The new P322 was completely designed and built by SIG SAUER in New Hampshire and is loaded with premium features, including a ROMEOZero Elite direct from the factory. 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 sight / ROMEOZero Elite, the new P322 is the highest capacity, most advanced 22 pistol in its class.