The Bravo Company Manufacturing MIL-SPEC Carbine Stock Hardware Kit combines everything you need to install a MIL-SPEC carbine stock on your lower receiver. The 6-position receiver extension is machined from impact extruded 7075-T6 aluminum for improved strength and durability. A standard carbine buffer, carbine buffer spring, receiver end plate, and castle nut complete the kit. Just add your favorite stock! Includes: Receiver Extension – Mil-Spec, 6 position (machined from 7075T6) Receiver End Plate Lock Nut (Castle) M4 Carbine Action Spring Carbine Buffer Assembly
