- Closed HK Short-Stroke Gas Piston System
- Semi-Automatic Operation
- 5.56 NATO (Accepts .223 Remington)
- 16.5" Medium-Contour Cold Hammer Forged Barrel
- 1:7" Twist Rate
- Six Lands and Grooves, Right Twist
- A2 Flash Hider
- Flat-Top Optics-Ready Upper Receiver
- 30-Round Magazine
- Standard AR-15 Pattern Magazine
- Magpul Polymer Pistol Grip
- Ambidextrous Safety Selector
- M-Lok Free-Float Handguard
- HK Carbine Collapsible Stock
- 7.64 lb Trigger Pull
- Overall Length: 33.90" Stock Retracted/37.68 Stock Extended
- Overall Height: 9.45"
- Overall Width: 3.07"
- Overall Weight: 8.60 lbs (without Magazine)
- Matte Black Finish