6 Position Mil-Spec Buffer Tube

CAR Style Carbine Stock Polymer - Stock Only

Leapers Inc. UTG Pro Mil Spec 6 Position Receiver Extension Tube Kit Black

Two position mil-spec buffer tube

Takeoff Mil-Spec A2 Buttstock kit

UTG® AR15 A2 Fixed Stock Assembly, Black

B5 Systems SOPMOD-Bravo Stock Black

Magpul Milspec CTR Buttstock

M4 AR MIL SPEC COMPLETE STOCK KIT

XM-177 Style Carbine Stock Polymer

Magpul STR Buttstock

Magpul ACS-L™ Carbine Stock Mil-Spec