Heizer Defense's PAR1 is chambered for 223 Remington. Made of aerospace grade certified USA stainless steel, this durable, long lasting Pocket AR pistol slides in and out of your pocket and is completely snag-free. The flat design, just .7" wide, is easy to conceal and the ergonomic grip with radius edge makes it comfortable to shoot. The trigger is on roller bearings for a smooth pull, and it features a loaded chamber indicator. It comes with a cable lock and a padded canvas carrying case.