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User Panel
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GA, USA
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Posted: 4/18/2021 11:18:53 AM EDT
[#1]
Thank you very much
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GA, USA
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Posted: 4/18/2021 12:17:47 PM EDT
[Last Edit: Fishyjoes]
[#2]
Sourcing parts may be harder than I thought. Turns out the upper receiver I have has m4 feed ramps and a lot the manufactures sell barrels with m4 extensions
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Posted: 4/18/2021 12:22:39 PM EDT
[#3]
Quote HistoryOriginally Posted By Fishyjoes: Thank you very much. Sourcing parts may be harder than I thought. Turns out the upper receiver I have has m4 feed ramps and a lot the manufacturs sell barrels with m4 extensions Just depends how correct you want to be. If Colt AR15A4 URGs come back in stock, they are pretty close to being correct. They have M4 feedramps and the FSB is not marked. FN CHF barrels are nice but no FSB so pretty expensive. |
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NV, USA
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Posted: 4/18/2021 2:21:35 PM EDT
[#4]
Quote HistoryOriginally Posted By pezboytate: Just depends how correct you want to be. If Colt AR15A4 URGs come back in stock, they are pretty close to being correct. They have M4 feedramps and the FSB is not marked. FN CHF barrels are nice but no FSB so pretty expensive. My Colt AR15A4 FSB is marked “F”. FYI, Colt has continued the AR15A4 with rifle stock and 20” barrel, but they stopped production of the lowers marked AR-15A4, and now simply say “Carbine” like their 6920’s do. |
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Posted: 4/18/2021 4:38:14 PM EDT
[#5]
Quote HistoryOriginally Posted By Tengo1: My Colt AR15A4 FSB is marked “F”. FYI, Colt has continued the AR15A4 with rifle stock and 20” barrel, but they stopped production of the lowers marked AR-15A4, and now simply say “Carbine” like their 6920’s do. Lol, I see Colt’s “How do we make our product less desirable?” team is in full swing. They just can’t help themselves. I guess one could use the complete upper and remove the buttstock then sell the lower. |
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GA, USA
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Posted: 4/18/2021 5:47:00 PM EDT
[Last Edit: Fishyjoes]
[#6]
Quote HistoryOriginally Posted By pezboytate: Just depends how correct you want to be. If Colt AR15A4 URGs come back in stock, they are pretty close to being correct. They have M4 feedramps and the FSB is not marked. FN CHF barrels are nice but no FSB so pretty expensive. Appreciate the info, I'll keep an eye out for those colt uppers as well. The FN uppers on GB have m4 extensions and ramps and DTS no longer has any Saber upper kits left, there remaining stock are now being sold as completed Rifles with M16A3 markings which are too rich for me. My first attempt ended up turning into a A5 concept build with a BA nitride 20" govt barrel with a pinned ARMS foldable FSB, and DD Omega 12 rail hence the spare M5 RAS. I'm in no hurry but something tells me if I can get a CHF or Button FN Barrel, I'll have a F marked FSB pinned and call it a day. M16A3 |
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Posted: 4/18/2021 6:07:14 PM EDT
[#7]
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USA
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Posted: 4/18/2021 9:15:58 PM EDT
[#8]
Quote HistoryOriginally Posted By Fishyjoes: Appreciate the info, I'll keep an eye out for those colt uppers as well. The FN uppers on GB have m4 extensions and ramps and DTS no longer has any Saber upper kits left, there remaining stock are now being sold as completed Rifles with M16A3 markings which are too rich for me. My first attempt ended up turning into a A5 concept build with a BA nitride 20" govt barrel with a pinned ARMS foldable FSB, and DD Omega 12 rail hence the spare M5 RAS. I'm in no hurry but something tells me if I can get a CHF or Button FN Barrel, I'll have a F marked FSB pinned and call it a day. M16A3 Apex https://www.apexgunparts.com/colt-m16a4-flat-top-upper-w-carry-handle-5-56x45-nato-20inch-new.html |
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TN, USA
