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. Features(3) 20 Round MagazinesOptic Ready Removable Rear Sight PlateSuppressor-Ready With Included Threaded Barrel AdapterInterchangeable Trigger Shoes (flat and curved included)Fiber Optic Front and Rear SightsAmbi Controls with Reversible Magazine CatchMagazine Loader IncludedIncludes Ambi IWB/OWB Holster