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.
FAB DEF AR15/M4 BUTTSTOCK FDE
F.A.B. Defense GL-Core AR15/M4 Buttstock, Flat Dark Earth FX-GLCORET