The Heckler Koch Mark 23 is a short-recoil semi-automatic pistol used by USSOCOM. The Mark 23 features a 5.87 barrel with polygonal bore machined steel slide with extended release fiber-reinforced polymer frame corrosion resistant blued finish recoil reduction system match grade trigger with oversized guard ambidextrous magazine release lock-out safety device and loaded chamber indicator. This pistol can be carried cocked and locked and may be fitted with a suppressor. As the Mark 23 is designed for offense it is intentionally designed heavier (39.36 oz) for accuracy retention.DetailsCaliber .45 ACP - Capacity 12rds - Barrel 5.87 - Sights Fixed - Action DASAFrame Black Polymer - Slide Blued Steel - Length 9.65 - Width 1.54 - Height 5.9 - Weight 2.43 lbs (unloaded) - Additional Features Threaded O-ring barrel with polygonal bore profile - Match grade trigger - One piece machined steel slide - Frame mounted decocking lever and separate ambidextrous safety lever - Can be carried cocked and locked in single action mode with the safety lever on - Patented HK recoil reduction system - 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 - Patented Lock-Out Safety device