JE Machine Tech AR-15 Adaptive Skeletonized Buttstock Combo Black PS-ST32B+PS-BTM Combo. Constructed of a high-strength impact-resistant polymer stock is built to provide years of service in the harshest environments. In addition this stock is equipped with forward and back quick detach mounting points. Specifications for JE Machine Tech AR-15 Adaptive Skeletonized Buttstock Combo: Manufacturer: JE Machine Tech Color: Black Gun Model: AR-15 Gun Type: Rifle Weight: 0.96 lb Buffer Tube Size: Mil-Spec Features of JE Machine Tech AR-15 Adaptive Skeletonized Buttstock Combo Strong and robust design Two QD sockets one in the front and one at the rear Impact-resistant high-strength polymer Fits Mil-Spec carbine buffer tubes Package Contents: JE Machine Tech AR-15 Adaptive Skeletonized Buttstock Combo What firearm models does the manufacturer say JE Machine Tech AR-15 Adaptive Skeletonized Buttstock Combo is compatible with? The manufacturer suggests that JE Machine Tech AR-15 Adaptive Skeletonized Buttstock Combo is compatible with AR-15JE Machine Tech PS-ST32B+PS-BTM Combo: AR-15 Adaptive Skeletonized Buttstock Combo Black