Heizer Defense's PS1 is chambered for 45 Colt or .410 gauge shotshell (2.5"). Made of aerospace grade certified USA stainless steel, this durable, long lasting Pocket Shotgun pistol slides in and out of your pocket and is completely snag-free. The flat design, .7" wide, is easy to conceal and the ergonomic grip with radius edge makes it comfortable to shoot. It has a shell/casing extractor for fast tactical reloads, and the trigger is on roller bearings for a smooth pull. The frame includes a storage compartment to hold two extra 45 Colt rounds. It comes with a cable lock and a padded canvas carrying case.