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Posted: 5/8/2023 2:19:48 PM EST
[#1]
Quote HistoryOriginally Posted By Hellion-Productions: PSA is selling a bolt-less upper with mid-length gas. https://palmettostatearmory.com/psa-16-mid-length-5-56-nato-1-7-nitride-dissipator-upper-black-no-bcg-or-ch-5165449779.html Best, JBR thanks for the link. I was really wanting to mate this up with an A2 upper, so, probably should have been a bit more clear about that. Does anyone know if someone offers a barrel with a Non-F FSB or know where I can have a FSB added to a mid-length barrel? (I have not asked JT if he does this type of work yet, as i was really hoping to find a complete barrel first) |
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Posted: 5/8/2023 3:01:57 PM EST
[#2]
Quote HistoryOriginally Posted By longhunter09: Came here to post this deal. Comes with the EPT trigger and free shipping too! If they haven't shipped yet you can call them and cancel the order and then re-order the complete rifle. @9mmstephen Thanks, after I posted this I did the math and I am a little better than even so I will keep it as is. I already had the CH and premium BCG from previous sales. |
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Posted: 5/10/2023 5:17:31 PM EST
[#3]
Quote HistoryOriginally Posted By Scrapple: https://i.ibb.co/0D0tkq0/20230125-092430.jpg https://i.ibb.co/5TwMHzX/20230125-092444.jpg Retro That is seriously cool. |
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Posted: 5/10/2023 9:01:00 PM EST
[#4]
Lol thread started in 2010 and I got bit by it today. Can I use an A-1 carry handle upper with the PSA FSB or does it require an A-2?
 Attached File |
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Posted: 5/11/2023 11:20:18 AM EST
[#5]
Quote HistoryOriginally Posted By oldcatawba: Lol thread started in 2010 and I got bit by it today. Can I use an A-1 carry handle upper with the PSA FSB or does it require an A-2? https://www.ar15.com/media/mediaFiles/252051/IMG_3615_jpeg-2812726.JPG Works fine with my C7 |
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Posted: 5/11/2023 10:36:47 PM EST
[#6]
I've been interested in building a modern version for awhile - it seems like both Del Ton and Criterion offer 16" dissi barrels without the front sight post, with I believe DelTon having larger gas ports? OR a 12.5" Kino Barrel ( from KAK I believe )
Why not just buy an already completed upper? Mostly because I have a 10" Geissele handguard or a 15" handguarded Aero builder kit that I'm interested in doing this with. Would there be any advantage of doing a piston driven dissipator? |
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Posted: 5/13/2023 4:23:25 AM EST
[#7]
I can't seem to get my dissipator in a configuration that I remain happy with. I've gone fixed stock back to carbine then quad rail, to magpul hg's, back to a RAS.
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Posted: 5/13/2023 4:24:53 AM EST
[#8]
Quote HistoryOriginally Posted By HipSh0T: I can't seem to get my dissipator in a configuration that I remain happy with. I've gone fixed stock back to carbine then quad rail, to magpul hg's, back to a RAS. I think I want to put an A5 on mine because I want a lower with an A5 assembly, but I'm not sure how it'll run with the 16" bbl and rifle length gas. |
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VAT
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Posted: 5/13/2023 3:34:00 PM EST
[Last Edit: longhunter09]
[#9]
Added a Larue ACOG mount and a Magpul PRO LR BUIS.
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Posted: 5/13/2023 4:06:46 PM EST
[#10]
Quote HistoryOriginally Posted By AK-12: I think I want to put an A5 on mine because I want a lower with an A5 assembly, but I'm not sure how it'll run with the 16" bbl and rifle length gas. If it runs with a Carbine or Rifle extension on the lower, it’d probably run on an A5. Just start with A5HO with a regular BCM or Colt or whatever spring if in doubt. I didn’t catch what barrel you have? Someone said Kino: 
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Posted: 5/13/2023 6:44:58 PM EST
[Last Edit: AK-12]
[#11]
Quote HistoryOriginally Posted By 1168RGR: If it runs with a Carbine or Rifle extension on the lower, it’d probably run on an A5. Just start with A5HO with a regular BCM or Colt or whatever spring if in doubt. I didn’t catch what barrel you have? Someone said Kino: https://www.ar15.com/media/mediaFiles/563710/IMG_1476-2815699.jpg Its just a Del-ton 16" |
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Posted: 5/15/2023 3:13:41 PM EST
[#12]
Dissipator "inspired". PSA upper. Had fun with this one. Can't wait to shoot it.
