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Posted: 9/13/2022 6:03:08 AM EDT
[Last Edit: Solo_]
[#1]
Quote HistoryOriginally Posted By wissota4: They make black UHPs? |
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Posted: 9/13/2022 8:21:41 AM EDT
[Last Edit: AWZ1287]
[#2]
Quote HistoryOriginally Posted By mdavis: Ok. I figured maybe there was something special about the SF4P in the photo. Thankfully these are now standard SF products so everyone can quit hyping them up. They're still kinda hard to find though. I was more excited because it's the final piece of my build. |
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Posted: 9/13/2022 10:47:38 AM EDT
[#3]
Quote HistoryOriginally Posted By AWZ1287: They're still kinda hard to find though. I was more excited because it's the final piece of my build. It's just a good muzzle device to have for them clones... feels good |
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Posted: 9/13/2022 11:02:34 AM EDT
[#4]
Quote HistoryOriginally Posted By Solo_: I was frankly excited for the price as new - first time I see it at USD140 versus the 250+ or even 300 I remember seeing it around on Gunbroker etc. It's just a good muzzle device to have for them clones... feels good Yeah, agreed, that too. |
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SC, USA
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Posted: 9/14/2022 7:28:07 AM EDT
[#5]
Good morning all,
not trying to upset the apple-cart or raise a debate, but the 10.5" LMT uppers were small unit purchases outside of the normal issued chain, right? If so, I have a couple of questions - 1) Does anyone know specifically what units/ locations purchased those uppers 2) were these kitted the same/ similar to the CQBR Blk I's as far as accessories? |
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Posted: 9/14/2022 1:48:32 PM EDT
[#6]
Quote HistoryOriginally Posted By AWZ1287: Yeah, agreed, that too. |
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Posted: 9/14/2022 2:01:05 PM EDT
[#7]
Quote HistoryOriginally Posted By Solo_: Just realized the 4P can't be indexed with the tool as with the 3P; how do I tighten it? Hand tighten only? https://www.brownells.com/gunsmith-tools-supplies/rifle-tools/wrenches/ar-15-m16-combination-wrench-prod468.aspx That’s what I use. Thin enough for SF muzzle devices. I think classified defense makes a specific 4p wrench as well. |
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IA, USA
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Posted: 9/14/2022 2:06:22 PM EDT
[#8]
Quote HistoryOriginally Posted By Solo_: Just realized the 4P can't be indexed with the tool as with the 3P; how do I tighten it? Hand tighten only? Open ended wrench/crows foot wrench/M16 wrench. Torque value is 20-30 ft lbs. I used a strap wrench. If you're feeling spendy, Classified Defense sells a damn nice wrench for $35. |
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Posted: 9/14/2022 2:25:00 PM EDT
[#9]
Quote HistoryOriginally Posted By TGWLDR: Open ended wrench/crows foot wrench/M16 wrench. Torque value is 20-30 ft lbs. I used a strap wrench. If you're feeling spendy, Classified Defense sells a damn nice wrench for $35. |
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Posted: 9/14/2022 2:27:09 PM EDT
[#10]
Quote HistoryOriginally Posted By Subpar: https://www.brownells.com/gunsmith-tools-supplies/rifle-tools/wrenches/ar-15-m16-combination-wrench-prod468.aspx That's what I use. Thin enough for SF muzzle devices. I think classified defense makes a specific 4p wrench as well. (sorry about the double thanking post, saw too late) |
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Posted: 9/14/2022 2:34:57 PM EDT
[Last Edit: Combat_Diver]
[#11]
Quote HistoryOriginally Posted By Solo_: Just realized the 4P can't be indexed with the tool as with the 3P; how do I tighten it? Hand tighten only? Another technique used down range is to use the Geissle URGI barrel wrench. Use the open hook in a tine to tighten. Set torque wrench to 25 ft lbs (20-30) Or get a 3/4" open end box wrench at pawn shop for $1 and put it to the bench grinder to thin it down.  Attached File |
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Posted: 9/14/2022 2:49:42 PM EDT
[Last Edit: Solo_]
[#12]
Quote HistoryOriginally Posted By Combat_Diver: Another technique used down range is to use the Geissle URGI barrel wrench. Use the open hook in a tine to tighten. Set torque wrench to 25 ft lbs (20-30) Or get a 3/4" open end box wrench at pawn shop for $1 and put it to the bench grinder to thin it down. https://www.ar15.com/media/mediaFiles/32677/Geissele_wrench_for_SF4P_jpg-2526089.JPG 'cause I think you are. Got that tool, doing now - thank you!!!!!! ETA: done, worked like a charm - happy camper. Thank you Sir! |
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Posted: 9/14/2022 3:27:43 PM EDT
[#13]
Quote HistoryOriginally Posted By Solo_: Just realized the 4P can't be indexed with the tool as with the 3P; how do I tighten it? Hand tighten only? I just installed mine, I used the FCD flash hider wrench. https://www.forwardcontrolsdesign.com/jmw-joint-muzzle-device-wrench.html |
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Posted: 9/14/2022 3:31:32 PM EDT
[#14]
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Posted: 9/14/2022 3:33:04 PM EDT
[#15]
Quote HistoryOriginally Posted By Solo_: Are you a genius - CD - or what? 'cause I think you are. Got that tool, doing now - thank you!!!!!! ETA: done, worked like a charm - happy camper. Thank you Sir! 
