FAB Defense FX-GLMAGB GL-Mag Survival Buttstock Matte Black Synthetic for AR-15, M4

FAB Defense FXGLCOREB GL-Core Buttstock for AR-15/ M4 Black Fiberglass Reinforced Polymer

FAB Defense FXGLCORECPB GL-Core Buttstock for AR-15/ M4 w/Adjustable Cheek-Rest Black Fiberglass Reinforced Polymer

FAB Defense FXGLCORES GL-Core S CQB Optimized Combat Buttstock for AR-15/ M4 Black Fiberglass Reinforced Polymer

FAB Defense FXGLCORESCP GL-Core S CP CQB Optimized Combat Buttstock w/Adjustable Cheek-Rest for AR-15/ M4 Black Fiberglass Reinforced Polymer

FAB Defense FXGLR16B GLR-16 Buttstock for AR-15/ M16/ M4 Fixed Storage Compartment & Anti-Rattle Mechanism Black Polymer

FAB Defense FXGLR16CP GLR-16 CP Tactical Buttstock for AR-15/ M16/ M4 w/Adjustable Cheek-Rest & Anti-Rattle Mechanism Black Polymer

FAB Defense FXGLSHOCKCP GL-Shock CP Buttstock for AR-15/ M16/ M4 w/Adjustable Cheek-Rest & Anti-Rattle Mechanism Black Mil-Spec Reinforced Polymer