Thanks for the inspiration fellas. Appreciate it.  
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Posted: 5/15/2023 4:15:41 PM EST
[#13]
Quote HistoryOriginally Posted By stoner01: Works fine with my C7 |
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Posted: 5/15/2023 6:46:44 PM EST
[#14]
Quote HistoryOriginally Posted By oldcatawba: Lol thread started in 2010 and I got bit by it today. Can I use an A-1 carry handle upper with the PSA FSB or does it require an A-2? https://www.ar15.com/media/mediaFiles/252051/IMG_3615_jpeg-2812726.JPG  This one works properly. I also used it previously in this config, and it was fine this way, too: 
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USA
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Posted: 5/17/2023 4:51:29 PM EST
[#15]
Not to turn this into a complaint thread but for those that have recently purchased PSA dissipators, anyone else having issues with the fsb being badly canted?
Mine went back for repair three days after I received it, between shipping to/from and "repair" it was gone a bit over four weeks. Appears to be same now as when it left but they sent a target and a write up saying its all good not really pleased that its still canted. Should I just get a set screw style fsb and be done? |
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Posted: 5/17/2023 5:01:06 PM EST
[#16]
Quote HistoryOriginally Posted By Badcompany079: Not to turn this into a complaint thread but for those that have recently purchased PSA dissipators, anyone else having issues with the fsb being badly canted? Mine went back for repair three days after I received it, between shipping to/from and "repair" it was gone a bit over four weeks. Appears to be same now as when it left but they sent a target and a write up saying its all good not really pleased that its still canted. Should I just get a set screw style fsb and be done? Mine was not canted too bad but I tried putting a Magpul rifle guard on it and it is a no go. |
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FL, USA
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Posted: 5/17/2023 5:09:27 PM EST
[#17]
Quote HistoryOriginally Posted By 9mmstephen: Mine was not canted too bad but I tried putting a Magpul rifle guard on it and it is a no go. Quote HistoryOriginally Posted By 9mmstephen: Originally Posted By Badcompany079: Not to turn this into a complaint thread but for those that have recently purchased PSA dissipators, anyone else having issues with the fsb being badly canted? Mine went back for repair three days after I received it, between shipping to/from and "repair" it was gone a bit over four weeks. Appears to be same now as when it left but they sent a target and a write up saying its all good not really pleased that its still canted. Should I just get a set screw style fsb and be done? Mine was not canted too bad but I tried putting a Magpul rifle guard on it and it is a no go. Mine was also canted but for what it's worth it shoots straight. I put a Troy rail on mine but it wouldn't fit and I literally had to hammer it on there. |
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Posted: 5/17/2023 5:32:03 PM EST
[#18]
I was originally concerned about it as well but mine arrived straight. First thing I looked for when I opened the box because I've read so much about it. Have you tried shooting it yet? I've seen others with the same issue but are able to make it work well. Of course I completely understand not wanting that. I wouldn't either after paying money for it.
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USA
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Posted: 5/18/2023 3:46:29 PM EST
[#19]
Quote HistoryOriginally Posted By NewCo32: I was originally concerned about it as well but mine arrived straight. First thing I looked for when I opened the box because I've read so much about it. Have you tried shooting it yet? I've seen others with the same issue but are able to make it work well. Of course I completely understand not wanting that. I wouldn't either after paying money for it. It has just been sitting on the bench, I have not shot it yet. As has been suggested I should get it out and sight it in and go from there. Function over form and whatnot, if it shoots well I probably wont worry about it anymore. |
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Posted: 5/18/2023 5:41:13 PM EST
[#20]
Quote HistoryOriginally Posted By Badcompany079: It has just been sitting on the bench, I have not shot it yet. As has been suggested I should get it out and sight it in and go from there. Function over form and whatnot, if it shoots well I probably wont worry about it anymore. That was going to be my approach if I had received one that was canted. But I got lucky. Run that bitch and see what happens. You might be good to go. |
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Posted: 5/18/2023 10:34:50 PM EST
[Last Edit: TREETOP]
[#21]
I was in the back of the safe for something else, figured I’d pull this one out.
