Diamondback Firearms OEM Replacement Barrel FN Herstal M16 5.56x45mm NATO 16in Medium/M4 Profile Carbine-Length 1-8 Twist 1/2 x 28 Thread 4150 CrMov

Diamondback Firearms OEM Replacement Barrel FN Herstal M16 5.56x45mm NATO 16in Medium/M4 Profile Carbine-Length 1-8 Twist 1/2 x 28 Thread 4150 CrMov. 56x45mm NATO 16" Black – Specifications for Diamondback Firearms OEM Replacement FN Herstal M16 Barrel: Manufacturer: Diamondback Firearms Finish: Nitride Barrel Profile: Medium Gas System Length: Carbine Length Additional Features: 1-8in. Twist Length: 16 in Diamondback 556C16MF50B8R OEM Replacement (M4 Contour) 5.56x45mm NATO 16" Black Diamondback Firearms 556C16MF50B8R: OEM Replacement Barrel FN Herstal M16 5.56x45mm NATO 16in Medium/M4 Profile Carbine-Length 1-8 Twist 1/2 x 28 Thread 4150 CrMov Black Nitride