Tisas USA Nightstalker SF-C, 1911, Semi-automatic, Steel Frame Pistol, Carry Size, 9MM, 4.25 Compensated Barrel, Cerakote Finish, Gray, Rail, Novak Sights with Tritium Front Night Sights, 10 Rounds, 2 Magazines 10100133 The Nightstalker SF is a full-size 1911 pistol with an integrated picatinny rail that comes from the factory with a long list of features that include a skeletonized hammer, SF trigger and ambidextrous safety, extended beavertail grip safety, aluminum grips and rear slide cocking serrations. Built on Tisas forged frame and slide for durability with their cold hammer forged barrels for accuracy, the Nightstalker 1911 is ready for whatever comes at you.