HK

Mark 23 DA/SA, two 12rd magazines
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