This 5.56 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 and Specifications:
- Length: 18"
- Material: 4150 Chrome Moly Vanadium
- Profile: SPR Rifle Barrel With Ops 12 Profile
- Finish: Bead Blasted QPQ Corrosion Resistant
- Twist Rate: 1:7 inches
- Gas System Length: Rifle-Length
- Gas Block Journal: .750"
- Muzzle: 1/2x28 Threaded
1 Review
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Ballistic advantage barrel
Great quality