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Posted: 9/14/2022 3:33:31 PM EDT
[#16]
Quote HistoryOriginally Posted By AWZ1287: I just installed mine, I used the FCD flash hider wrench. https://www.forwardcontrolsdesign.com/jmw-joint-muzzle-device-wrench.html 
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Posted: 9/14/2022 3:34:04 PM EDT
[#17]
Quote HistoryOriginally Posted By AWZ1287: Does this look close enough on alignment? It it right at 30 but it's a hair off. https://www.ar15.com/media/mediaFiles/469589/20220914_153031_jpg-2526176.JPG GTG |
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Posted: 9/14/2022 3:37:26 PM EDT
[#18]
Quote HistoryOriginally Posted By Combat_Diver: GTG Cool, Thank you 
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Posted: 9/14/2022 6:46:07 PM EDT
[#19]
Quote HistoryOriginally Posted By Subpar: https://www.brownells.com/gunsmith-tools-supplies/rifle-tools/wrenches/ar-15-m16-combination-wrench-prod468.aspx That’s what I use. Thin enough for SF muzzle devices. I think classified defense makes a specific 4p wrench as well. Same tool I have used for 10 years for normal barrel nuts, flash hiders and now the SF4P. Bought it at a gunshow 10 years ago for $10. Sarco has it for $17.00 or $23 with taxes and shipping. Ar15/M16 Combo Wrench. |
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Posted: 9/14/2022 8:44:01 PM EDT
[#20]
I thought the flash hiders were not timed, just thread on and go or do they need to be timed?
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Posted: 9/14/2022 8:51:43 PM EDT
[#21]
Quote HistoryOriginally Posted By jake-cutter: I thought the flash hiders were not timed, just thread on and go or do they need to be timed? I don't think it needs to be timed. That being said, if I had a son who built a MK18 and his suppressor engraving wasn't TDC I'd be severely disappointed. |
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Posted: 9/14/2022 9:00:02 PM EDT
[#22]
Quote HistoryOriginally Posted By jake-cutter: I thought the flash hiders were not timed, just thread on and go or do they need to be timed? OCD is a fickle bitch. |
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IA, USA
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Posted: 9/14/2022 9:07:46 PM EDT
[#23]
Quote HistoryOriginally Posted By jake-cutter: I thought the flash hiders were not timed, just thread on and go or do they need to be timed? Some insist on their index tab being at BDC. |
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Posted: 9/14/2022 9:24:47 PM EDT
[#24]
Quote HistoryOriginally Posted By SecretSquirell: OCD is a fickle bitch. Quote HistoryOriginally Posted By SecretSquirell: Originally Posted By jake-cutter: I thought the flash hiders were not timed, just thread on and go or do they need to be timed? OCD is a fickle bitch. This |
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Posted: 9/14/2022 9:38:09 PM EDT
[#25]
Quote HistoryOriginally Posted By TGWLDR: Some insist on their index tab being at BDC. ^I fall in that category^ Why would you want an open slot facing down anyway? |
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Posted: 9/14/2022 9:58:59 PM EDT
[#26]
Quote HistoryOriginally Posted By FONTY: ^I fall in that category^ Why would you want an open slot facing down anyway? Quote HistoryOriginally Posted By FONTY: Originally Posted By TGWLDR: Some insist on their index tab being at BDC. ^I fall in that category^ Why would you want an open slot facing down anyway? I'll take an open slot at any angle I can get it. Oh...I think we're thinking of different things. 
