Fostech 2500-OD: The Sabre AR-15 Comfort Grip from FosTecH is the latest in innovation from FosTecH. This grip features a reinforced polymer structure with an over-molded (rubberized) exterior. Multi texture rubber and grooves provide the Sabre with a surface that is effective in minimizing slip and reducing sweaty palms. Extended beavertail for a higher hold and better control. This grip also features a hinged storage compartment that does not need a tool to access.