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.

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