Faxon Firearms Duty Series 5.56 NATO Chrome Lined 4150 CMV Carbine Length AR-15 Barrel - 14.5" - Phosphate

The Faxon Firearms Duty Series 14.5" AR-15 barrel is a carbine-length, chrome-lined component chambered in 5.56 NATO. Designed for reliability and consistent performance, it is button rifled with a 1:7 twist and features an M4 barrel extension. The barrel is constructed from 4150 CMV steel and treated with a manganese phosphate exterior for added surface durability, while the interior is chrome-lined to resist wear and fouling during extended use. A .750" gas block journal, 1/2x28 threaded muzzle, and 11-degree target crown contribute to functional compatibility and shooting precision. Each barrel is magnetic particle inspected and headspaced with PTG gauges to verify integrity. Made in the USA.

Features:

• 14.5" barrel chambered in 5.56 NATO
• 4150 CMV steel with chrome-lined bore
• Carbine-length gas system
• .750" gas block journal
• Barrel profile: M4
• 1:7 twist rate
• Manganese phosphate exterior finish
• 1/2x28 threaded muzzle with 11-degree target crown
• Magnetic particle inspected and headspaced with PTG gauges
• Made in the USA