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Posted: 4/19/2021 3:17:32 PM EDT
[#9]
Quote HistoryOriginally Posted By js1977: Added an A1 grip (ignore the trigger, I put my geissele in my M4) https://www.ar15.com/media/mediaFiles/438461/36757F2C-4C81-47AD-8B0C-4E358180F3A2_jpe-1909879.JPG |
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Posted: 4/19/2021 5:08:29 PM EDT
[#10]
Quote HistoryOriginally Posted By retrohead2: Where's the rear BUIS? I need a gas tube to finish my A4 upper, which is on its way from jsesurplus.com.  It found its way onto my M4 as well. I have another one, but threw it on an AR pistol due to it being painted camo. Guess I need to order another one. It never ends. |
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PA, USA
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Posted: 4/24/2021 11:08:38 AM EDT
[#11]
    What do you think about my M16A5? If I decide that I like having this more than an A4 clone, I'm planning on having the lower engraved with an E5 after the M16A5 (to make it like an experimental version) and then possibly/probably an Eagle, Globe, and Anchor on the right side of the magwell. Not decided just yet though. |
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Posted: 4/24/2021 1:30:11 PM EDT
[#12]
Quote HistoryOriginally Posted By Scrapple: https://i.ibb.co/Rh42PKX/20210423-181025.jpg https://i.ibb.co/g4wLsQ9/20210423-181008.jpg https://i.ibb.co/M2Lh9Tg/20210423-185417.jpg https://i.ibb.co/RP4qJqF/20210423-185423.jpg What do you think about my M16A5? If I decide that I like having this more than an A4 clone, I'm planning on having the lower engraved with an E5 after the M16A5 (to make it like an experimental version) and then possibly/probably an Eagle, Globe, and Anchor on the right side of the magwell. Not decided just yet though. |
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LA, USA
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Posted: 4/24/2021 7:29:22 PM EDT
[#13]
Quote HistoryOriginally Posted By js1977: I prefer an M16A4 since this is a M16A4 Clone thread... |
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TN, USA
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Posted: 5/13/2021 9:09:17 PM EDT
[#14]
Is an all-black Insight M3X acceptable on an A4? Inquiring mins wanna know...
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GA, USA
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Posted: 5/16/2021 9:36:37 PM EDT
[Last Edit: Fishyjoes]
[#15]
Missed out on the complete colt A4 upper that was suggested which would have been a lot cheaper. So the more harder route it is. Making progress, got a Colt 20" Government Profile barrel, Colt delta ring assembly, and a Colt C AF marked upper receiver with no m4 feed ramps. I was hoping to find a barrel with a rifle extension but doubt I can find one at a reasonable price. Looking for a Colt F Marked FSB if they exist in the wild and will ship out to get pinned and maybe swap out the bcm carry handle for a Colt later.
Would retrorifle FSB be a good option? I've only seen F marked FSB that been removed but those are out of stock. Colt barrel and upper receiver |
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Posted: 5/24/2021 12:28:00 PM EDT
[#16]
Starting my A4... Being a poor, I can't afford no ACOG at the moment and I keep missing RAS' for sale by moments.
I'll get there, but for now: 
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SD, USA
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Posted: 5/28/2021 2:03:17 PM EDT
[#17]
Does anyone know where I can get an upper without M4 feed ramps? I have a barrel that has an F marked FSB but a rifle extension.
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Posted: 5/28/2021 3:04:46 PM EDT
[Last Edit: Combat_Diver]
[#18]
Quote HistoryOriginally Posted By Vlad_the_III: Does anyone know where I can get an upper without M4 feed ramps? I have a barrel that has an F marked FSB but a rifle extension. Aero discontinued their upper without M4 feed ramps. Someone might have some OS. CD |
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Posted: 5/29/2021 8:21:29 PM EDT
[#19]
Making progress, snagged an M5 RAS and some grip panels!
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TN, USA
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Posted: 6/1/2021 3:33:45 PM EDT
[#20]
Standard black USGI silent sling on the A4?
