr OTM is good stuff. Collar came loose while I was shooting. Didn't use any loctite on the set screw. While I was looking at it, I noticed a couple other potential issues I may need to address. My Allen Engineering brake is installed with shims, but only has the thin shims. It lacks the thick black shim that I've seen with some of the brake/collar kits. Anyone know where I can get one of these? Or is the preferred mounting solution to use a crush washer rather than shims? Currently the muzzle sits slightly proud of the threaded portion of the brake. https://live.staticflickr.com/65535/52179839356_f4405eb030_c.jpg My barrel is also dimpled for the collar set screw slightly forward of the shoulder. Tightening down the set screw in the dimple has it about 0.1" in front of the shoulder. What is the proper distance between the front of the threads on the brake and the beginning of the taper on the collar? Is there a 'correct' measurement from the gas block to the end of the collar? I should be able to get a bit of extra distance between the two by shimming the brake out to the end of the barrel. Didn't really think about this stuff before but I'm trying to figure out if it will present issues when I get my suppressor. You should have 2.4" between the bare muzzle of the barrel to the step where the SPR collar seats. If the collar keeps coming loose, put a couple drops of red loctite on the step and the collar will stay in place. I would make sure it is fully seated on the step in the barrel so you get the correct number of turns on the AEM5.  |
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Posted: 6/28/2022 4:01:35 PM EDT
[#5]
For reference, is the correct number of turns somewhere between 6.5-9?
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GA, USA
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Posted: 6/28/2022 4:24:36 PM EDT
[#6]
Quote HistoryOriginally Posted By rbutcher: For reference, is the correct number of turns somewhere between 6.5-9? I'd say 7-10 turns, max 11. I've run it with 5.5 with no issue and read of others even running 3.5. I get 8 on my NSW Recce. |
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Posted: 6/28/2022 6:58:52 PM EDT
[#7]
practically NIB. schwing!
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Posted: 6/28/2022 7:10:08 PM EDT
[#8]
Quote HistoryRefinance the house, did ya? 
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Posted: 6/28/2022 8:14:47 PM EDT
[#9]
 Anyone need a used barrel.....
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USA
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Posted: 7/2/2022 1:53:34 AM EDT
[Last Edit: Toothpicksandkatchup]
[#10]
Anyone got a C marked Colt upper they wanna get rid of? Tired of trying to find an AF marked one and my barrel gets here next week, and I've got no patience.
Edit: Also, iv'e got a full addressed FSGB, however it has tapper pins, so I would like to utilize the set-screw style. If I purchased a new style FSGB, can I swap bases and put my full address on a new style base? |
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Posted: 7/2/2022 10:14:12 AM EDT
[#11]
Quote HistoryOriginally Posted By Toothpicksandkatchup: Anyone got a C marked Colt upper they wanna get rid of? Tired of trying to find an AF marked one and my barrel gets here next week, and I've got no patience. Edit: Also, iv'e got a full addressed FSGB, however it has tapper pins, so I would like to utilize the set-screw style. If I purchased a new style FSGB, can I swap bases and put my full address on a new style base? Should be able to swap the sight post between bases. Pretty painless process. |
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USA
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Posted: 7/2/2022 2:24:09 PM EDT
[#12]
Just a matter of pushing the pin seen on the rear through I assume?
Well I can apparently no longer copy and paste from my phone, but it's a silver pin on the back of the sight post. Bi directional I assume? |
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Posted: 7/2/2022 2:56:42 PM EDT
[Last Edit: teamjawbox]
[#13]
Quote HistoryOriginally Posted By Toothpicksandkatchup: Just a matter of pushing the pin seen on the rear through I assume? Well I can apparently no longer copy and paste from my phone, but it's a silver pin on the back of the sight post. Bi directional I assume? Yea. I don't have a good pic handy, but here's the location of the pin you push out. Once it comes out you'll see the spring and how it all comes together.  Attached File |
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VA, USA
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Posted: 7/3/2022 8:40:23 AM EDT
[Last Edit: thatdtmsguy]
[#14]
Nevermind
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Posted: 7/3/2022 11:57:32 AM EDT
[#15]
Quote HistoryOriginally Posted By thatdtmsguy: Anyone have a bead on a doctor or insight MRDS? There was one available on Reddit GAFS. I'll find the link and PM it to you. |
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VA, USA
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Posted: 7/3/2022 11:59:19 AM EDT
[#16]
Thanks!
