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4/8/2007 10:28:29 AM EDT
have a 7.62x39 upper.  what rating/weight should the buffer spring be for best performance?

thanks for the help.
4/9/2007 1:49:57 PM EDT
[#1]
Colt used the same buffer spring and buffer for both the 7.62x39 and 5.56 pieces. There ain't no difference.
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