 
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Posted: 5/19/2023 8:26:39 AM EST
[#22]
Quote HistoryOriginally Posted By TREETOP: I was in the back of the safe for something else, figured I’d pull this one out. https://www.ar15.com/media/mediaFiles/146/IMG_7767-2821468.jpg https://www.ar15.com/media/mediaFiles/146/IMG_7768-2821469.jpg You could be one of the goons in a low budget sci-fi movie with that rig. |
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Posted: 5/19/2023 10:25:18 PM EST
[Last Edit: TREETOP]
[#23]
Quote HistoryOriginally Posted By mcculver5: You could be one of the goons in a low budget sci-fi movie with that rig. Quote HistoryOriginally Posted By mcculver5: Originally Posted By TREETOP: I was in the back of the safe for something else, figured I’d pull this one out. https://www.ar15.com/media/mediaFiles/146/IMG_7767-2821468.jpg https://www.ar15.com/media/mediaFiles/146/IMG_7768-2821469.jpg You could be one of the goons in a low budget sci-fi movie with that rig. 1 of 7 glow in the dark CAV-15 MK1s made, and the only one of those 7 that was shortened to A1 length by a factory authorized CAVsmith, it might end up being a mid-budget movie instead of a low-budget one.  That's probably a $7k+ rifle to a collector, there aren't any others.
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Posted: 5/19/2023 10:49:59 PM EST
[#24]
Quote HistoryOriginally Posted By TREETOP: 1 of 7 glow in the dark CAV-15 MK1s made, and the only one of those 7 that was shortened to A1 length by a factory authorized CAVsmith, it might end up being a mid-budget movie instead of a low-budget one. That's probably a $7k+ rifle to a collector, there aren't any others.That's super cool and my comment should be taken as a compliment I love a low budget Sci fi flick. |
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Posted: 5/20/2023 2:57:48 AM EST
[#25]
Quote HistoryOriginally Posted By TREETOP: 1 of 7 glow in the dark CAV-15 MK1s made, and the only one of those 7 that was shortened to A1 length by a factory authorized CAVsmith, it might end up being a mid-budget movie instead of a low-budget one. That's probably a $7k+ rifle to a collector, there aren't any others.Quote HistoryOriginally Posted By TREETOP: Originally Posted By mcculver5: Originally Posted By TREETOP: I was in the back of the safe for something else, figured I’d pull this one out. https://www.ar15.com/media/mediaFiles/146/IMG_7767-2821468.jpg https://www.ar15.com/media/mediaFiles/146/IMG_7768-2821469.jpg You could be one of the goons in a low budget sci-fi movie with that rig. 1 of 7 glow in the dark CAV-15 MK1s made, and the only one of those 7 that was shortened to A1 length by a factory authorized CAVsmith, it might end up being a mid-budget movie instead of a low-budget one. That's probably a $7k+ rifle to a collector, there aren't any others.Were the HG's special made for this lower or were they readily available? |
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Posted: 5/20/2023 12:23:16 PM EST
[Last Edit: TREETOP]
[#26]
Quote HistoryOriginally Posted By HipSh0T: Were the HG's special made for this lower or were they readily available? As far as I know there were only a few of the A2 sets and a few of the M4 sets run, in the same time frame as the lowers. I only got the one set of A2 handguards which is how this one ended up a dissipator (I didn’t need any more 20” rifles), and I haven’t seen any for sale separately. I do remember there being a glow in the dark furniture set- ergonomic grip, M4 stock or C1 stock, and M4 or A2 handguards, but they were a very limited run as well. They did a limited run of “Electric Green” that looked similar but didn’t actually have the glow material included. My memory is foggy since that was over 20 years ago. |
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NC, USA
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Posted: 5/25/2023 11:10:29 PM EST
[#27]
Wondering if anyone can help me? I just got a PSA dissipator rifle. I was trying to install a Midwest Industries Gen 2 rifle length drop in rail but the rail won’t go in. Any ideas on how to make this work?