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Posted: 6/1/2021 4:46:07 PM EDT
[#21]
Quote HistoryOriginally Posted By Z09SS: Starting my A4... Being a poor, I can't afford no ACOG at the moment and I keep missing RAS' for sale by moments. I'll get there, but for now: https://live.staticflickr.com/65535/51192974588_8270317589_b.jpg You dont have to run an acog if you don't like them or can't find an affordable one. |
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Posted: 6/1/2021 8:56:03 PM EDT
[#22]
Quote HistoryOriginally Posted By retrohead2: Standard black USGI silent sling on the A4? Looking at real-deal pics over the years I am left with the opinion that nearly any sling will be A-OK as long as you've got the RAS, A2 stock and a flat-top. The A4 seems a lot like a retro USAF carbine. Anything goes! |
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Posted: 6/2/2021 5:48:20 PM EDT
[Last Edit: Z09SS]
[#23]
Baby steps. Got the VFG today. Not sure I care for it, but it's in a lot of pics...
 Also, it's got the Surefire I have, perhaps not the one I need or the one I deserve. 
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LA, USA
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Posted: 6/7/2021 12:18:32 PM EDT
[#24]
Two of my A4’s I put together as “twins”. They’re almost completely identical, but one has an FN barrel, while the other has a BCM, and the upper receiver and carry handle forge marks are different between the two.
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AL, USA
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Posted: 6/9/2021 8:32:14 PM EDT
[Last Edit: mckelveymx]
[#25]
New build. FN NOS M16A4 upper, PSA M16A4 lower, FN buttstock assembly and a LPK from Shark Arms, Geissele SSA, Geissele BCG, BCM charging handle (because that's what I got right now). Changed the carry handle out with a Matech. KAC broom handle on the way. What do I need for a sling? Can't find a used Acog RCO A4, would a RCO-m150 or M4 be OK? Anybody ever use anything variable opticwise?
  
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USA
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Posted: 6/14/2021 2:01:24 PM EDT
[Last Edit: anonhasguns]
[#26]
Here's my work in progress. I've got KAC rail panels, PSA A4 lower, A2 grip and an FN buttstock from shark arms on order. The surplus A1 grip/stock will be set aside for a future A1 build. |
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Posted: 6/14/2021 2:19:05 PM EDT
[#27]
Quote HistoryOriginally Posted By anonhasguns: https://ibb.co/BPHXhgv https://ibb.co/y0xqN12 Here's my work in progress. I've got KAC rail panels, PSA A4 lower, A2 grip and an FN buttstock from shark arms on order. The surplus A1 grip/stock will be set aside for a future A1 build.  Attached File Attached File |
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Posted: 6/14/2021 2:24:59 PM EDT
[#28]
Quote HistoryOriginally Posted By anonhasguns: https://ibb.co/BPHXhgv https://ibb.co/y0xqN12 Here's my work in progress. I've got KAC rail panels, PSA A4 lower, A2 grip and an FN buttstock from shark arms on order. The surplus A1 grip/stock will be set aside for a future A1 build. Hopefully you don't get one like mine. |
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TN, USA
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Posted: 6/14/2021 3:24:41 PM EDT
[#29]
An Army M16A4 has a red dot versus a USMC M16a4 with ACOG? I prefer Army.
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USA
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Posted: 6/14/2021 5:03:33 PM EDT
[#30]
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Posted: 6/14/2021 5:10:16 PM EDT
[#31]
Quote HistoryOriginally Posted By anonhasguns: Shark? Yes |
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USA
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Posted: 6/14/2021 6:03:35 PM EDT
[#32]
Bummer, hopefully I don’t get the one you returned. I’ll post some pics when I get it. Shark seems well regarded on arfcom so I went with him.
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Posted: 6/14/2021 6:14:03 PM EDT
[#33]
Yeah, used to be GTG. I got a lot of Colt receivers and BCGs from him in the past but it seems he is selling things that aren't as advertised.
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USA
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Posted: 6/15/2021 12:00:55 PM EDT
[Last Edit: anonhasguns]
[#34]
I’ll give him a shot, hopefully I’m happy with it. If not, where else could I get a surplus/clone correct A2 stock? I was looking at Numrich, might try this one if I don’t like the new production FN kit from Shark.