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IA, USA
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Posted: 9/14/2022 10:03:52 PM EDT
[#27]
Quote HistoryOriginally Posted By SecretSquirell: I'll take an open slot at any angle I can get it. Oh...I think we're thinking of different things. Whoah!
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IA, USA
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Posted: 9/14/2022 10:05:21 PM EDT
[Last Edit: TGWLDR]
[#28]
Quote HistoryOriginally Posted By FONTY: ^I fall in that category^ Why would you want an open slot facing down anyway? Quote HistoryOriginally Posted By FONTY: Originally Posted By TGWLDR: Some insist on their index tab being at BDC. ^I fall in that category^ Why would you want an open slot facing down anyway? Agreed. But you know what they say man....to each their own. |
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Posted: 9/14/2022 10:11:51 PM EDT
[#29]
Quote HistoryOriginally Posted By SecretSquirell: I'll take an open slot at any angle I can get it. Oh...I think we're thinking of different things. 
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NC, USA
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Posted: 9/16/2022 10:21:06 AM EDT
[#30]
I have heard that the Vltor A5 stock was develpoed for the USMC MK18 but have yet to find a picture of one with that stock
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USA
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Posted: 9/16/2022 11:10:07 AM EDT
[#31]
Not quite - for the USMC M16A5, which was itself a cancelled project.
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FL, USA
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Posted: 9/17/2022 7:36:43 PM EDT
[#32]
Looking for a little guidance on whether there's any utility to being able to run a Mk 18 unsuppressed.
Any of you guys, who own cans, shoot your Mk 18's unsuppressed regularly? I can opt for (A) dedicated suppressed or (B) mixed use if I have Trajectory Arms assemble my upper with their "tuning" service (BRT tube or gas block insert, tested on F/A lower). But, to reiterate, I'm still unsure of whether there's any utility to being able to run a 10.3" upper unsuppressed. My SOCOM556-RC2 should be out of jail any day. All parts I have are correct (0.070" port Colt 10.3" barrel, Mk 12 gb, etc.) but the upper has never been assembled. I shoot lefty - any marginal gas mitigation is worth it to me, even if it means sacrificing a part of the gas system that would otherwise be clone correct. Any thoughts/opinions welcome. |
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NC, USA
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Posted: 9/17/2022 8:47:29 PM EDT
[#33]
Quote HistoryOriginally Posted By DCRV: Looking for a little guidance on whether there's any utility to being able to run a Mk 18 unsuppressed. Any of you guys, who own cans, shoot your Mk 18's unsuppressed regularly? I can opt for (A) dedicated suppressed or (B) mixed use if I have Trajectory Arms assemble my upper with their "tuning" service (BRT tube or gas block insert, tested on F/A lower). But, to reiterate, I'm still unsure of whether there's any utility to being able to run a 10.3" upper unsuppressed. My SOCOM556-RC2 should be out of jail any day. All parts I have are correct (0.070" port Colt 10.3" barrel, Mk 12 gb, etc.) but the upper has never been assembled. I shoot lefty - any marginal gas mitigation is worth it to me, even if it means sacrificing a part of the gas system that would otherwise be clone correct. Any thoughts/opinions welcome. It needs to run unsuppressed. Things happen. Suppressors go down. Mounts have issues. Then you are left with a single shot rifle. Maybe try the bootleg carrier instead of that tube. |
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Posted: 9/18/2022 1:23:12 AM EDT
[#34]
Quote HistoryOriginally Posted By Eyekahn: It needs to run unsuppressed. Things happen. Suppressors go down. Mounts have issues. Then you are left with a single shot rifle. Maybe try the bootleg carrier instead of that tube. |
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Posted: 9/18/2022 2:44:53 AM EDT
[#35]
