7.5" 5.56 NATO Complete Barrel Assembly

7.5" 5.56 NATO Complete Barrel Assembly

Build or upgrade your short-barrel AR-15 or pistol setup with the 7.5" 5.56 NATO Complete Barrel Assembly. Engineered for ultimate reliability and extreme maneuverability, this all-in-one barrel system comes pre-assembled with every key gas and muzzle component required for a smooth drop-in installation.

Crafted from high-grade materials and finished with durable Black Nitride for maximum wear and corrosion resistance, this assembly delivers consistent performance, positive feeding, and smooth cycling under heavy use.

Component Specifications:

7.5" AR-15 5.56 NATO Barrel

• Material & Finish: 4150 Chrome Moly Vanadium Steel with Black Nitride finish
• Profile & Twist: Light Heavy Barrel (HBar) profile with 1:7 twist rate for stabilizing a wide range of bullet weights
• Feed Ramps: Precision M4 feed ramps for reliable chambering
• Gas & Threading: Pistol-length gas system, .750 gas block platform, and standard $1/2\times 28$ thread pitch
• Details: Spiral engraved markings near the muzzle break

A2 Birdcage Flash Hider (5.56 NATO)

• Design: Standard A2 Birdcage style ($1\text{ }3/4''$ length) with crush washer included
• Construction: Machined from high-strength tool steel with a protective Black Oxide finish
• Threading: 1/2\times 28 thread pattern

Pistol Length Gas Tube

• Origin: Made in the USA
• Material & Finish: Mil-Spec 304 Stainless Steel with Black Nitride coating
• Hardware: Stainless steel roll pin included

AR-15 / AR-10 .750 Low-Profile Gas Block

• Design: Sleek, minimal-profile gas block designed to fit under extended-length free-float tactical handguards
• Performance: Replaces factory sight blocks while ensuring optimal gas flow and smooth cycling