M-A1 SERIES
.357 SIG (M357 A-1, disc. 2013), 9mm Para. (M9 A-1), or .40 S&W (M40 A-1) cal., DAO, SFO, updated Model M with Picatinny rail on lower front of frame, redesigned grip frame, 1/2 (not available in .357 SIG cal., disc.), 4, or 4 1/2 (thre...