Description
The 10.3″ 5.56 NATO Carbine Barrel is engineered for short-barreled rifles, pistols, and suppressed builds where reliability and accuracy are critical. Constructed from rugged 4150 Chrome Moly Vanadium steel and finished in black nitride (Melonite/QPQ), this barrel offers exceptional wear and corrosion resistance for high-round-count environments.
With a Government/SOCOM profile, carbine-length gas system, and a 1:7 twist rate, it’s designed to stabilize heavier 5.56 projectiles (55–77 gr) while maintaining optimal gas pressure for smooth, dependable cycling. Whether you’re building a CQB setup or a duty-grade rifle, this barrel delivers modern battlefield performance in a compact footprint.
Features
4150 CrMoV Steel Construction – Superior strength and heat tolerance
Nitride Finish – Corrosion-resistant, smooth, and easy to clean
Government Profile – Balanced for rigidity and weight
1:7 Twist Rate – Ideal for stabilizing heavier rounds
Carbine-Length Gas System – Reliable function in short-barreled platforms
Threaded 1/2×28 – Suppressor and muzzle device ready
Specifications
Caliber: 5.56 NATO
Barrel Length: 10.3″
Gas System: Carbine
Twist Rate: 1:7 RH
Muzzle Thread: 1/2×28
Gas Block Journal: 0.750″
Profile: Government / SOCOM
Finish: Nitride / Melonite
Platform: AR-15
Weight: 19.3 oz
Origin: Made in the USA
SKU: 28362
