This complete kit is ready-to-assemble on your Remington TAC-14, greatly enhancing the usability of the firearm by adding an additional point of contact for stabilization. The kit includes a SBM4 Pistol Stabilizing Brace, a STDT-C pistol receiver extension, an ERGO flat top sure grip and 870 adapter, castle nut and adjustable nylon strap. US veteran designed and proudly made in the USA.