Sig Sauer P322 22 Long Rifle 4in Black Anodized Pistol - 20+1 Rounds - The P322 was designed with premium features, including an optic-ready removable rear sight plate so you can easily add a ROMEOZero red dot optic without the use of adapter plates. The P322 also comes with a threaded barrel adapter making it suppressor ready right out of the box, and with its ambidextrous controls, interchangeable flat and curved triggers, and fiber optic front and rear sights the new P322 is the highest capacity, most advanced 22 pistol in its class. 20 Round Magazine Capacity Optic Ready Removable Rear Sight Plate Suppressor-Ready With Included Threaded Barrel Adapter Interchangeable Trigger Shoes (flat and curved included) Fiber Optic Front and Rear Sights Ambi Controls With Reversible Magazine Catch Magazine Loader Included Includes (2) 20rd magazines