Sig Sauer P365, Striker Fired, Semi-automatic, Polymer Frame Pistol, Sub-Compact, 380 ACP, 3.1 Barrel, Nitron Finish, Black, SIGLITE Day/Night Sights, 2 Magazines, 10 Rounds, Optics Ready 365-380-BSS The P365 is striker-fired, with the clean crisp trigger pull you expect from a SIG. Lightweight and easy to conceal, the P365 is chambered in 380. Included standard are XRAY3 Day/Night sights, a 10-round flush fit magazine, and a 10-round extended magazine.