IWI US MASADA Tactical 9mm Luger 10+1, 4.6" Black Button Rifled/Threaded Steel Barrel, Black Optic Ready/Serrated Steel Slide, Black Polymer Frame w/Picatinny Rail, Black w/Interchangeable Backstrap Grip, Trigger Safety, Ambidextrous IWI MASADA polymer frame striker-fired pistol features a low profile threaded 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; 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, thread protector, four adapter plates (RMR, Venom, Delta Point and Romeo1) and three interchangeable wrap around back-straps.