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Posted: 6/15/2021 12:43:45 PM EDT
[#35]
Gunbroker. Search A2 stock and similar terms. Brownell's has a new Colt one which is surely better than the commercial stuff you can get other places.
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Posted: 6/15/2021 2:45:53 PM EDT
[#36]
Quote HistoryOriginally Posted By retrohead2: An Army M16A4 has a red dot versus a USMC M16a4 with ACOG? I prefer Army. Army would have both, but yes you would see alot of aimpoints on a4s in the army. |
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Posted: 6/15/2021 6:40:32 PM EDT
[#37]
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Posted: 6/18/2021 11:02:37 AM EDT
[#38]
Quote HistoryOriginally Posted By js1977: https://www.ar15.com/media/mediaFiles/438461/0E207557-2EA5-4CC7-9AD9-D32874405351_jpe-1979712.JPG I've always wanted to do an m16a4 build, and I think I've finally gotten a start. From what I've read, this might be one of the harder parts to find. Is this larue mount the correct mount for an m16a4 with an acog, or SDO? Is there any particular reason they went with the levers on the other side? Is it so it can work together with a matech rear sight? I ask because I've had issues with larue mounts locking lever not closing due to the design of the matech buis.  Attached File Attached File |
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Posted: 6/18/2021 11:06:47 AM EDT
[#39]
Quote HistoryOriginally Posted By Dyzastr: Nice build! I've always wanted to do an m16a4 build, and I think I've finally gotten a start. From what I've read, this might be one of the harder parts to find. Is this larue mount the correct mount for an m16a4 with an acog, or SDO? Is there any particular reason they went with the levers on the other side? Is it so it can work together with a matech rear sight? I ask because I've had issues with larue mounts locking lever not closing due to the design of the matech buis. https://www.ar15.com/media/mediaFiles/471387/image_jpg-1982633.JPGhttps://www.ar15.com/media/mediaFiles/471387/image_jpg-1982634.JPG USMC = KAC 600m micro though |
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Posted: 6/18/2021 11:53:38 AM EDT
[Last Edit: Dyzastr]
[#40]
Quote HistoryOriginally Posted By pezboytate: USMC = KAC 600m micro though When Army uses the acog on their m16a4’s, which mount do they use more often? The stock trijicon mount, or larue? |
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Posted: 6/18/2021 12:16:47 PM EDT
[#41]
Quote HistoryOriginally Posted By Dyzastr: Good point. Army=matech? When Army uses the acog on their m16a4’s, which mount do they use more often? The stock trijicon mount, or larue? Quote HistoryOriginally Posted By Dyzastr: Originally Posted By pezboytate: USMC = KAC 600m micro though When Army uses the acog on their m16a4’s, which mount do they use more often? The stock trijicon mount, or larue? Just the TA51. I did use a LaRue ACOG mount on my personal rifle with the levers on the left and I had to remove the locking thing for it to clear my BUIS. It wasn't a KAC but is a similar profile. I don't know if they would have cleared on the right. |
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Posted: 6/18/2021 12:18:00 PM EDT
[Last Edit: C6H12O6]
[#42]
Quote HistoryOriginally Posted By pezboytate: USMC = KAC 600m micro though  Attached FileA U.S Marine officer assigned to Bravo Company, The Basic School, engages his target during a live-fire squad-level tactics field exercise aboard Marine Corps Base Quantico, Va., March 18, 2015. The training gave the officers the opportunity to implement the skills they had learned over the past three weeks. (U.S. Marine Corps photo by GySgt Ezekiel R. Kitandwe/ Released) And a comment from the Reddit thread: “that ACOG is using a macedon defense KRAM ACOG spacer for enhanced eye relief.” What I prefer:  Attached File |
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Posted: 6/18/2021 12:39:08 PM EDT
[#43]
