5.56x45mm NATO Barrel Parts

Ar-15/M16 Hbar Rifle Barrels - 20'''' Hbar Rifle Barrel W/ Headspaced Bolt

Ar-15/M16 Hbar Rifle Barrels - 18'''' Hbar Rifle Barrel W/ Headspaced Bolt

Ar-15 Performance Series Barrels Mid-Length - Ar-15 13.9'''' Barrel Mid-Length Button Rifled 416 Ss

Ar-15 Performance Series Barrels Mid-Length - Ar-15 16'''' Barrel Mid-Length Button Rifled 416 Ss

Ar-15 Modern Series Barrels 5.56mm - Ar-15 Modern Series 10.3'''' Carbine Barrel Gov'T