American Built Arms Company SBR P-Grip Pistol Grip Flat Dark Earth Small. The SBR PGrip (Pistol Grip) is born of technologically advanced materials that not only make it strong but light weight and low profile. The weather-resistant internal storage compartment will fit two AA or one CR123 batteries. Our commitment to design high quality tough as nails products is exemplified in the SBR PGrip. Designed & made in specialized factories by a veteran owned company Innovative lightweight small profile ergonomic Made from high-heat rated nylon with high strength fiber AA and CR123 battery compartment Patent Pending Specifications for American Built Arms Company SBR-P Grip Pistol Grip: Manufacturer: American Built Arms Company Gun Model: M4 M16 AR-15 Package Contents: American Built Arms Company SBR-P Grip Pistol Grip What firearm models does the manufacturer say American Built Arms Company SBR-P Grip Pistol Grip is compatible with? The manufacturer suggests that American Built Arms Company SBR-P Grip Pistol Grip is compatible with AR-15 M4 M16American Built Arms Company ABASBRPFDE: SBR P-Grip Pistol Grip Flat Dark Earth Small