Sig Sauer P322 22 Long Rifle 4in Stainless Steel Pistol - 10+1 - The new P322 was completely designed and built by SIG SAUER in New Hampshire and is loaded with premium features. 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. Black Polymer Grip Mod Stainless Optic Ready Slide 4in Threaded Barrel 2 10rd Polymer Magazines Adjustable Fiber Optic Sights Browse all Sportsman's Warehouse Sig Sauer P322.