Criterion Barrels 18″ .308 M118 Hybrid Phosphate/Chrome-Lined Midlength Barrel

Our .308 AR match grade barrels feature the M118 LR match chamber that is compatible with both 7.62×51 NATO and .308 Win ammunition and is optimized for heavier, longer bullets. The versatility of this barrel allows it to be used in a variety of applications from competition and tactical uses to hunting applications.

Our most popular configuration, the Hybrid contour is a mid-weight barrel that offers a perfect balance between weight and intelligently distributed barrel material for excellent heat absorption and consistent harmonics. This barrel can be easily carried in the field all day but will also provide exceptional performance even under extreme use and high rates of fire.

FEATURES

• DPMS compatible
• Chrome-lined internally for superior barrel life and corrosion resistance. Our chrome-lining process is the most refined in the industry and will not degrade accuracy.
• Honed and hand-lapped rifling for bore uniformity and a pristine internal finish – aids in barrel cleaning and paramount for accuracy
• Finely polished chambers for reliable extraction and feeding
• Mid-length gas system compatible with AR15 gas tube system
• Gas hole tuned for proper function with and without suppressor
• 0.750” Gas Block, dimpled for ease of installation and lock-up
• 5/8-24 TPI muzzle threads compatible with a wide range of muzzle devices and suppressors
• Precision-machined barrel extension for M4 feed ramps