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Posted: 5/15/2021 6:32:28 PM EDT
[#1]
Finally got my M16a1 milled out today.
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GA, USA
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Posted: 5/15/2021 6:36:51 PM EDT
[Last Edit: stainlineho]
[#2]
Quote HistoryOriginally Posted By unclemoak: Finally got my M16a1 milled out today. https://i.imgur.com/Tj1ZMq9.jpg That’s freakin beautiful. Well done. Going to keep the compM2 or eventually put a 5000 on there? Also, incredible page own. |
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Posted: 5/15/2021 6:48:35 PM EDT
[Last Edit: unclemoak]
[#3]
Quote HistoryOriginally Posted By stainlineho: That's freakin beautiful. Well done. Going to keep the compM2 or eventually put a 5000 on there? Also, incredible page own. If I happen across one, I might. Otherwise the Pro works fine for a shooter. Still need to find an ARMS #02 for it. |
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TX, USA
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Posted: 5/15/2021 8:03:30 PM EDT
[#4]
Quote HistoryOriginally Posted By unclemoak: If I happen across one, I might. Otherwise the Pro works fine for a shooter. Still need to find an ARMS #02 for it. https://i.imgur.com/6h8Zsxz.jpg That's killer. If you intend to just run the PRO, then a #16a would fit the bill nicely. |
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Posted: 5/16/2021 12:30:00 AM EDT
[#5]
I may have missed this in the 49 pages but how much barrel is needed to attach an aem5?
I am wanting to put it on an old Larue stealth, 16" barrel (the old Texas 8P) and 13.2 rail if its the correct profile etc. From barrel shoulder (not including threads) to rail is 1.77" any help is greatly appreciated |
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Posted: 5/16/2021 12:56:39 AM EDT
[#6]
Quote HistoryOriginally Posted By SHTFMeister: I may have missed this in the 49 pages but how much barrel is needed to attach an aem5? I am wanting to put it on an old Larue stealth, 16" barrel (the old Texas 8P) and 13.2 rail if its the correct profile etc. From barrel shoulder (not including threads) to rail is 1.77" any help is greatly appreciated You need 2.5" from the muzzle to the beginning of the taper. |
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Posted: 5/16/2021 1:10:04 AM EDT
[#7]
thanks.
looks like there might be a rail swap in my future |
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Posted: 5/16/2021 9:57:17 AM EDT
[#8]
Quote HistoryOriginally Posted By k31user: Most likely 2.2" to the step. That would make it 5 turns too short. 2.2" to 2.3" is common. Old military screw up that keeps getting copied. You're right. It's approximately 2.2" from muzzle to step. I love CLE barrels, but unfortunately, I've had a couple of screw ups from them. I'll be getting in touch for one of the collars. |
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AL, USA
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Posted: 5/16/2021 10:09:47 AM EDT
[#9]
I’m sure this is in here but I’m building a Lafrance m16k clone with 7.5” bbl and want to use an AE suppressor what are my options and brake and collar?
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GA, USA
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Posted: 5/16/2021 10:59:56 AM EDT
[#10]
Quote HistoryOriginally Posted By svlwolf: I’m sure this is in here but I’m building a Lafrance m16k clone with 7.5” bbl and want to use an AE suppressor what are my options and brake and collar? Per Ron, the shortest barrel compatible is 11.5 with a low pro gas block. He has posted this somewhere in this thread. If this has changed, please correct me. @k31user |
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AL, USA
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Posted: 5/16/2021 11:13:15 AM EDT
[#11]
@bigbore
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Posted: 5/16/2021 1:59:39 PM EDT
[#12]
Quote HistoryOriginally Posted By svlwolf: I’m sure this is in here but I’m building a Lafrance m16k clone with 7.5” bbl and want to use an AE suppressor what are my options and brake and collar?  It can be done easily with a custom collar flush against a low pro gas block. It's silly idea for anything other than a gimmick. Even using a brake you'll turn the blast baffle inside out, but it's hard to notice when you can't get the suppressor off because the sides of the brake flared out preventing you from removing the suppressor. |
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Posted: 5/16/2021 2:24:46 PM EDT
[Last Edit: JuanPing]
[#13]
Quote HistoryOriginally Posted By SHTFMeister: I may have missed this in the 49 pages but how much barrel is needed to attach an aem5? I am wanting to put it on an old Larue stealth, 16" barrel (the old Texas 8P) and 13.2 rail if its the correct profile etc. From barrel shoulder (not including threads) to rail is 1.77" any help is greatly appreciated @SHTFMeister This is a 13" Stealth rail and 16" Bergara barrel. There is still a gap between the AEM5 and rail so the 13.2" might be worth trying. Later I can get it out and measure the gap if you're interested.  |
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NC, USA
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Posted: 5/16/2021 3:59:09 PM EDT
[#14]
Quote HistoryOriginally Posted By SHTFMeister: I may have missed this in the 49 pages but how much barrel is needed to attach an aem5? I am wanting to put it on an old Larue stealth, 16" barrel (the old Texas 8P) and 13.2 rail if its the correct profile etc. From barrel shoulder (not including threads) to rail is 1.77" any help is greatly appreciated 13" rail and 16" barrel. 13.2" might be a bit too long. 
