Shop › FAB DEF AR15 STOCK W/CHEEK REST BLK FAB DEF AR15 STOCK W/CHEEK REST BLK $70.99 F.A.B. Defense GL-Core CP AR-15 Buttstock, Fits Mil-Spec And Commercial Tubes, Adjustable Cheek Rest, Black FX-GLCORECPB Quantity: Add To Cart Added! F.A.B. Defense GL-Core CP AR-15 Buttstock, Fits Mil-Spec And Commercial Tubes, Adjustable Cheek Rest, Black FX-GLCORECPB