Ballistic Advantage BABL556020M Modern Series 5.56x45mm NATO 18″ Black QPQ Finish 4150 Chrome Moly Vanadium Steel Material Rifle Length SPR Profile with OPS 12 for AR-15

The Ballistics Advantage 18″ 5.56 SPR Rifle Length AR-15 Modern Series Barrel w/Ops 12is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish and QPQ coated M4 feed ramp extension. This barrel features a longer .750″ profile dimension necessary for proper installation of the OPS Inc 12th model collar and suppressor.