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AR15.COM
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3/25/2010 7:22:34 PM EDT
I run an H2 buffer in my LMT piston.  If I switch to a DI upper do I have to change the buffer?
3/26/2010 12:31:43 PM EDT
[#1]
Probably not 99.99999% of the time.....the only way to know is to go shoot it, but more than likely it will shoot perfectly fine.
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