The TacFire MAR047-A AR15 mil-spec buffer tube kit is a complete M4-style receiver extension package designed for dependable cycling in an AR-15 carbine configuration. It includes the components needed to set up the buffer tube assembly, pairing the correct mil-spec layout with standard hardware for a straightforward install.
Key Features
Complete kit includes buffer tube, buffer, action spring, castle nut, and end plate
6061-T6 aluminum buffer tube construction with steel hardware for durability
Mil-spec carbine receiver extension configuration compatible with standard AR-15 buffer assemblies
Designed for consistent function in a typical AR-15 carbine setup
Upgrade or replace your AR-15 buffer tube assembly with the TacFire MAR047-A mil-spec kit for a clean, standard-spec build.
