Sig Sauer 322 Coyote, Semi-automatic, Single Action Only, Polymer Frame Pistol, Full Size, 22LR, 4 Barrel with Thread Adapter, Manual Safety, Coyote, Optic Ready Slide, Fiber Optic Front and Rear Sight, 20 Rounds, 2 Magazines 322C-CAS The P322 was completely designed and built by SIG SAUER in New Hampshire and is loaded with premium features, including an optic-ready removable rear sight plate so you can directly mount a ROMEOZero Elite red dot optic. The P322 also comes with a threaded barrel adapter making it suppressor-ready right out of the box. Additional features include ambidextrous controls, interchangeable flat and curved triggers, and fiber optic front and rear sights.