20" 5.56 NATO 1:9 Twist Phosphate Rifle Heavy Barrel

20" 5.56 NATO 1:9 Twist Phosphate Rifle Heavy Barrel

Heavy-duty accuracy built for distance and durability.

The BRD 20" 5.56 NATO 1:9 Twist Phosphate Rifle Heavy Barrel is a long-range workhorse designed for serious shooters who demand strength, consistency, and accuracy. Manufactured in the USA by vetted Tier 1 partners under ISO-9001 or better quality control, this barrel is phosphate-coated for enhanced surface protection and long-term durability in the field.

Its heavy profile improves barrel rigidity and heat management, making it ideal for sustained fire, precision shooting, and DMR builds. The 1:9 twist rate effectively stabilizes a variety of 5.56 NATO rounds, while the rifle-length gas system promotes smoother recoil and reliable cycling. Backed by Black Rifle Depot’s MOA Guarantee, this barrel delivers sub-MOA performance when paired with quality match-grade factory ammunition and a stable shooting rest.

Specifications

• Finish: Mag Phosphate
• Barrel Profile: Heavy
• Cartridge Compatibility: 5.56 NATO
• Gas Block Journal: 0.75
• Barrel Length: 20"
• Gas System Length: Rifle
• Platform: AR-15
• Twist Rate: 1:9
• Muzzle Thread Pattern: 1/2x28

Engineered for shooters who want a dependable, high-performance barrel without overspending, the BRD 20" Heavy Barrel is ready to deliver round after round of tight groups.