The Spike's Tactical M4 Complete Stock Assembly comes with everything you need to finish off the back end of your AR-15 lower receiver with top notch parts. This kit comes with a 6 position Mil-Spec Buffer Tube" M4 Collapsible Buttstock" Receiver End Plate" Castle Nut" Buffer Spring" and ST-T2 Heavy Carbine Buffer.

Features:
Black finish
Complete M4 stock kit
Includes ST-T2 Buffer" Buffer Tube" Buffer Spring" Castle Nut" End Plate
Fits AR Rifles