6-position Buffer Tube for AR-15

The Eemann Tech 6-Position Receiver Extension Tube is engineered to deliver strength, stability, and precision to your AR-15 build. Crafted from high-strength 7075-T6 aluminum and CNC machined to tight tolerances, this buffer tube is designed to ensure smooth function and compatibility with mil-spec components. The black hard-coat anodized finish offers excellent wear and corrosion resistance, while its six adjustable positions allow for a customized length-of-pull. Whether you're upgrading or building a rifle from scratch, this extension tube is a premium component for your recoil system.

Note: Locking nut and receiver plate are not included.

Specification:

• Adjustable to 6 positions for custom length-of-pull
• Mil-spec diameter—compatible with standard collapsible stocks
• Material: 7075-T6 aluminum for high strength and light weight
• Thread type: 1-3/16″-16 UN (standard AR-15)
• Finish: Black hard-coat anodized (Type III)
• Weight: 110 g (3.88 oz)
• Length: 7.25″ (184 mm)
• Internal diameter: 1″ (25.4 mm) – supports carbine buffers and springs

Compatibility:

• Fits AR-15 lower receivers with mil-spec buffer tube threading
• Accepts standard carbine buffers and recoil springs
• Compatible with mil-spec collapsible buttstocks