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Posted: 1/20/2006 9:57:00 AM EDT
I'm using up some parts I have laying around and I'm lacking 3 things. A barrel, buffer spring and buffer. Have an old Colt 4 position stock and tube and am going to go with an XM177 copy - 11.5 in with the permanent attached FH to 16.5 in (dog gone local Sheriff )

What do you gurus think I should use for a buffer on this config? H, H2, H3 etc - I'm guessing a standard spring will be sufficient.

Also - was the twist rate of a "proper" XM177 1/12?

Thanks in advance
Link Posted: 1/20/2006 1:45:46 PM EDT
I think a heavy H buffer along with a new carbine spring will work great.
Link Posted: 1/20/2006 9:54:38 PM EDT
thanks Chris - appreciate the help
Link Posted: 1/20/2006 11:01:05 PM EDT
yes 1/12
Link Posted: 1/21/2006 3:13:25 AM EDT
ive got a 9mm buffer in mine left over from my 9mm carbine




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