Quote HistoryOriginally Posted By C6H12O6: https://www.ar15.com/media/mediaFiles/123535/F08126A9-6288-4F7C-B62A-461333CD9186_jpe-1982706.JPG A U.S Marine officer assigned to Bravo Company, The Basic School, engages his target during a live-fire squad-level tactics field exercise aboard Marine Corps Base Quantico, Va., March 18, 2015. The training gave the officers the opportunity to implement the skills they had learned over the past three weeks. (U.S. Marine Corps photo by GySgt Ezekiel R. Kitandwe/ Released) And a comment from the Reddit thread: "that ACOG is using a macedon defense KRAM ACOG spacer for enhanced eye relief." What I prefer: https://www.ar15.com/media/mediaFiles/123535/9131B7C4-AB1B-4432-9F05-0E9C54DB72E9_jpe-1982712.JPG Quote HistoryOriginally Posted By C6H12O6: Originally Posted By pezboytate: USMC = KAC 600m micro though https://www.ar15.com/media/mediaFiles/123535/F08126A9-6288-4F7C-B62A-461333CD9186_jpe-1982706.JPG A U.S Marine officer assigned to Bravo Company, The Basic School, engages his target during a live-fire squad-level tactics field exercise aboard Marine Corps Base Quantico, Va., March 18, 2015. The training gave the officers the opportunity to implement the skills they had learned over the past three weeks. (U.S. Marine Corps photo by GySgt Ezekiel R. Kitandwe/ Released) And a comment from the Reddit thread: "that ACOG is using a macedon defense KRAM ACOG spacer for enhanced eye relief." What I prefer: https://www.ar15.com/media/mediaFiles/123535/9131B7C4-AB1B-4432-9F05-0E9C54DB72E9_jpe-1982712.JPG  Attached File |
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Posted: 6/18/2021 12:46:49 PM EDT
[#44]
Quote HistoryOriginally Posted By Dyzastr: The Kram is an awesome little spacer/cantilever. So, anyone know why the larue mounts with the levers on the other side? https://www.ar15.com/media/mediaFiles/471387/image_jpg-1982730.JPG Knobs are on the right too now. Never made sense to me. |
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Posted: 6/18/2021 3:07:22 PM EDT
[#45]
Quote HistoryOriginally Posted By Dyzastr: The Kram is an awesome little spacer/cantilever. So, anyone know why the larue mounts with the levers on the other side? https://www.ar15.com/media/mediaFiles/471387/image_jpg-1982730.JPG I think I’ll have to get a KRAM now. |
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Posted: 6/18/2021 4:05:35 PM EDT
[Last Edit: LsuJon]
[#46]
If I remember correctly knobs were ordered to be moved over to the right side because it interfered w/ "slapping" the bolt catch.
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Posted: 6/18/2021 8:00:14 PM EDT
[Last Edit: Dyzastr]
[#47]
Originally Posted By C6H12O6: I think I'll have to get a KRAM now. Originally Posted By LsuJon: If I remember correctly knobs were ordered to be moved over to the right side because it interfered w/ "slapping" the bolt catch. (i know, wrong acog, wrong gun. Used for illustrative purposes only.) Were the larue lt622 ever issued with the acog? For some reason, I thought the lt622 sdo was at one point a correct one, but now I see the sdo is actually a trijicon ta11. After re-reading page one, maybe I just need the rco mount.  Attached File |
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Posted: 6/18/2021 8:45:26 PM EDT
[Last Edit: j97531]
[#48]
Does a KAC micro buy me another rail slot back versus the matech? The KAC is more correct for my rco-a4 but honestly I am thinking running no sight to get the acog where I want it..
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USA
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Posted: 6/18/2021 9:48:43 PM EDT
[Last Edit: uniform64]
[#49]
Quote HistoryOriginally Posted By j97531: Does a KAC micro buy me another rail slot back versus the matech? The KAC is more correct for my rco-a4 but honestly I am thinking running no sight to get the acog where I want it.. Yes it does. This is a G mount but its close to the regular mount 
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Posted: 6/18/2021 9:58:01 PM EDT
[#50]
Quote HistoryOriginally Posted By uniform64: Yes it does. This is a G mount but its close to the regular mount https://live.staticflickr.com/65535/51255393052_22dffd192a_h.jpg Thank you. |
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