Green Mountain 7.62x39 AK-47 Barrel 21.3" Heavy RPK Finned Phosphate

Enhance the performance and reliability of your AK-47 build with the Green Mountain 7.62x39 AK-47 Barrel. This 21.3-inch heavy RPK-style barrel delivers exceptional durability and precision for demanding tactical applications. Key Features Heavy RPK profile with distinctive fins for superior heat dissipation during extended firing sessions Phosphate finish combined with chrome-lined bore and chamber for outstanding corrosion resistance and extended service life 1:9.5 twist rate optimized for stabilizing 7.62x39 projectiles across a wide range of bullet weights 14x1 LH muzzle threads for easy installation of suppressors, flash hiders, or other muzzle devices Technical Specifications Barrel Length: 21.3 inches Cartridge Compatibility: 7.62x39mm Platform: AK-47 Barrel Profile: Heavy RPK finned Finish: Phosphate with chrome lining Twist Rate: 1:9.5 Muzzle Thread Pattern: 14x1 LH Weight: 38.4 oz Benefits for Your Build The robust heavy profile provides enhanced rigidity and reduced barrel whip, contributing to improved accuracy and consistency shot after shot. Chrome lining protects the bore from the corrosive effects of surplus ammunition, while the phosphate exterior resists rust in harsh environments. RPK-style fins promote rapid cooling, making this barrel ideal for high-volume shooting or semi-automatic fire scenarios. Whether you're assembling a custom AK rifle or upgrading an existing platform, this Green Mountain barrel ensures reliable function and long-term value. Why Choose This Product Green Mountain barrels are manufactured to exacting standards using premium materials, offering shooters a dependable component trusted in tactical and sporting applications. The finned heavy design echoes classic RPK configurations while fitting standard AK-47 trunnions for straightforward installation by qualified gunsmiths.