What's the point of going 6.5x55 ai tho then having to push the shit out of it with n560 and high pressures, the barrel life will be shit and possibly hard to tune. You can go to a 6.5 saum and drive the 130s at 3150 fps from a 24" barrel at only 55k psi, the barrel will last 3k plus rounds with 2217.
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