Apr 13, 2018 · The M9A3, however, does come with the 17-round magazines. The recoil spring is not, however, fully captured. The tale of the tape? The only differences are the M9A1 weighs 33.9 ounces, and lists for $750 MSRP. Otherwise, everything else is the same. Beretta 92A1 vs M9A1: Do The Differences Matter That Much? Beretta M9A3 G Version (decock only). Beretta USA 92 M9A3 G SA/DA 9mm 5.2 in TB 17+1 NS Poly Grip Based on military feedback, Beretta has designed another member of the M9 family, the M9A3 9mm pistol. The M9A3 delivers all of the critical features that today's combat professionals require in demanding environments.