So I ordered a 20" rifle length upper thinking I would mate it with a lower I had sitting around for a while but now that Im thinking about it, doesnt that upper need a different buffer tube? Or is it just a different buffer?
So I ordered a 20" rifle length upper thinking I would mate it with a lower I had sitting around for a while but now that Im thinking about it, doesnt that upper need a different buffer tube? Or is it just a different buffer?
Well the a5 is out of stock everywhere I looked so, new lower it is. Hell Im gonna put a carry handle on it and go old school.
It'll work with a standard carbine stock and buffer tube. You might have to play with different buffer weights and different springs, but the basic setup will work.
http://www.bravocompanyusa.com/BCM-I...ediate-shk.htm
New lower is good too though.
There is no rule, mandate or doctrine that states what gas sytem length must be used with what reveiver extension/recoil system length.
Want to use a 14.5" carbine gas length upper with a rifle receiver extension/recoil system? Have at it.
Want to use a 20" rifle gas length upper with a carbine receiver extension/recoil system? Knock yourself out.
The only rule, mandate and/or doctrine that must be followed is to not mix and match receiver extensions with other recoil sytems' buffers and/or springs.
You want to use a carbine receiver extension/recoil system? Then you must use a carbine buffer and spring.
I believe the A5 system uses rifle recoil springs, however it still uses it's own buffers and receivers
Last edited by ColtSeavers; 05-06-16 at 21:12.
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If I agreed with you, we'd both be wrong.
The last thing I want to do is hurt you,
but it's still on my list.
I would suggest people use the search feature which not only covers the A5 but also the substitution of the correct carbine buffer and spring.
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I looked up "a5 buffer 20 rifle barrel"
I didnt find anything. Good thing I just asked here.
These three (long threads) have references to 20" barrels within.
https://www.m4carbine.net/showthread...t-it-work-with
https://www.m4carbine.net/showthread...ll-a-must-have
https://www.m4carbine.net/showthread...Stock-by-VLTOR
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