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CA, USA
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Posted: 5/16/2021 4:33:46 PM EDT
[#15]
Quote HistoryOriginally Posted By cdholmes: You're right. It's approximately 2.2" from muzzle to step. I love CLE barrels, but unfortunately, I've had a couple of screw ups from them. I'll be getting in touch for one of the collars. I bored one out for you this morning. Email me. RonA |
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Posted: 5/16/2021 5:56:00 PM EDT
[#16]
Quote HistoryOriginally Posted By k31user: I bored one out for you this morning. Email me. RonA I shot you an email earlier this morning. Thanks again. |
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NC, USA
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Posted: 5/16/2021 9:40:04 PM EDT
[#17]
Quote HistoryOriginally Posted By cdholmes: You're right. It's approximately 2.2" from muzzle to step. I love CLE barrels, but unfortunately, I've had a couple of screw ups from them. I'll be getting in touch for one of the collars. Quote HistoryOriginally Posted By cdholmes: Originally Posted By k31user: Most likely 2.2" to the step. That would make it 5 turns too short. 2.2" to 2.3" is common. Old military screw up that keeps getting copied. You're right. It's approximately 2.2" from muzzle to step. I love CLE barrels, but unfortunately, I've had a couple of screw ups from them. I'll be getting in touch for one of the collars. So I have an 18" CL SPR barrel on order with them. I have a long collar I picked up as well as the brake. Obviously they machine top quality barrels, but also looks like some reported machining to the incorrect dimensions. Having to wait 14 weeks for the barrel, what is everyone's advice here about me contacting them to ensure everything is correct as far as making sure it's 2.5" muzzle to step? I'd rather not have to pester Ron for a custom collar as I have the long one and I feel CL should machine it to correct dimensions while they have it. |
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OH, USA
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Posted: 5/17/2021 10:30:43 AM EDT
[#18]
I got a barrel from them about a year ago and it’s been gtg, but they are great people in my experience. If you have concerns I wouldn’t hesitate to shoot them a friendly email or call.
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TX, USA
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Posted: 5/18/2021 8:54:09 AM EDT
[#19]
Man am I glad I found this thread, excise the long winded post coming. So I was lucky enough to get an AEM5, and currently have majority pieces for a Gordon clone-ish, but I’m also wanting to do another 12.5 upper for the aem5.
