Bravo Company MK2 Receiver Extension, Fits AR, Buffer Tube, Matte Finish, Black

Elevate your AR15, M16, or M4 build with the BCM MK2 Receiver Extension-the ultimate upgrade for serious shooters. Precision-machined from robust 7075-T6 aluminum, this buffer tube adheres strictly to Mil-Spec dimensions and specifications, guaranteeing a seamless, high-performance fit that meets the most demanding military standards. Unlike standard carbine tubes, the Mil-Spec design features a slightly smaller outer diameter for the stock, ensuring a tighter, more stable lockup. Note: To achieve maximum performance and functionality, this receiver extension requires a rifle-length action spring and the specific BCM MK2 buffer. Standard carbine and rifle buffers are not compatible. Choose BCM for superior quality, durability, and reliability in your next AR-15 rifle configuration.