Uses a very reliable locked breech and tilt barrel system, providing a more compact and lighter weight system. Stainless steel barrel. Pistol adapts to different hand sizes easily with interchangeable backstraps (included). Ambidextrous manual safety lever is positioned on both sides of the slide for easy access by all shooters. Standard Picatinny Rail (MIL-STD-1913) allows for an array of after-market accessories.