Fostech Sabre AR-15 Comfort Grip OD Green. Reinforced polymer structure with an over molded (rubberized) exterior. Multi texture rubber and grooves provides the Sabre with a surface that is effective in minimizing slip and reducing sweaty palms. Specifications for Fostech Sabre AR-15 Comfort Grip: Manufacturer: Fostech Finish: Rubber Gun Make: AR Platform Gun Type: Rifle Gun Model: AR-15 Material: Rubber Fabric/Material: Polymer Mount: Polymer Base Condition: New Features of Fostech Sabre AR-15 Comfort Grip Extended beavertail for a higher hold and better control Hinged storage compartment that does not a need a tool to access Package Contents: Fostech Sabre AR-15 Comfort Grip What firearm models does the manufacturer say Fostech Sabre AR-15 Comfort Grip is compatible with? The manufacturer says that Fostech Sabre AR-15 Comfort Grip is compatible with AR-15Fostech 2500-OD: Sabre AR-15 Comfort Grip OD Green