The One Horse AR15 Carbine Buffer Tube Kit (part no. OHBT01) is built to mil-spec diameter, matching the far more common stock and grip spec on the AR15 aftermarket than commercial-spec tubes. One Horse sizes this for standard carbine-length builds.

Key Specifications

• Built to mil-spec diameter, which fits the widest range of aftermarket collapsible stocks.
• Sized for carbine-length builds, the standard AR15 buffer system length.
• Sold as a kit, bundling the tube with the hardware needed to mount it rather than the tube alone.
• Ships at approximately 0.6 lb, in line with a complete carbine buffer tube kit.

Frequently Asked Questions

Is this mil-spec or commercial-spec diameter? Mil-spec, which fits the widest range of aftermarket collapsible stocks.

What buffer system length is this kit for? Carbine-length, the standard AR15 buffer system length.

Buy the One Horse AR15 Carbine Buffer Tube Kit

Order this mil-spec buffer tube kit from One Horse. Ships fast from a Lubbock, TX gun shop. See our full AR buffer system parts for more build options.