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Match-quality 18in barrel feature Nitromet salt bath nitride to give them maximum wear resistance and durability that standard barrel finishes just cant match. Barrel has a Nitromet nitrided bore treatment for longer life than chrome without affecting accuracy. Barrels are made of, 4150 CrMoV, chambered for .308 Winchester, button rifled with 1-10 twist rifling, and machined to a light or standard medium weight exterior profile. Gas port drilled for a mid length gas system, .750in diameter at the gas block. 5/8in-24 threads on the muzzle end. Comes with a NiB-X coated barrel extension installed to help the bolt unlock exceptionally smoothly, especially when used with a WMD NiB-X coated bolt and complete BCG (available separately).![]()
| Manufacturer: | WMD Guns |
| Color: | Black |
| Finish: | Nitride |
| Caliber: | .308 Winchester |
| Barrel Length: | 18 in |
| Gas System Length: | Mid Length |
| Gas Block Journal Size-Diameter: | .750 in |
| Barrel Twist Rate: | 1-10 |
| Barrel Material: | 4150 Chrome Moly Vanadium |
| Gun Make: | AR Platform |
| Gas System Type: | Blowback |
| Gun Type: | Rifle |
| Firearms Threads Per Inch: | 5/8x24 |
| Projectile Caliber: | .308 Caliber |