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Posted: 7/3/2022 1:05:23 PM EDT
[#17]
Quote HistoryOriginally Posted By thatdtmsguy: Thanks! And it's already gone 
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Posted: 7/3/2022 3:56:36 PM EDT
[#18]
Quote HistoryOriginally Posted By stainlineho: You should have 2.4" between the bare muzzle of the barrel to the step where the SPR collar seats. If the collar keeps coming loose, put a couple drops of red loctite on the step and the collar will stay in place. I would make sure it is fully seated on the step in the barrel so you get the correct number of turns on the AEM5. https://i.imgur.com/92mXxWb.jpg Is the collar seat in line with the minimum diameter of the collar's taper? |
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Posted: 7/3/2022 11:42:19 PM EDT
[#19]
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MI, USA
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Posted: 7/5/2022 6:21:06 PM EDT
[#20]
Anybody have a fake mk12 suppressor they would sell?
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USA
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Posted: 7/5/2022 9:50:39 PM EDT
[#21]
Quote HistoryOriginally Posted By Rothperson87: https://www.ar15.com/media/mediaFiles/462226/4BCC2A14-D5C0-4983-9393-E7F089A1EBA3_jpe-2441009.JPG This makes me almost not want to get my barrel coated |
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Posted: 7/6/2022 9:33:13 AM EDT
[#22]
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USA
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Posted: 7/6/2022 6:41:53 PM EDT
[#23]
Missed again.
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Posted: 7/6/2022 6:48:36 PM EDT
[#24]
Quote HistoryOriginally Posted By revottuneda4: AEM5s in stock damnit! i keep missing when these pop up. i need a 2nd one.. |
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Posted: 7/6/2022 9:13:05 PM EDT
[#25]
Quote HistoryOriginally Posted By JLAudio: damnit! i keep missing when these pop up. i need a 2nd one.. Quote HistoryOriginally Posted By JLAudio: Originally Posted By revottuneda4: AEM5s in stock damnit! i keep missing when these pop up. i need a 2nd one.. Shows 8 in stock as of 9:16 |
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Posted: 7/6/2022 11:32:38 PM EDT
[#26]
Quote HistoryOriginally Posted By KOBK: Shows 8 in stock as of 9:16 Hit CTRL + F5 and it will show out of stock |
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Posted: 7/7/2022 10:29:52 AM EDT
[#27]
Sorry for the ignorance, but can I ask why the AEM5 is preferred over the OCM5? Is it simply the difference in weight from the original Ops Inc? I'm wanting a can for my Mod0 so trying to decide. My scope already will not be clone correct, unfortunately.
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Posted: 7/7/2022 11:08:25 AM EDT
[#28]
Quote HistoryOriginally Posted By Blanco_Diablo: Sorry for the ignorance, but can I ask why the AEM5 is preferred over the OCM5? Is it simply the difference in weight from the original Ops Inc? I'm wanting a can for my Mod0 so trying to decide. My scope already will not be clone correct, unfortunately. Because Ron @ AE made the original Ops Inc cans. |
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OH, USA
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Posted: 7/8/2022 12:49:29 AM EDT
[#29]
Quote HistoryOriginally Posted By Blanco_Diablo: Sorry for the ignorance, but can I ask why the AEM5 is preferred over the OCM5? Is it simply the difference in weight from the original Ops Inc? I'm wanting a can for my Mod0 so trying to decide. My scope already will not be clone correct, unfortunately. Also because blatantly ripping off someone's hard work instead of innovating and applying yourself should never be rewarded. |
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Posted: 7/8/2022 3:32:20 AM EDT
[#30]
How is using Allens collar and brake mounting system ripping off a design? Because otter made it look similar from the outside?
