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Post by bravo5two on Feb 13, 2012 4:23:28 GMT -8
3200 fps for a 77 gr is just not attainable IMO, even in compressed powder load. Anyway, the post was about getting a 1:7 18" SPR clone. I have one by WOA in 1:7, not bad but I wasn't looking to build an SPR clone, just a decent 18". For all practical purposes, the 1:8 will do anything the 1:7 is supposed to.
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Post by fastex500 on Feb 27, 2012 12:07:05 GMT -8
I've been hunting for a barrel to replicate a mk12 for long range competition, and I agree that 1-8 is plenty for up to 80gr... And anything over 2900fps in a 75+gr is 22-250 range.
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