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Posted: 5/25/2023 11:35:03 PM EST
[#28]
Quote HistoryOriginally Posted By headlifeguard: Wondering if anyone can help me? I just got a PSA dissipator rifle. I was trying to install a Midwest Industries Gen 2 rifle length drop in rail but the rail won’t go in. Any ideas on how to make this work? Above someone said they used a hammer. I had a magpul rifle handguard and it would not fit on mine. We started cutting it to get it to fit and I said the hell with it and kept the PSA one. Putting the PSA handguard back on was a pain in the ass. On a side note I got it to the range today using a PSA carry handle rear sight and after an elevation adjustment it was dinging steel at 250 yards. Ran 70 rounds through it without any issue. |
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Posted: 5/25/2023 11:40:57 PM EST
[#29]
Quote HistoryOriginally Posted By headlifeguard: Wondering if anyone can help me? I just got a PSA dissipator rifle. I was trying to install a Midwest Industries Gen 2 rifle length drop in rail but the rail won't go in. Any ideas on how to make this work? |
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NC, USA
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Posted: 5/25/2023 11:52:38 PM EST
[#30]
Quote HistoryOriginally Posted By HighpowerRifleBrony: Won't go into the cap, or onto the barrel nut? Quote HistoryOriginally Posted By HighpowerRifleBrony: Originally Posted By headlifeguard: Wondering if anyone can help me? I just got a PSA dissipator rifle. I was trying to install a Midwest Industries Gen 2 rifle length drop in rail but the rail won't go in. Any ideas on how to make this work? I can get the front in the cap but then the rear of the rail won’t go in the delta ring |
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TX, USA
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Posted: 5/26/2023 6:17:54 AM EST
[#31]
Quote HistoryOriginally Posted By headlifeguard: Wondering if anyone can help me? I just got a PSA dissipator rifle. I was trying to install a Midwest Industries Gen 2 rifle length drop in rail but the rail won’t go in. Any ideas on how to make this work? Midwest has said their drop-in’s wouldn’t clear a low-pro gas block… |
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Posted: 5/26/2023 8:28:43 AM EST
[#32]
Quote HistoryOriginally Posted By RMN1162: Midwest has said their drop-in’s wouldn’t clear a low-pro gas block… Quote HistoryOriginally Posted By RMN1162: Originally Posted By headlifeguard: Wondering if anyone can help me? I just got a PSA dissipator rifle. I was trying to install a Midwest Industries Gen 2 rifle length drop in rail but the rail won’t go in. Any ideas on how to make this work? Midwest has said their drop-in’s wouldn’t clear a low-pro gas block… Break out the Dremel! |
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Posted: 5/26/2023 9:31:36 AM EST
[#33]
Quote HistoryOriginally Posted By HipSh0T: Break out the Dremel! Quote HistoryOriginally Posted By HipSh0T: Originally Posted By RMN1162: Originally Posted By headlifeguard: Wondering if anyone can help me? I just got a PSA dissipator rifle. I was trying to install a Midwest Industries Gen 2 rifle length drop in rail but the rail won’t go in. Any ideas on how to make this work? Midwest has said their drop-in’s wouldn’t clear a low-pro gas block… Break out the Dremel! What determines where the cap and front sight are positioned on the barrel? Is it possible PSA is not putting these forward enough? Magpul, Midwest Industries and others just don't fit on PSA Dissipators consistently. |
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Posted: 5/26/2023 6:44:44 PM EST
[#34]
Quote HistoryOriginally Posted By headlifeguard: I can get the front in the cap but then the rear of the rail won’t go in the delta ring Is the rail seating fully in the handguard retainer? Can you post some pics? I seem to recall that a couple of folks had similar trouble because the handguard retainer screw wouldn't allow the rail/handguard to seat in the retainer like it should. |
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Posted: 5/26/2023 7:22:29 PM EST
[#35]
Quote HistoryOriginally Posted By spin180: Is the rail seating fully in the handguard retainer? Can you post some pics? I seem to recall that a couple of folks had similar trouble because the handguard retainer screw wouldn't allow the rail/handguard to seat in the retainer like it should. I've seen this as well. |
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USA
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Posted: 5/26/2023 9:59:42 PM EST
[Last Edit: Ed_Victory]
[#36]
Magpul’s handguard and a KAC RAS fit my PSA Dissipator.