Quote HistoryOriginally Posted By DCRV: Looking for a little guidance on whether there's any utility to being able to run a Mk 18 unsuppressed. Any of you guys, who own cans, shoot your Mk 18's unsuppressed regularly? I can opt for (A) dedicated suppressed or (B) mixed use if I have Trajectory Arms assemble my upper with their "tuning" service (BRT tube or gas block insert, tested on F/A lower). But, to reiterate, I'm still unsure of whether there's any utility to being able to run a 10.3" upper unsuppressed. My SOCOM556-RC2 should be out of jail any day. All parts I have are correct (0.070" port Colt 10.3" barrel, Mk 12 gb, etc.) but the upper has never been assembled. I shoot lefty - any marginal gas mitigation is worth it to me, even if it means sacrificing a part of the gas system that would otherwise be clone correct. Any thoughts/opinions welcome. Shot mine weekly enough without a suppressor and had to rebarrel it.  Attached FileCD |
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Posted: 9/18/2022 2:49:14 AM EDT
[#36]
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Posted: 9/18/2022 2:50:31 AM EDT
[#37]
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Posted: 9/18/2022 9:40:05 AM EDT
[#38]
Quote HistoryOriginally Posted By Combat_Diver: https://www.ar15.com/media/mediaFiles/32677/645A3A78-9FF7-43BA-B702-3A03552C74CA_jpe-2530306.JPG What sling is that? |
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Posted: 9/18/2022 9:45:05 AM EDT
[Last Edit: Combat_Diver]
[#39]
Quote HistoryOriginally Posted By AWZ1287: What sling is that? Don't know, something I picked up over there well used. I only used it as a two point sling. Let someone shot my rifle on the range and they let it droop over the flash hinder that sorta cut it in half (USGI). CD |
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Posted: 9/18/2022 9:54:31 AM EDT
[#40]
Oh, got it. I just finished my build yesterday, I need to figure out a sling.
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Posted: 9/18/2022 1:35:10 PM EDT
[Last Edit: AWZ1287]
[#41]
Is there a torque spec for the kac front/rear sights and the cqd forward sling mount?
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Posted: 9/18/2022 1:46:26 PM EDT
[#42]
Quote HistoryOriginally Posted By AWZ1287: Is there a torque spec for the kac front/rear sights and the cqd forward sling mount? I've never seen one. CD |
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Posted: 9/18/2022 1:50:01 PM EDT
[#43]
Thanks, I'll just snug them down.
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Posted: 9/18/2022 2:50:23 PM EDT
[#44]
Quote HistoryOriginally Posted By AWZ1287: Thanks, I'll just snug them down. There are torque specs for bolt/screw diameter and pitch you can easily find with a Google search. Also thread locker is good to go. |
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Posted: 9/18/2022 3:51:38 PM EDT
[#45]
Has anyone seen any of the FN 10.3 Socom barrels recently?
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Posted: 9/18/2022 5:08:44 PM EDT
[Last Edit: AWZ1287]
[#46]
Quote HistoryOriginally Posted By wissota4: There are torque specs for bolt/screw diameter and pitch you can easily find with a Google search. Also thread locker is good to go. I'll take a look. I was planning on using blue loctite. Except the front sight, being it has a helicoil. |
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FL, USA
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Posted: 9/18/2022 9:31:12 PM EDT
[#47]
Quote HistoryOriginally Posted By Eyekahn: It needs to run unsuppressed. Things happen. Suppressors go down. Mounts have issues. Then you are left with a single shot rifle. Maybe try the bootleg carrier instead of that tube. Thanks for the feedback. |
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Posted: 9/19/2022 7:39:29 AM EDT
[#48]
Do you want the requirements for DoS mk18's here?
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Posted: 9/19/2022 10:40:34 AM EDT
[Last Edit: AWZ1287]
[#49]
Quote HistoryOriginally Posted By hoody2shoez: Do you want the requirements for DoS mk18's here? The what? |
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Posted: 9/19/2022 10:42:59 AM EDT
[#50]
Help me decide between a tango down full size and a AFG-2. I have both on hand. Both are fde.
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