The Heckler Koch USP Compact is a short-recoil semi-automatic pistol. Its mechanical recoil system buffers its slide and barrel lowering recoil by up to 30. This pistol features a cold hammer forged barrel with polygonal bore profile machined nitro-carburized steel slide with optional corrosion resistant blued finish fiber-reinforced polymer frame with narrow full-hand grip universal mounting grooves grooved target trigger with flared recurve guard lock-out safety and ambidextrous magazine release. The USP Compact can be converted to any of nine different firing modes.DetailsCaliber .40 SW - Capacity 12rds - Barrel 3.58 - Sights Fixed - Action DASA - Frame Black Polymer - Slide Blued Steel - Length 6.81 - Width 1.14 - Height 5 - Weight 1.71 lbs (unloaded) Additional Features - Corrosion proof fiber-reinforced polymer frame - Grooved target triggers - Polygonal bore profile for increased velocity easier cleaning and longer barrel life - Can be converted to any of nine trigger firing modes - Specially designed captive recoil spring assembly with polymer absorber bushing - Choice of corrosion resistant Hostile Environment blued finish or stainless steel slide - One piece machined slide made from nitro-carburized steel - No snag bobbed hammer - Flared recurve trigger guard - Choice of flat and extended floorplate magazines - Universal mounting grooves for installing accessories - Ambidextrous magazine release lever - Contoured extended slide release - Extractor doubles as a loaded chamber indicator - Patented Lock-Out Safety devicePart No. M704031A5, UPC 642230244771 - USP40 Compact (V1) DA/SA, safety/decocking lever on left, two 12rd magazines