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Posted: 6/13/2024 6:37:03 PM EDT
[#1]
For the couple rifle length uppers I've got on collapsible lowers, I just use a regular spring and an H1 buffer and have never had an issue.
The only brand I've ever not liked is Aero's buffer tube, its a little shallower than others. |
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Posted: 6/13/2024 6:48:24 PM EDT
[#2]
I did a Canadian inspired rifle and used a Vltor A5 stock seems to work ok. I've only put @200 rounds though it so no long term reports. If I was going to do it again I would probably just use a regular carbine length set up.
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Posted: 6/13/2024 6:51:36 PM EDT
[#3]
Well I can’t see that Vltor has all the needed parts in stock right now for the B5.
Sent a email to BCM asking suggestions. |
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Posted: 6/13/2024 8:00:56 PM EDT
[#4]
If I get a chance this weekend I'll put my 20" on an older carbine lower and report back.
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Posted: 6/13/2024 8:43:11 PM EDT
[#5]
G2g. Seems BCM has a “intermediate” length buffer tube (3/4” longer than carbine) and it uses a rifle length spring and intermediate length buffer. Pretty much a B5 made by BCM…and in stock.
Now for the email reply advising the best buffer weight. |
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Posted: 6/13/2024 10:54:09 PM EDT
[#6]
Standard CAR spring, H2 buffer.
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Posted: 6/14/2024 8:29:39 AM EDT
[#7]
Item: SLIDING BUTTSTOCK CONVERSION KIT
NSN: 1005-01-569-6938 The military used the H6 buffers when converting 20" A2 or A4 to collapsible stocks. |
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Posted: 6/14/2024 12:56:59 PM EDT
[#8]
Quote HistoryQuoted: Item: SLIDING BUTTSTOCK CONVERSION KIT NSN: 1005-01-569-6938 The military used the H6 buffers when converting 20" A2 or A4 to collapsible stocks. This is the correct answer, H6 |
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Posted: 6/15/2024 2:16:05 PM EDT
[#9]
Resolved. Thank you all for the input. Went with the BCM MkII (vltor B5 system copy). Way better than the musket length A2 stock. Piles brass at 4oclock in a neat pile. The whole feel has changed for the better.
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Posted: 6/16/2024 5:47:10 AM EDT
[#10]
Quote HistoryQuoted: Item: SLIDING BUTTSTOCK CONVERSION KIT NSN: 1005-01-569-6938 The military used the H6 buffers when converting 20" A2 or A4 to collapsible stocks. H6 was only required for reliable burst/auto. If only shooting semi, H or H2 is sufficient enough. |
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Posted: 6/16/2024 6:16:24 AM EDT
[#11]
Quote HistoryQuoted: For the couple rifle length uppers I've got on collapsible lowers, I just use a regular spring and an H1 buffer and have never had an issue. The only brand I've ever not liked is Aero's buffer tube, its a little shallower than others. This. When I swapped out on my A4 I just used whatever tube, spring, and buffer I had laying around. I |
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Posted: 7/10/2024 7:42:19 PM EDT
[#12]
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Posted: 7/11/2024 9:05:20 PM EDT
[#13]
Quote HistoryQuoted: Full-stocked carbines are handy. https://www.ar15.com/media/mediaFiles/6163/A2g_jpeg-3262981.JPG Just sayin'. |
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