Description
This Upper Features: – 18 Straight Flute Barrel – 1:9 Twist Rate – 1/2-28RH Threading – A2 Flash Hider – LAR Alexander Arms Branded Hand Guard – Standard Charging Handle – Blowback Operating System – Black Anodized Finish – Two 10-round magazines – Parts Kit for Lower Conversion Included – Weight of upper is 4.5 pounds
