AR-10 .308 18" Heavy Barrel – Parkerized, 4150 CMV, 1:10 Twist

.308 Win

AR-10 .308 18" Heavy Barrel, 4150 CMV, 1:10 Twist, Parkerized, Mid-Length Gas

This AR-10 18" Heavy Barrel in .308 Winchester is designed for strength, durability, and superior accuracy. Crafted from 4150 chrome moly vanadium steel, this barrel features a parkerized finish for enhanced corrosion resistance and a classic matte black appearance.

The heavy barrel profile increases rigidity and heat resistance for sustained shooting sessions, while the 1:10 twist rate stabilizes a wide range of .308 projectiles. Outfitted with a mid-length gas system and .750 gas block journal, this barrel delivers reliable cycling and consistent performance in any AR-10 platform.

Barrel Specifications:

• Caliber: .308 Winchester

• Length: 18"

• Profile: Heavy Barrel

• Material: 4150 Chrome Moly Vanadium Steel

• Finish: Parkerized

• Twist Rate: 1:10

• Gas System: Mid-Length

• Gas Block Diameter: .750

• Thread Pitch: 5/8x24 TPI

• Feed Ramp: AR-10

• Fluting: None

• Weight: 2.8 lbs

• Platform: AR-10 / LR-308

• Made in the USA