The HK Mark 23 in .45 ACP pistol gives shooters match grade accuracy without the need for hand-fitted parts common in custom-built match pistols. The HK Mark 23 is loaded with features; a threaded O-ring barrel with polygonal bore profile, match grade trigger, one piece machined steel slide, frame mounted de-cocking lever and separate ambidextrous safety lever, corrosion resistant blued finish, corrosion proof fiber-reinforced polymer frame, oversized trigger guard for use with gloves, universal mounting grooves for installing accessories, ambidextrous magazine release lever, extended slide release, extractor doubles as a loaded chamber indicator and the patented Lock-Out Safety device. This Heckler & Koch includes two 12rd magazines.