The TacFire Mil-Spec AR-15 buffer tube in aluminum and black is a receiver extension for AR-15 builds and stock swaps (TacFire part no. MAR040). It is machined from 6061-T6 aircraft-grade aluminum and finished in matte black anodizing with a Type III Class II hard coat. TacFire holds tight tolerances on it for a zero-gap fit with a polymer stock and the receiver. It suits a builder who wants a plain, correctly finished mil-spec tube.

Key Specifications

• The tube is built to mil-spec dimensions for an AR-15 build.
• Material is 6061-T6 aircraft-grade aluminum, a strong alloy that is common for AR receiver hardware.
• The finish is matte black anodizing with a Type III Class II hard coat, which gives the tube its wear resistance.
• It is made to tight tolerances for a zero-gap fit with a polymer stock and the receiver.
• The tube is sized for the AR-15, the rifle platform named in its listing.

Frequently Asked Questions

What is the buffer tube made from and how is it finished? It is 6061-T6 aircraft-grade aluminum with matte black anodizing and a Type III Class II hard coat.

Is this a mil-spec tube? Yes. It is TacFire’s mil-spec AR-15 buffer tube, made to tight tolerances for a zero-gap fit with a polymer stock and the receiver.

Buy the TacFire Mil-Spec AR-15 Buffer Tube, Aluminum, Black

A well-finished mil-spec tube is a quiet upgrade that makes an AR feel tighter in the stock. Order it from our Lubbock, Texas gun shop for fast, insured shipping, and browse more ar buffer system.