Luth-ar BL-F14-7C 5.56mm 14.50" Chrome Lined Manganese Phosphate CMV

The Luth-Ar BL-F14-7C is a 5.56mm rifle barrel built for shooters who demand durability and reliability in a compact form. At 14.50 inches, this chrome-lined barrel strikes a balance between maneuverability and velocity, making it well-suited for AR platform rifles used in home defense, tactical training, or close-quarters work. The chrome lining extends barrel life by resisting corrosion and handling repeated shot strings without degradation, while the manganese phosphate finish provides a robust, non-reflective surface that has proven itself across generations of military and civilian use.

Built from CMV (Chrome Moly Vanadium) steel, this barrel combines strength with reliable performance across standard 5.56mm loadings. The chrome-lined interior is a practical choice if you plan to run your rifle hard and clean it less frequently—the protective layer means you can delay bore maintenance without sacrificing accuracy or barrel longevity. Whether you're upgrading an existing rifle, building a new upper receiver, or stocking a spare, this is straightforward, no-nonsense hardware.

Luth-Ar barrels are manufactured with the kind of attention to detail that matters when precision and durability are non-negotiable. This 14.50-inch profile works well in short-barreled AR builds where compact overall length matters without sacrificing the stiffness you need for consistent shooting.

Key Features

• 14.50-inch length—compact profile for AR builds and short-barreled rifles
• Chrome-lined bore and chamber—extends service life and resists corrosion
• CMV (Chrome Moly Vanadium) steel construction—proven strength and durability
• Manganese phosphate finish—non-reflective, protective surface coating
• 5.56mm/.223 Remington compatible

Specifications

Frequently Asked Questions

Will this barrel work with my AR-15 upper receiver?

Yes—the BL-F14-7C is a standard 5.56mm barrel designed for AR platform rifles. It will function with any standard AR-15 upper receiver assembly.

What is CMV steel, and why does it matter?

CMV (Chrome Moly Vanadium) is a steel alloy known for strength and fatigue resistance. It's the industry standard for rifle barrels because it reliably handles repeated firing stresses without failure.

Why is chrome lining important on a rifle barrel?

Chrome lining protects the bore from corrosion and erosion, extending the functional life of the barrel. It's especially valuable if you shoot frequently or don't clean your rifle immediately after use.

Is this barrel suitable for a short-barreled rifle (SBR) build?

Yes—at 14.50 inches, this barrel is commonly used in short-barreled AR configurations where compact length is desired without excessive loss of velocity.