I’m trying to learn as much as possible about barrel profiles and collar systems, to understand what is needed. I have a Criterion 12.5 Hybrid on backorder, and wondering if anyone else has used the same, and if I should keep the order or look elsewhere, I also don’t want to email Ron yet, because I don’t have the barrel in hand to measure. Criterion has told me the hybrid has a .700 x.700 step behind the threads, and then they believe its .730 behind that, what I’ve learned so far is that the SPR collar won’t work, since it needs .750 Any and all input is appreciated guys, thanks. |
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TX, USA
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Posted: 5/18/2021 3:55:30 PM EDT
[Last Edit: jeremywills]
[#20]
Quote HistoryOriginally Posted By FrankFrmTx: Man am I glad I found this thread, excise the long winded post coming. So I was lucky enough to get an AEM5, and currently have majority pieces for a Gordon clone-ish, but I’m also wanting to do another 12.5 upper for the aem5. I’m trying to learn as much as possible about barrel profiles and collar systems, to understand what is needed. I have a Criterion 12.5 Hybrid on backorder, and wondering if anyone else has used the same, and if I should keep the order or look elsewhere, I also don’t want to email Ron yet, because I don’t have the barrel in hand to measure. Criterion has told me the hybrid has a .700 x.700 step behind the threads, and then they believe its .730 behind that, what I’ve learned so far is that the SPR collar won’t work, since it needs .750 Any and all input is appreciated guys, thanks. stainlineho and I have the same 12.5 barrel assembly from Andro Corp which turns out is a rebranded Ballistic Advantage barrel. Ron made us custom collars for them.  This barrel has the proper .700x700 step and if I remember right its .735 between the step and the .750 gas block portion of the barrel. I don't have my notes in front of me. What ever barrel you have in front of you get accurate measurements. I used some dodgy Harbor Freight calipers that translated into a ill fitting collar the first time around. Ron suggested using a micrometer which gave me the correct measurement and the second collar arrived fitting like a glove. Ron is a great guy to work with. As long as he has accurate measurements he can make you the correct collar. I got really fortunate that the back of the collar just cleared the A2 FSB bayo lug and I didn't have to shave it any. If you don't have an A2 FSB it won't be an issue. I believe I remember Ron saying 2.9 inches from the face of the muzzle to any obstruction. I think its 2.7 to where the actual taper is on the collar. Ron or if anyone else can confirm. I really wish I was at home with my notes I made in front of me. Sorry. Best of luck. |
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Posted: 5/18/2021 6:33:14 PM EDT
[#21]
Any leads on an a1 style birdcage mount?
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GA, USA
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Posted: 5/18/2021 8:06:44 PM EDT
[Last Edit: stainlineho]
[#22]
Quote HistoryOriginally Posted By FrankFrmTx: Man am I glad I found this thread, excise the long winded post coming. So I was lucky enough to get an AEM5, and currently have majority pieces for a Gordon clone-ish, but I’m also wanting to do another 12.5 upper for the aem5. I’m trying to learn as much as possible about barrel profiles and collar systems, to understand what is needed. I have a Criterion 12.5 Hybrid on backorder, and wondering if anyone else has used the same, and if I should keep the order or look elsewhere, I also don’t want to email Ron yet, because I don’t have the barrel in hand to measure. Criterion has told me the hybrid has a .700 x.700 step behind the threads, and then they believe its .730 behind that, what I’ve learned so far is that the SPR collar won’t work, since it needs .750 Any and all input is appreciated guys, thanks. Quote HistoryOriginally Posted By FrankFrmTx: Man am I glad I found this thread, excise the long winded post coming. So I was lucky enough to get an AEM5, and currently have majority pieces for a Gordon clone-ish, but I’m also wanting to do another 12.5 upper for the aem5. I’m trying to learn as much as possible about barrel profiles and collar systems, to understand what is needed. I have a Criterion 12.5 Hybrid on backorder, and wondering if anyone else has used the same, and if I should keep the order or look elsewhere, I also don’t want to email Ron yet, because I don’t have the barrel in hand to measure. Criterion has told me the hybrid has a .700 x.700 step behind the threads, and then they believe its .730 behind that, what I’ve learned so far is that the SPR collar won’t work, since it needs .750 Any and all input is appreciated guys, thanks. Originally Posted By jeremywills: stainlineho and I have the same 12.5 barrel assembly from Andro Corp which turns out is a rebranded Ballistic Advantage barrel. Ron made us custom collars for them. https://i.imgur.com/wGuAVVrh.jpg This barrel has the proper .700x700 step and if I remember right its .735 between the step and the .750 gas block portion of the barrel. I don't have my notes in front of me. What ever barrel you have in front of you get accurate measurements. I used some dodgy Harbor Freight calipers that translated into a ill fitting collar the first time around. Ron suggested using a micrometer which gave me the correct measurement and the second collar arrived fitting like a like glove. Ron is a great guy to work with. As long as he has accurate measurements he can make you the correct collar. I got really fortunate that the back of the collar just cleared the A2 FSB bayo lug and I didn't have to shave it any. If you don't have an A2 FSB it won't be an issue. I believe I remember Ron saying 2.9 inches from the face of the muzzle to any obstruction. I think its 2.7 to where the actual taper is on the collar. Ron or if anyone else can confirm. I really wish I was at home with my notes I made in front of me. Sorry. Best of luck. 12.5" FSB upper assembly from B. Kings .730 before step ( i think this is accurate, lost the email) .733 after step forgot the distance measurement. Just measure the barrel when you get it in hand, it would be a waste of time in my opinion to take the vendor's word for it. |
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TX, USA
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Posted: 5/19/2021 1:17:05 AM EDT
[#23]
Quote HistoryOriginally Posted By stainlineho: 12.5" FSB upper assembly from B. Kings .730 before step ( i think this is accurate, lost the email) .733 after step forgot the distance measurement. Just measure the barrel when you get it in hand, it would be a waste of time in my opinion to take the vendor's word for it. Damn, I am getting old lol. It was B King for this 12.5, not Anrdo corp. My bad. |
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TX, USA
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Posted: 5/19/2021 1:00:52 PM EDT
[#24]
Thanks dudes, after emailing Ron, I’m just gonna wait for barrel, and get the measurements he needs, appreciate the responses.
