The Luth-AR 6-Position Mil-Spec Carbine Buffer Tube (brand part no. BS-15M) is machined from 6061-T6 aluminum and finished in hardcoat black anodizing for corrosion resistance and a factory-matched look. Its 6-position design and Mil-Spec diameter make it compatible with most collapsible AR-15 buttstocks built for a mil-spec receiver extension, giving the shooter a proven, widely supported buffer tube for a carbine build.

Key Specifications

• Machined from 6061-T6 aluminum for strength and corrosion resistance.
• Finished in hardcoat black anodizing.
• Offers 6 length-of-pull positions for stock adjustment.
• Built to Mil-Spec diameter receiver extension specifications.
• Compatible with most collapsible AR-15 buttstocks built for that diameter.

Frequently Asked Questions

How many LOP positions does this tube offer? Six positions for length-of-pull adjustment.

Will my collapsible stock fit this tube? Most collapsible AR-15 buttstocks built for a Mil-Spec diameter receiver extension will fit.

Buy the Luth-AR 6-Position Mil-Spec Carbine Buffer Tube

Order the Luth-AR Mil-Spec Buffer Tube from our Luth-AR lineup of AR buffer system parts for fast, insured shipping direct to your door.