Knights Armament Company, SR-15, Mod2, Complete Upper, 556NATO, 16", Black, Upper Receiver Extending Free Floating Barrel System, Upper Receiver Assembly E3 Mod 2, SR-15, M-LOK FREE SHIPPING
- Barrel: 16.1" (40 cm) 1:7 Twist, Hammer Forged, Chrome Lined
- Caliber: 5.56 NATO
- Weight: 4.3 lbs (1.95 kg)
- Length: 25.1" (63 cm) O