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Posted: 7/8/2022 11:59:53 AM EDT
[Last Edit: AGR1279]
[#31]
Quote HistoryOriginally Posted By Tactical_Bucket: How is using Allens collar and brake mounting system ripping off a design? Because otter made it look similar from the outside? It was the way it went down. Ron said he was going to retire and was spinning up someone to take over the business. OCM blatantly used the engineering drawings on their website. They didn’t give credit to Ron and eventually crossed out his name on the drawing. I’m sure I missed a few important pieces but I think I hit the important ones. You can read it on the thread about Ron’s cans. Dan |
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Posted: 7/8/2022 12:14:31 PM EDT
[#32]
Quote HistoryOriginally Posted By AGR1279: It was the way it went down. Ron said he was going to retire and was spinning up someone to take over the business. OCM blatantly used the engineering drawings on their website. They didn’t give credit to Ron and eventually crossed out his name on the drawing. I’m sure I missed a few important pieces but I think I hit the important ones. You can read it on the thread about Ron’s cans. Dan Quote HistoryOriginally Posted By AGR1279: Originally Posted By Tactical_Bucket: How is using Allens collar and brake mounting system ripping off a design? Because otter made it look similar from the outside? It was the way it went down. Ron said he was going to retire and was spinning up someone to take over the business. OCM blatantly used the engineering drawings on their website. They didn’t give credit to Ron and eventually crossed out his name on the drawing. I’m sure I missed a few important pieces but I think I hit the important ones. You can read it on the thread about Ron’s cans. Dan Link to that thread? |
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Posted: 7/8/2022 12:31:25 PM EDT
[#33]
Quote HistoryOriginally Posted By towerofpower94: Link to that thread? It's all in the allen engineering facebook group if i recall correctly |
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OR, USA
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Posted: 7/8/2022 1:02:32 PM EDT
[#34]
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Posted: 7/8/2022 2:30:05 PM EDT
[#35]
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MN, USA
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Posted: 7/8/2022 3:06:37 PM EDT
[#36]
Quote HistoryOriginally Posted By towerofpower94: Link to that thread? Quote HistoryOriginally Posted By towerofpower94: Originally Posted By AGR1279: Originally Posted By Tactical_Bucket: How is using Allens collar and brake mounting system ripping off a design? Because otter made it look similar from the outside? It was the way it went down. Ron said he was going to retire and was spinning up someone to take over the business. OCM blatantly used the engineering drawings on their website. They didn’t give credit to Ron and eventually crossed out his name on the drawing. I’m sure I missed a few important pieces but I think I hit the important ones. You can read it on the thread about Ron’s cans. Dan Link to that thread? This is the Ops-Inc-Allen Engineering thread. https://www.ar15.com/forums/Armory/Ops-Inc-Allen-Engineering-Picture-and-Discussion-Thread/20-445848/?page=72 |
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TX, USA
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Posted: 7/8/2022 3:12:44 PM EDT
[Last Edit: LashWS]
[#37]
Hello there. I'm one of them FNG's, but figured it was about time to chime in and post my Mk12 Mod 1 that I've been workin' on for a minute. AEM5 was approved a couple months ago after a decent chunk of time waiting for the backorder, but was a relatively quick wait for the form 4 itself.
Things to get: Pod-Loc for the Harris Bipod Colt Teardrop forward Assist Pelican Case Pelican Case Foam Mk12 Documents/Log/Hang Tag Dewey Cleaning Rod Otis 5.56 Cleaning Kit Mk12 Bore Guide Probably some other stuff I'm forgetting. Feel free to grill the hell out of me, and forgive me if I'm using the wrong nomenclature with regards to item numbers/model numbers/etc. It's not exactly a clone (of the FDNY Mk12), but I definitely love the sleeve with the low rings and it's a dream to shoot with the AEM5.   
