Kel-Tec PR-57 5.7x28mm Optics Ready 20rd Pistol, 4" Barrel, Black Overview The Kel-Tec PR-57 is an innovative, optics-ready concealed carry pistol chambered in 5.7x28mm. Featuring a unique rotary barrel operating system and a magazine-less, top-loading design, the PR-57 delivers an ultra-slim profile while maintaining an impressive 20+1 round capacity. Weighing just 13.86 ounces unloaded, it is one of the lightest 5.7mm pistols available, making it an excellent choice for concealed carry, personal defense, and range shooting. Key Features Optics-ready slide for direct red dot compatibility Innovative top-loading, magazine-less design 20+1 round capacity Rotary barrel operating system reduces weight and felt recoil Includes two 10-round stripper clips for rapid loading Lightweight polymer frame for comfortable all-day carry Slim profile measuring less than 1" wide 4.5 lb trigger pull for consistent performance Specifications Caliber: 5.7x28mm Action: Semi-Automatic Barrel Length: 4" Overall Length: 7.16" Width: 0.937" Height: 5" Capacity: 20+1 Twist Rate: 1:7" Trigger Pull: 4.5 lbs Weight: 13.86 oz (Unloaded) Color: Black Optics Ready: Yes MPN: PR57BLKUPC: 640832010220 Applications Ideal for concealed carry, personal defense, range training, and recreational shooting. Its lightweight design, slim profile, and high-capacity configuration make it an excellent option for those seeking a modern defensive handgun chambered in 5.7x28mm. Additional Features The PR-57's unique magazine-less design allows cartridges to be loaded directly into the grip, reducing overall bulk while maintaining a full 20-round capacity. The included stripper clips make loading fast and efficient, while the rotary barrel system contributes to reduced weight and enhanced handling.