Armscor STK150, Semi-automatic, Striker Fired, Full Size, Aluminum Frame Pistol, 9MM, 4 Barrel, PECVD Finish, Black, Fixed Sights, G10 Grip, 17 Rounds, 2 Magazines 56611 Meet the STK150: a 9MM semi-automatic pistol with a 4" barrel, ergonomic design, and lightweight build for personal defense and recreational shooting