Centurion MK11 308WIN Stainless 20" Barrel - MK11-308WIN-20

Centurion Arms MK11 .308 WIN Stainless Steel Barrel

Take your AR-10 platform to the next level with the Centurion Arms MK11 .308 WIN Stainless Steel Barrel—a precision-engineered barrel designed for superior accuracy, durability, and performance.

Crafted from high-quality 416R stainless steel, and hand lead lapped, this barrel ensures exceptional precision and consistency, making it an ideal choice for long-range shooting, hunting, and tactical applications. It features a rifle-length gas system for smooth cycling and reduced recoil, enhancing both reliability and shooter comfort.

Available in multiple lengths, the MK11 barrel is optimized for .308 Winchester, offering excellent ballistic performance while maintaining compatibility with standard DPMS-pattern AR-10/LR-308 rifles. The 1:10 twist rate provides excellent stability for a wide range of bullet weights, maximizing accuracy for both match-grade and hunting ammunition.

Key Features:

• 416R Stainless Steel Construction – Corrosion-resistant and heat-treated for durability
• Rifle-Length Gas System – Enhances reliability and smooth recoil impulse
• 1:10 Twist Rate – Optimized for precision shooting with various .308 WIN loads
• Threaded Muzzle (5/8×24) – Ready for suppressors or muzzle devices
• Optimized for MK11/AR-10 Platforms – Compatible with DPMS-pattern rifles

Whether you’re a competitive shooter, hunter, or tactical professional, the Centurion Arms MK11 .308 WIN Barrel delivers the performance and reliability you need to hit your mark every time. Upgrade your rifle today!

SPECS

Material: 416R Stainless Steel

Caliber: .308 Winchester

Finish: Machined Stainless Steel

Rifling: 5R, button rifled, hand lead lapped

Twist Rate: 1:10 RH

Gas System: Rifle Length

Threaded Muzzle: 5/8×24

Gas Block Journal: .875

Gas Port .094