Lead & Steel 5.5" AR9 Nitride Barrel 1/2x28

Lead & Steel AR9 Nitride Barrel

This 5.5-inch AR9 barrel represents a practical solution for builders seeking a dedicated 9mm platform. The straight profile design and black nitride finish provide both aesthetic appeal and functional durability.

Key Features

• Caliber: 9mm
• Length: 5.5 inches
• Profile: Straight
• Finish: Black nitride
• Material: Chrome moly vanadium steel
• Threading: 1/2x28 (standard for 9mm suppressors)
• System: Optimized for blowback operation

Design Advantages

This barrel is engineered specifically for blowback 9mm AR platforms, eliminating the need for a gas block or gas tube. This simplification reduces parts count and potential failure points while maintaining reliable operation.

Compatibility: Works with standard mil-spec upper receivers as well as dedicated 9mm uppers, offering flexibility in your build approach.

Whether you're building your first 9mm AR or adding to an existing collection, this barrel delivers straightforward, dependable performance.