Reloading RMR New JHP 124 gr 9mm, 7.3 g Accurate #7, fed small pistol primers, AOL 1.09.50 with RCBS tapered Die, S&W m2o sheild, 3" barrel - tightest group yet. Primer flat so don't think I'll be shorten AOL. Tried AOL at 1.20, 7g Accurate #7 no pressure signs on primer but group much more spread out.