GLOCK 21 GEN 5 MOS
.45 ACP cal., similar to G21 Gen 4, except has Glock MOS (Modular Optic System), 4.61 in. match crown barrel w/hexagonal rifling Glock Marksman Barrel (GMB) w/less aggressive polymid traction, includes three 10 or 13shot mags., 5 ½ lb....