Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15 M-LOK

Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15 M-LOK. 56x45mm NATO Black Nitride 15" M-LOK - The AR Complete Upper Receiver with BCG features a Mil-Spec anodized upper with 16" SOCOM profile 4150 chorme moly vanadium barrel and 15" M-LOK free-float handguard. The barrel also has a nitride finish M4 feed ramps and A2 flash hider. Specifications for Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15" M-LOK AR5CUB3: Manufacturer: AIM Sports Inc Cartridge: 5.56x45mm NATO Barrel Length: 16 - 16.99 in Barrel Twist Rate: 1-8 Finish: Black Nitride Color: Black Fabric/Material: 4150 Chrome Moly Vanadium Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15" M-LOK AR5CUB3 Aim Sports AR Complete Upper 5.56x45mm NATO Black Nitride 15 M-LOK AR5CUB3