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55 gr

  1. FN FS2000
    I've started comparing 55 gr vs. 77 gr performance in my FS2000. The 55 gr I am using for comparison is PMC X-TAC. The 77 gr is Black Hills OTM. The 77 gr groups much better, 1/2 to 3/4 overall group size of the 55 gr at 100 yds, but I have been surprised that the 77 gr shoots about 4 in...