Features & System Characteristics:
- Threaded O-ring barrel with polygonal bore profile (no O-ring barrel on 9 mm variants)
- High profile target sights
- Match grade trigger (not present on 9 mm variant)
- Adjustable trigger stop (not present on 9 mm variant)
- Target sights with micrometer adjustment for windage and elevation
- One piece machined, nitro-carburized steel slide
- Can be converted to any of nine trigger firing modes
- Patented HK recoil reduction system
- Corrosion resistant “Hostile Environment” blued finish
- Corrosion proof fiber-reinforced polymer frame
- Oversized trigger guard for use with gloves
- Choice of flat and extended floorplate magazines
- 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