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Posted: 5/19/2021 10:41:42 PM EDT
[#25]
Quote HistoryOriginally Posted By Eyekahn: 13" rail and 16" barrel. 13.2" might be a bit too long. https://i.imgur.com/13MKLmp.jpg Talk to me about that upper laying on the floor. I’m digging it. Good mix of NSW recce and MK18. I think I see a collar in between the rail and can...AEM3? |
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Posted: 5/20/2021 2:15:47 AM EDT
[#26]
 For the Gordon clone |
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PA, USA
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Posted: 5/21/2021 12:21:08 AM EDT
[#27]
Quote HistoryOriginally Posted By unclemoak: Finally got my M16a1 milled out today. https://i.imgur.com/Tj1ZMq9.jpg Nice. Where did you place your markings? How did it go with Colt? I have heard they are tough to deal with in giving trademark approval? |
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OK, USA
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Posted: 5/21/2021 11:56:10 AM EDT
[#28]
Same I need a birdcage as well just like the Gordon you posted has!
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GA, USA
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Posted: 5/25/2021 10:10:31 PM EDT
[#29]
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Posted: 5/28/2021 3:40:20 PM EDT
[Last Edit: boltcatch]
[#30]
Quote HistoryOriginally Posted By FrankFrmTx: Criterion has told me the hybrid has a .700 x.700 step behind the threads, and then they believe its .730 behind that, what I’ve learned so far is that the SPR collar won’t work, since it needs .750 Any and all input is appreciated guys, thanks. Their 12.5's I've had in hand have ranged from .720 to .723. You're going to need to measure it. |
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Posted: 5/28/2021 8:07:44 PM EDT
[#31]
@k31user
I’ve had this barrel for awhile, along with an Ops 12th. I get about 3 turns on 2 different collars. Guess I’ll need a custom collar made. Let me know if there’s any other info you need.  Attached File |
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GA, USA
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Posted: 5/30/2021 3:38:24 PM EDT
[#32]
Quote HistoryOriginally Posted By SaturationTech: @k31user I’ve had this barrel for awhile, along with an Ops 12th. I get about 3 turns on 2 different collars. Guess I’ll need a custom collar made. Let me know if there’s any other info you need. https://www.ar15.com/media/mediaFiles/208887/96D2FD83-C65E-4C57-8E70-655C1B333BFF_jpe-1958749.JPG You need to measure from the step to the bare muzzle, not the shoulder. |
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Posted: 5/30/2021 8:13:02 PM EDT
[#33]
Ok. Gonna be a few months before I’m back home...
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FL, USA
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Posted: 5/31/2021 8:40:58 AM EDT
[#34]
Quote HistoryOriginally Posted By KavonTN: https://i.imgur.com/bb3MOAt.jpg 12" larue stealth getting set up for the aem5 @KavonTN Did the Larue Stealth barrel require any profiling for the collar? It’s hard to tell from Larue’s stock image if there’s any type of step that can be used before the gas journal. |
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Posted: 5/31/2021 8:49:10 AM EDT
[#35]
Quote HistoryOriginally Posted By MK3110: @KavonTN Did the Larue Stealth barrel require any profiling for the collar? It’s hard to tell from Larue’s stock image if there’s any type of step that can be used before the gas journal. Yep, Needed a step added. |
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Posted: 5/31/2021 9:01:09 AM EDT
[Last Edit: UnknownPatriot]
[#36]
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Posted: 5/31/2021 9:30:35 AM EDT
[#37]
Quote HistoryOriginally Posted By KavonTN: Yep, Needed a step added. Quote HistoryOriginally Posted By KavonTN: Originally Posted By MK3110: @KavonTN Did the Larue Stealth barrel require any profiling for the collar? It’s hard to tell from Larue’s stock image if there’s any type of step that can be used before the gas journal. Yep, Needed a step added. Interesting, my 12" Larue barrel had a step present. Granted it was only .015 IIRC, but enough that Ron could make a collar for it. |
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VA, USA
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Posted: 5/31/2021 3:55:23 PM EDT
[#38]
Is the AEM2 still available anywhere?
