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Posted: 5/28/2017 7:47:57 PM EDT
[#1]
You use the carbine buffer/spring, but mines not running.. it sits in my safe until I use it.
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Posted: 5/28/2017 8:14:40 PM EDT
[#2]
Go with a h2 or h3 buffer. Ideally I'd say to have one of each and see which works better.
The other thing to consider is the a5 buffer system. It is a longer tube. Depending on the stock you use it might not close all of the way but for most that shouldn't matter. |
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Posted: 5/28/2017 10:28:47 PM EDT
[#3]
The Canadian Military.
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Posted: 5/28/2017 10:36:10 PM EDT
[#4]
Quote HistoryQuoted:
The Canadian Military. |
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Posted: 5/28/2017 10:36:11 PM EDT
[#5]
Quote HistoryQuoted:
The Canadian Military. |
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Posted: 5/28/2017 10:38:14 PM EDT
[#6]
I figured it would work. I'm more curious if it has any noticeable impact to felt recoil vs the standard rifle buffer kit set-up. I was also curious if a particular combo (standard carbine vs h2 buffer, standard vs extra power spring, etc.) works best to mimic the recoil of a more traditional rifle length set-up.
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Posted: 5/28/2017 11:16:00 PM EDT
[#7]
i built a 20" rifle gas upper for a buddy with an a5 setup , the gun shoots nice and recoil is very similar to a rifle buffer system to me.
the h6 buffer was designed for what you have in mind if you want to stick with a 7" buffer tube. i've never shot an h6 buffer setup with a 20" rifle length gas upper so i can't comment on how it feels compared to a rifle buffer system. |
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Posted: 5/29/2017 11:34:32 AM EDT
[#8]
I own a couple of 20" barreled rifles running a standard carbine buffer. No functional issues.
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Posted: 5/30/2017 9:03:32 AM EDT
[#9]
Same as above post. Rifle type upper 20" on carbine lower with carbine buffer. Never had a problem in 25 years.
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Posted: 5/30/2017 9:32:41 AM EDT
[#10]
I'm sure there should be no functional issues, I just wonder if the rifle buffer isn't smoother shooting due to the longer spring. The laws of physics, I believe, would indicate that the longer spring will dampen the recoil impulse by spreading it over a longer mass, but what I don't know is if it is a perceptible amount.
I'm trying to build a low budget yet super soft shooting AR. I can't afford a lightweight BCG or anything fancy, but a rifle buffer assembly is easily affordable. |
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Posted: 5/30/2017 1:27:15 PM EDT
[#11]
24" 6.5G/rifle length gas/ whatever basic carbine spring, worked fine. Have a T3 buffer in it currently.
Also use the lower for a 18" .223/rifle gas. .223 uses 45gr to 90gr bullets 6.5g uses 90gr to 147gr bullets. |
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Posted: 5/30/2017 8:12:53 PM EDT
[#12]
The answer is the VLTOR A5 system (which has a proprietary receiver extension tube and buffer lengths), and if not then the H6 buffer. Check out the H6 system at Damage Industries
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Posted: 5/31/2017 1:52:45 PM EDT
[#13]
I've got a 20" that was mated to a carbine lower.
The lower had a typical carbine buffer and spring and I didn't experience any problems in that configuration. However at no point did it "run" let alone walk or crawl. |
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Posted: 5/31/2017 5:06:38 PM EDT
[#14]
Quote HistoryQuoted:
The lower had a typical carbine buffer and spring and I didn't experience any problems in that configuration. However at no point did it "run" let alone walk or crawl.  Thanks for all the input fellas.
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Posted: 5/31/2017 5:13:06 PM EDT
[#15]
My SA20 came with an H2 buffer:
Bottom is the SA20 lower. Pretty sure the work rifle also uses an H2 but I'll have to check that next time I get a chance.....now I'm curious because I've never really paid any attention to that. |
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Posted: 6/7/2017 6:26:02 PM EDT
[#16]
Quote HistoryQuoted:
My SA20 came with an H2 buffer: https://3.bp.blogspot.com/-y1pCtaq39iA/V8TSqirsN7I/AAAAAAAAjnE/FbkW-hcfEjwUydOhQVS3SwKj61E33gb8gCPcB/s1600/P8290046.JPG http://2.bp.blogspot.com/-BEjLbc5Yf8E/VB0HYX5aGpI/AAAAAAAAU7U/_7lJoZmewHs/s1600/P9195139.JPG http://1.bp.blogspot.com/-9lT1gYYxxmo/VB3ERrkbK-I/AAAAAAAAU90/7Gv072bCXAo/s1600/P9205164.JPG Bottom is the SA20 lower. Pretty sure the work rifle also uses an H2 but I'll have to check that next time I get a chance.....now I'm curious because I've never really paid any attention to that. |
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Posted: 6/8/2017 9:42:40 PM EDT
[#17]
So...
A question... Is a standard carbine buffer system 100% reliable with a rifle upper? I'm curious about slapping an A2 upper on a carbine lower. |
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