M4 Stock

Collapsible buttstock similar to the current US GI M4 carbine stock.

Ready to install on any standard AR-15 rifle or carbine buffer tube

Buttstock is made from extremely tough, injection-molded nylon to resist impact, heat, moisture, extreme cold, and most cleaning solvents

carbine recoil spring and buffer, Castle nut sold below,  Check the box beside the picture

Does NOT include buffer tube, receiver end plate, Castle nut, check the appropriate box to add them