I know the market has been rough but definitely would like to pick one up. |
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FL, USA
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Posted: 6/3/2021 1:22:37 PM EDT
[#39]
Had a conjugal visit. |
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AZ, USA
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Posted: 6/4/2021 10:29:21 PM EDT
[#40]
Quote HistoryOriginally Posted By KavonTN: Any leads on an a1 style birdcage mount? I emailed ron for a aemb wrench and a1 mount. He had the wrenches but railscales is taking over a1 mounts. I didn’t see anything on their website yet I might not hurt to ask them. I picked up a smith vortex for prong which isn’t ideal but it is in stock. |
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PA, USA
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Posted: 6/5/2021 1:09:47 AM EDT
[#41]
Quote HistoryOriginally Posted By KavonTN: Any leads on an a1 style birdcage mount? I have an ADCO AEA1 birdcage style FH with the thread protector collecting dust. Threads are in need of some chasing around the wrench flats. PM me and I can get you some pictures and more detail if interested. |
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FL, USA
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Posted: 6/5/2021 6:45:16 PM EDT
[#42]
does anyone have the contour drawing needed for the M24 / OPS third model?
specifically need the measurement aft of the threads to the aft end of the taper |
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CA, USA
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Posted: 6/6/2021 11:16:37 AM EDT
[#43]
Quote HistoryOriginally Posted By Brandonbeezy: does anyone have the contour drawing needed for the M24 / OPS third model? specifically need the measurement aft of the threads to the aft end of the taper Send me an email and I'll send you a drawing. |
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USA
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Posted: 6/6/2021 4:10:35 PM EDT
[#44]
Ok fellas, here is a question:
I have an AEM5 on my MK-12 Mod Juan. I would like to use it on my SBR as well. I know 12.5” is do-able, just not sure how the setup would mount.... would this be compatible with the collar/brake or would I need to do the m4 collar? https://bravocompanyusa.com/bcm-standard-12-5-carbine-upper-receiver-group-nfa/ |
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TX, USA
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Posted: 6/6/2021 6:54:44 PM EDT
[Last Edit: jeremywills]
[#45]
Quote HistoryOriginally Posted By GuynamedDave: Ok fellas, here is a question: I have an AEM5 on my MK-12 Mod Juan. I would like to use it on my SBR as well. I know 12.5” is do-able, just not sure how the setup would mount.... would this be compatible with the collar/brake or would I need to do the m4 collar? https://bravocompanyusa.com/bcm-standard-12-5-carbine-upper-receiver-group-nfa/ Scroll back up a few posts and I have a picture posted of my 12.5 from B Kings firearms. stainlineho has the same upper. We took measurements of the step forward and aft and provided them to Ron for a custom perfect fit collar as seen above. You would have to do the same. 2.9 inches to any interference with the back of the collar is what I remembered Ron telling me. So you may or may not have to shave back some of the bayo lug. I got lucky and it just cleared mine. No shaving required. |
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USA
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Posted: 6/7/2021 12:40:07 PM EDT
[#46]
I saw your setup it looks outstanding! Just wanted to double check before I spend money on the upper. I’ll email Ron but I think this setup will be great.
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Posted: 6/7/2021 1:13:15 PM EDT
[#47]
The 12.5 bcm barrels I've seen dont have the step in a normal place. You would have to get a custom collar made. The one I measured was .467 to the step from the muzzle but yours may be different.
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Posted: 6/11/2021 12:15:05 PM EDT
[Last Edit: SaturationTech]
[#48]
@k31user
2nd attempt at proper measurements. Let me know if this is everything you need. Current Ops 12th is about 3 turns to tight. Looking at a custom collar when you get a free minute.  Attached FileThe 1.140 measurement is step to FSB length if needed. Appreciate it |
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GA, USA
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Posted: 6/11/2021 1:43:38 PM EDT
[Last Edit: stainlineho]
[#49]
 +  To be determined... 
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GA, USA
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Posted: 6/11/2021 1:44:11 PM EDT
[#50]
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