The RAS required removal of the handguard cap retainer screw, the Magpul MOE did not. |
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Posted: 5/26/2023 10:17:01 PM EST
[#37]
Quote HistoryOriginally Posted By Ed_Victory: Magpul’s handguard and a KAC RAS fit my PSA Dissipator. The RAS required removal of the handguard cap retainer screw, the Magpul MOE did not. I replaced mine with a button head allen screw. It may still contact a bit but I could still get it on. |
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Posted: 5/27/2023 9:26:29 AM EST
[Last Edit: HipSh0T]
[#38]
Quote HistoryOriginally Posted By SecretSquirell: I replaced mine with a button head allen screw. It may still contact a bit but I could still get it on. Quote HistoryOriginally Posted By SecretSquirell: Originally Posted By Ed_Victory: Magpul’s handguard and a KAC RAS fit my PSA Dissipator. The RAS required removal of the handguard cap retainer screw, the Magpul MOE did not. I replaced mine with a button head allen screw. It may still contact a bit but I could still get it on. I've seen some Dissipators come with a cut piece of gas tube to hold the cap as well. I've had no problems with fitting Magpul, USGI, KAC RAS, and DD Omega drop ins without modification other than removing the cut piece of tube.. |
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Posted: 5/27/2023 10:42:21 AM EST
[#39]
Quote HistoryOriginally Posted By HipSh0T: I've seen some Dissipators come with a cut piece of gas tube to hold the cap as well. I've had no problems with fitting Magpul, USGI, KAC RAS, and DD Omega drop ins without modification other than removing the cut piece of tube.. Quote HistoryOriginally Posted By HipSh0T: Originally Posted By SecretSquirell: Originally Posted By Ed_Victory: Magpul’s handguard and a KAC RAS fit my PSA Dissipator. The RAS required removal of the handguard cap retainer screw, the Magpul MOE did not. I replaced mine with a button head allen screw. It may still contact a bit but I could still get it on. I've seen some Dissipators come with a cut piece of gas tube to hold the cap as well. I've had no problems with fitting Magpul, USGI, KAC RAS, and DD Omega drop ins without modification other than removing the cut piece of tube.. That's probably a better idea than a bolt. |
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Posted: 5/27/2023 2:29:45 PM EST
[#40]
I've always just tapped in a 3/16" roll pin to align the cap.
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NC, USA
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Posted: 5/27/2023 2:43:07 PM EST
[#41]
Thank you everyone for the help, I was finally able to get the rail in
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Posted: 5/30/2023 2:08:45 PM EST
[#42]
 Just need to get another retro sling for this. Otherwise, it's done for now. |
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NC, USA
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Posted: 5/30/2023 2:41:46 PM EST
[#43]
Quote HistoryOriginally Posted By RMN1162: Midwest has said their drop-in’s wouldn’t clear a low-pro gas block… I didn’t have any issues with my MI drop ins. I also have another PSA dissy with an MI drop in quad, not pictured.  |
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Posted: 5/30/2023 4:00:52 PM EST
[#44]
Quote HistoryOriginally Posted By stoner01: https://www.ar15.com/media/mediaFiles/284414/20230530_114654-2834677.jpg Just need to get another retro sling for this. Otherwise, it's done for now. Looks great, love the retro scope. |
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CA, USA
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Posted: 5/30/2023 6:36:24 PM EST
[#45]
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Posted: 5/30/2023 7:32:07 PM EST
[#46]
Quote HistoryOriginally Posted By mrbieler: https://i.imgur.com/S3v7IrLh.jpg Vltor ARM stock. Totally underrated. I love the A1 length version. |
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Posted: 5/30/2023 7:40:25 PM EST
[#47]
Quote HistoryOriginally Posted By mrbieler: https://i.imgur.com/S3v7IrLh.jpg You must not have any facial hair. Or you're a masochist. 
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Posted: 5/30/2023 7:53:13 PM EST
[#48]
Quote HistoryOriginally Posted By SecretSquirell: You must not have any facial hair. Or you're a masochist. VLtor stocks are super underrated. I'm not a barbarian though.
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Posted: 5/30/2023 8:03:05 PM EST
[#49]
Quote HistoryOriginally Posted By AK-12: VLtor stocks are super underrated. I'm not a barbarian though. Quote HistoryOriginally Posted By AK-12: Originally Posted By SecretSquirell: You must not have any facial hair. Or you're a masochist. VLtor stocks are super underrated. I'm not a barbarian though. I rocked one for a while in the Army. But as soon as civilian life started and the beard grew, they got swapped out PDQ. |
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Posted: 6/26/2023 9:48:19 AM EST
[Last Edit: 103]
[#50]
My latest throw together. Saw the PSA upper for sale for $200, so I ordered one. They really put that barrel nut on there, lol.
Anyway, replaced the set screw in the FSB with a cut piece of gas tube. Swapped barrel to an early Colt M4 cut A2 upper. PSA M4A1 lower for the time being until I can find my old Bushmaster lower this was made for, haha. Otherwise mostly surplus parts I have had sitting around for years in boxes.  Attached File Attached File |
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