FAB DEF AR15/M4 BUTTSTOCK BLK

F.A.B. Defense L-Core, AR-15 Buttstock, Fits Mil-Spec And Commercial Tubes, Black FX-GLCOREB The GL-Core buttstock features an integrated cheek weld, ergonomic buttpad and an interchanging buffer tube adapter that allows it to fit on either Mil-Spec and Commercial buffer tubes. Comes with two integrated QD sling swivel sockets.