Armaspec AR-15 Carbine Buffer Tube Kit

Whether you're looking to finish your lower receiver for your custom AR-15 build, or upgrading your store-bought stock rifle, the Armaspec AR-15 Carbine Buffer Tube Kit is a must-have. This kit includes one 6-position aircraft aluminum buffer tube with a black anodized finish, one steel castle nut, and one Mil-Spec end plate, providing everything you need to complete your lower assembly while still leaving room for customization by accepting the buffer kit of your choice (not included). Compatible with any Mil-Spec lower receiver.