Which do you prefer? Real world BC and drop/wind differences? Ive shot lots of the Hornady out of Hornady Black which is slow but accurate, only shot federal 262 which wasnt as accurate. Sierras cost a little more, Im shooting an 18" rifle length 1:7 AR loading to mag length. Anything I should be doing specifically when reloading these bullets for an SPR type rifle? Going to load 5.56 brass and powder levels cause faster is better right?