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TX, USA
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Posted: 7/8/2022 3:21:30 PM EDT
[Last Edit: LashWS]
[#38]
Parts List in case anyone cares:
Colt 'C' Keyhole Upper Colt 'C' BCG Knights Rifle FF RAS Centurion 18" Mk12 Barrel Ops Inc Brake and Collar Coronet Mk12 Gas Block PRI Gas Buster Charging Handle Allen Engineering AEM5 Leupold Mk4 2.5-8x + Mk12 Turrets ARMS #22L Rings + ARMS Top Ring Half w/ Rail Swan Sleeve #38S-Ex(?) - Which I'm working on finding more documentation on KAC 200-600m Folding Rear KAC M4/Mk12 Folding Front KAC QD Sling Mount + Uncle Mikes Swivel KAC MWS Bipod Mount Harris S-BRM Bipod KAC Foregrip Brownells BRN16A1 Lower Geissele SSA Trigger Colt A2 Fatty Grip Colt A2 Stock Colt Rifle Buffer/Tube + SprinCo Green Spring Colt LPK/Trigger Guard Also stuff to buy: Pod-Loc Colt Teardrop F/A Pelican Case Foam + Deployment stuff (Dewey Rod/Bore Guide/etc.) |
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Posted: 7/8/2022 4:27:03 PM EDT
[#39]
Quote HistoryOriginally Posted By Mblades: https://i.imgur.com/pRGiyY2.jpg Weirdly I liked the paint it had on there before. That funky red/tan has a look that has grown on me, and I think our own Stukas87's SPR may have had some of that earthy red on it. |
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Posted: 7/8/2022 4:58:11 PM EDT
[Last Edit: KGLaw]
[#40]
Originally Posted By lancecriminal86: Weirdly I liked the paint it had on there before. That funky red/tan has a look that has grown on me, and I think our own Stukas87's SPR may have had some of that earthy red on it. Wholeheartedly agree.  Attached File |
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OR, USA
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Posted: 7/8/2022 5:06:03 PM EDT
[#41]
Quote HistoryOriginally Posted By Hunterex: Wholeheartedly agree. https://www.ar15.com/media/mediaFiles/59096/1a5b6802_jpg-2445808.JPG Quote HistoryOriginally Posted By Hunterex: Originally Posted By lancecriminal86: Weirdly I liked the paint it had on there before. That funky red/tan has a look that has grown on me, and I think our own Stukas87's SPR may have had some of that earthy red on it. Wholeheartedly agree. https://www.ar15.com/media/mediaFiles/59096/1a5b6802_jpg-2445808.JPG Here’s a little better shot with the old cammo. Hindsight being 20/20 I like the skillcraft tan and brick red look too. 
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Posted: 7/8/2022 6:11:44 PM EDT
[#42]
Quote HistoryOriginally Posted By Mblades: Hindsight being 20/20 I like the skillcraft tan and brick red look too. https://i.imgur.com/YRP4WZs.jpg I may have to restore it. |
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OR, USA
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Posted: 7/8/2022 6:49:16 PM EDT
[#43]
Quote HistoryOriginally Posted By Hunterex: I may have to restore it. Quote HistoryOriginally Posted By Hunterex: Originally Posted By Mblades: Hindsight being 20/20 I like the skillcraft tan and brick red look too. https://i.imgur.com/YRP4WZs.jpg I may have to restore it. Do you have it now?!? |
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Posted: 7/8/2022 7:31:59 PM EDT
[#44]
Quote HistoryOriginally Posted By Mblades: Do you have it now?!?  Attached FileReally wish that I had the #38 and #40 in the proper position on the top upper prior to this pic.
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USA
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Posted: 7/8/2022 9:00:57 PM EDT
[#45]
I like that brick red/other color a lot. And definitely good timing as my barrel just came in, was gonna get it coated but will probably just paint it fer now.
Didn't plan on spending near scar 20s on 20yr old tech |
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Posted: 7/8/2022 9:07:10 PM EDT
[#46]
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MT, USA
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Posted: 7/8/2022 9:42:21 PM EDT
[Last Edit: djangolb]
[#47]
figured I'd finally add my mk12(ish)
 has a fun rare item with it as well 
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OR, USA
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Posted: 7/8/2022 10:38:10 PM EDT
[#48]
Quote HistoryOriginally Posted By Hunterex: https://www.ar15.com/media/mediaFiles/59096/signal-2022-04-15-141424_001_jpeg-2445989.JPG Really wish that I had the #38 and #40 in the proper position on the top upper prior to this pic. That’s one hell of a picture regardless. 
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OR, USA
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Posted: 7/8/2022 10:40:24 PM EDT
[#49]
Quote HistoryOriginally Posted By Toothpicksandkatchup: I like that brick red/other color a lot. And definitely good timing as my barrel just came in, was gonna get it coated but will probably just paint it fer now. Didn't plan on spending near scar 20s on 20yr old tech Get both! Mk12s and scar 20s go together like peas and carrots. 
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AL, USA
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Posted: 7/9/2022 11:00:18 AM EDT
[#50]
Quote HistoryOriginally Posted By Hunterex: https://www.ar15.com/media/mediaFiles/59096/signal-2022-04-15-141424_001_jpeg-2445989.JPG Really wish that I had the #38 and #40 in the proper position on the top upper prior to this pic. 
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