This 5.56 NATO chambered 18 inch Modern Series Barrel is 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. Features : 4150 Chrome moly vanadium SPR profile QPQ finish Rifle-length gas system 1:7 twist
Specifications
- Caliber: 556NATO
- Barrel Length: 18"
- Type: Barrel
- Model: Modern Series
- Finish: Bead Blasted
- Color: Black
- Subcategory: Rifle Barrels
- Type of Barrel: 1:7
Ballistic Advantage | MPN: BABL556020M | UPC: 819747020147