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Posted: 1/12/2012 12:46:31 PM EDT
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I want to be able to use 2 uppers on my lower. My current upper is a Colt A1 with the 20" rifle length barrel using the standard rifle buffer.
My new upper will be a more tactical build sporting the BCM BFH 16" mid length barrel and an Adams Arms piston kit. Will i need to change buffers? I was thinking the mid length barrel will have a higher port pressure and may still cycle the heavy rifle buffer. What are your thoughts? Thanks, Mike |
| My first purchase years ago was a DI 20" bushy rifle with a standard stock. i recently purchased from Midway a AA 16 midlength piston. i have been using my original lower on the new upper. The new 16" upper is working fine with the old rifle lower. i had a couple of failure to feed issues with the first couple of magazines but after that break in period everything has been good to go. i just ordered a collapsible stock lower from PSA's that is being delivered to a local FFL this week. |
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