KAK Industry OE-SPEC 14.5" Chrome Lined 5.56 NATO Barrel - Mid-Length Gas

KAK Industry OE-SPEC 14.5" Chrome Lined 5.56 NATO Barrel - Mid-Length Gas

When your AR-15 build demands uncompromising reliability and smooth shooting, the KAK Industry 14.5" 5.56 NATO barrel delivers. Fully made in-house from KAK’s own 41V50 Chrome Moly Vanadium blanks, this barrel is engineered to endure high-volume use while maintaining tight tolerances and consistent accuracy. With a chrome-lined bore and chamber, phosphate coating, and mid-length gas system, it’s built for shooters who expect more from their gear.

Every barrel is air gauge inspected for bore precision and headspace-verified using calibrated gauging—ensuring flawless performance right out of the box. Whether you're building a duty rifle, tactical setup, or range-ready AR, this American-made barrel offers the durability, craftsmanship, and smooth operation you can trust.

Chrome-Lined Bore & Chamber
Enhances barrel life, corrosion resistance, and cleaning ease under heavy use.

Phosphate-Coated Exterior
Provides a rugged, matte-black finish that resists wear and environmental damage.

Mid-Length Gas System
Optimizes recoil impulse and cycling reliability for smoother shooting.

41V50 Chrome Moly Vanadium Steel
Premium alloy ensures strength, heat resistance, and long-term durability.

M4 Feed Ramps
Improves feeding reliability across a wide range of ammunition types.

Dimpled for Gas Block Set Screw
Simplifies installation and ensures secure gas block alignment.

Made In-House
Manufactured entirely by KAK Industry from their own blanks for full quality control.

Air Gauge & Headspace Inspected
Guarantees precise bore dimensions and safe chamber fit.

Specifications

• Caliber: 5.56 NATO
• Barrel Length: 14.5 inches
• Gas System: Mid-Length
• Gas Block Size: .750 inches
• Twist Rate: 1:7
• Threads: 1/2 × 28 TPI
• Material: 41V50 Chrome Moly Vanadium
• Finish: Phosphate Coated
• Bore & Chamber: Chrome-Lined
• Extension: M4 Feed Ramps
• Compatibility: AR-15 Platforms
• Color: Black
• Weight: 27.2 oz