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AR15.COM
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8/12/2006 1:46:48 PM EDT
I have an Oly with a .45 ACP upper, 11.5" with permanent FH. I've SBR'd it and will have it cut to 7.5".  Will a different buffer be needed?  Also, I've ordered a Gemtech Blackside for it. Will this also change the need for a different buffer? The 45 upper is strictly a blowback action and the Oly lower is a standard AR lower with a CAR stock.

Thanks for any info.
WKM
8/19/2006 8:07:03 AM EDT
[#1]
Since it is blow back, I wouldn't tink that a barrel length change would make any difference.  It doesn't with my 9mm set up.

Scott
8/19/2006 10:46:49 AM EDT
[#2]
Thanks for that info.  The buffer that came with my 45 upper actually weighed the same as one that came with a CAR stock that I bought. I just thought that the 45 buffer would weigh more.

WKM
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