Mil-Spec Carbine Buffer Tube

Build a solid foundation for your rifle stock setup with the Mil-Spec Carbine Buffer Tube. Precision-machined in the USA from heavy-duty 7075-T6 aluminum, this 6-position receiver extension provides exceptional structural strength, heat resistance, and long-term durability for demanding field conditions.

Featuring 6 precision-cut position notches, this buffer tube allows for quick, positive length-of-pull adjustments when paired with any standard Mil-Spec M4-style buttstock or aftermarket shoulder stock. Weighing in at just 3.6 oz, it delivers maximum rigidity while keeping your lower receiver assembly lightweight and well-balanced.

Engineered with precise Mil-Spec thread pitch and dimensions, this receiver extension threads seamlessly into any standard AR-15, AR-9, or AR-10 lower receiver. Available in a wear-resistant Hardcoat Black Anodized finish or a variety of custom Cerakote finishes to perfectly match your build's color scheme.

Key Features & Specifications:

• 7075-T6 Aluminum: CNC-machined from aerospace-grade 7075-T6 aluminum for maximum impact strength.
• 6-Position Adjustment: 6 locking positions allow rapid length-of-pull customization.
• M4 Stock Compatible: Standard Mil-Spec outer diameter accepts all M4-type and Mil-Spec adjustable stocks.
• Lightweight Design: Weighs only 3.6 oz to maintain optimal lower receiver balance.
• Universal Fitment: Threads directly into all standard AR-15, AR-9, and AR-10 lower receivers.
• Finish Options: Available in Hardcoat Black Anodize or durable custom Cerakote options.
• American Made: Proudly manufactured 100% in the United States.