The TacFire AR-15 Pistol Buffer Tube (part no. MAR042) is a CNC-machined aluminum receiver extension built for .223/5.56 AR-15 pistol builds, complete with a padded foam cover that doubles as a shoulder-friendly cheek surface. TacFire machines the tube ambidextrous and finishes it in matte black, and builds it shockproof and waterproof for hard use in the field. It’s a solid foundation for any pistol-brace or stabilizing-arm build.

Key Specifications

• CNC-machined from aluminum for a durable receiver extension.
• Sized for .223/5.56 AR-15 pistol builds.
• Includes a padded foam cover for a comfortable, non-slip surface.
• Ambidextrous design works for right- or left-handed shooters.
• Built shockproof and waterproof for hard field use.
• Finished in matte black.
• Ships at 0.33 lb.

Frequently Asked Questions

What builds is this buffer tube for? .223/5.56 AR-15 pistol builds.

What does the foam cover do? It adds a comfortable, non-slip cheek surface over the bare tube.

Is this tube weather resistant? Yes, it’s built shockproof and waterproof.

Buy the TacFire AR-15 Pistol Buffer Tube

A bare aluminum buffer tube is cold, hard, and slick against your cheek, and this foam-covered version fixes that without giving up durability. Order it from our Lubbock, Texas gun shop for fast shipping, along with more AR-15 stock and buffer tube parts.