TacFire MAR050 is a mil-spec, carbine-length AR-15/M4 buffer tube kit with a 6-position stock and QD attachment capability. It includes the components you need to assemble or replace a standard mil-spec receiver extension setup, featuring a 6-position buffer tube, carbine buffer spring, 3 oz buffer, end plate, and castle nut.
Key Features
Mil-spec 6-position buffer tube for AR-15/M4 pattern rifles
Carbine-length buffer spring for correct cycling setup
Includes 3 oz buffer for standard carbine buffer weight configuration
6-position stock with QD swivel for sling attachment
Includes regular end plate and castle nut for complete assembly
Build or refresh your AR-15/M4 carbine setup with this TacFire mil-spec buffer tube kit engineered for standard fit and function.
