AR15 / M4 6 Position CAR stock kit with buffer and spring – this is a Mako discontinued stock. These are A-1 quality at a great price. Manufactured out of a heavy duty composite to ensure high quality and strength. Perfect for military and police applications – adjusts to body armor with six (6)-position adjustable stock. Includes all necessary parts – precision machined aluminum tube, recoil buffer and spring. Ergonomically designed for better comfort. Heavy duty polymer construction. Textured lever to prevent slips when you need it most. Add 2$ shipping to most states.