IWI US MASADA Full Size 9mm Luger 17+1, 4.10" Black Threaded Barrel, Black Optic Ready/Serrated Steel Slide, OD Green Polymer Frame w/Picatinny Rail, OD Green w/Interchangeable Backstrap Grip, Ambidextrous IWI MASADA polymer frame striker-fired pistol features a low profile barrel for reduced perceived recoil; fully ambidextrous controls; enhanced ergonomics; deep beavertail; built-in trigger safety, the pistol will not fire unless the trigger is pulled; threaded barrel; large trigger guard for use with or without gloves; enhanced grip texture which enables faster follow-up shots in all conditions and fully ambidextrous operating slide stop lever and magazine release. Includes two magazines, four adapter plates (RMR, Venom, Delta Point and Romeo1) and three interchangeable wrap around back-straps.