AR-9 4.5" 9mm Barrel - 4150 Chrome Moly Vanadium, 1:10 Twist, Black Nitride Coating

Upper Parts

AR-9 4.5" 9mm Barrel - 4150 Chrome Moly Vanadium, 1:10 Twist, Black Nitride Coating

Enhance your AR-9 build with this 4.5" 9mm barrel made from 4150 chrome moly vanadium steel, providing superior strength and durability. Perfect for blowback systems, this barrel is chambered in 9mm and features a 1:10 twist for optimal bullet stabilization. Its black nitride coating ensures resistance to wear and corrosion, giving you long-lasting performance in any condition.

Key Features:

• Material: Constructed from 4150 chrome moly vanadium steel for increased durability and strength.
• Caliber: 9mm chambering for reliable performance with blowback systems.
• Barrel Length: 4.5" length ideal for compact builds and maneuverability.
• Twist Rate: 1:10 twist for stable and accurate shot placement.
• Profile: Medium profile for a balanced performance.
• Coating: Black nitride finish enhances durability, corrosion resistance, and smooth cycling.
• Thread: 1/2 x 36 thread for easy muzzle device attachment.

With a weight of only 9.6 oz, this barrel delivers the perfect balance of lightweight performance and robust durability for your AR-9. Whether you're building a custom pistol-caliber carbine or upgrading your current system, this 9mm barrel is an essential part of any AR-9 build.