What's in the Box Keltec PR57 5.7x28mm Pistol (2) 10 Round Stripper Clips Optic Plate Owner's Manual The KelTec PR57 is a conceal?ed ?carry pistol chambered in 5.7x28mm that utilizes a rotary barrel and stripper clips, instead of magazines to achieve a compact, ultra lightweight body that still holds 20 rounds in the grip. It s simple to operate with minimal controls for high stress situations, and features the quickest fieldstrip of any pistol for effortless maintenance. ?T?he KelTec PR57 is the perfect everyday carry for everyone. Firearm Features Magazine-less: The top-loading design makes the frame profile slim and compact. 20 rounds fit into the grip of the gun which can be manually inserted one at a time, or by using two of the provided 10-round stripper clips for a quick speed load. Lightweight: The PR57 s innovative rotary barrel design sets it apart not only in appearance, but by dramatically reducing it s overall weight. This pistol is nearly 40% lighter than the next lightest 5.7mm pistol on the market. Simplicity: Its design is not just unique, it s practical. Fine motor skills are greatly diminished in high-stress situations. The PR57 focuses on a minimalistic approach that reduces room for error. Firearm Specifications Manufacturer: Keltec Model: PR57 Caliber: 5.7x28mm Barrel Length: 4.64" Overall Length: 7.16" Twist Rate: 1:7" Finish: Black Sights: Open Notch Grips: Black Textured Magazine Capacity: 20+1 Trigger Pull: 4.5 lbs. Weight: 13.86 oz.