The TacFire MAR050B Mil-Spec Buffer Tube Black Matte AR-15 is a complete stock kit that brings proven Mil-Spec reliability to your AR-15 or M4 build. This kit pairs a 6-position adjustable stock with buttpad and a Mil-Spec 6-position buffer tube, giving shooters a comfortable, repeatable cheek weld and easy length-of-pull adjustment. Finished in matte black, it blends cleanly with most modern AR furniture while keeping reflections to a minimum.

Designed as a full carbine buffer system, the MAR050B kit includes a carbine-length buffer spring, 3 oz carbine buffer, standard end plate, and castle nut, simplifying assembly for new builds or upgrades. It is well suited for general range use, training, and everyday rifle setups where dependable cycling and straightforward adjustability matter. TacFire’s attention to Mil-Spec dimensions and practical design makes this kit a solid choice for builders who value consistent performance and straightforward installation.

Key Features:

• Manufacturer: TacFire
• Model: MAR050B Mil-Spec Buffer Tube Black Matte AR-15
• Platform: AR-15 / M4
• Tube Type: Mil-Spec 6-position
• Buffer Weight: 3 oz carbine buffer
• Buffer Spring: Carbine length
• Finish: Matte black
• Overall Length: 13.5 in
• What's In The Box: 6-position stock with buttpad, Mil-Spec buffer tube, carbine-length buffer spring, 3 oz buffer, standard end plate, castle nut