ERGO AR-15 SuperGrip Tactical Delux Grip w/ Palm Shelf Dark Earth. This grip excels on precision rifles. Specifications for ERGO AR-15 SuperGrip Tactical Delux Grip w/ Palm Shelf: Manufacturer: ERGO Color: Dark Earth Finish: Textured Gun Make: AR Platform Gun Type: Rifle Gun Model: AR-15 Material: Rubber Fabric/Material: Rubber Features of ERGO AR-15 SuperGrip Tactical Delux Grip w/ Palm Shelf Fits AR-15 type firearms in .223 and .308 Overmolded SUREGRIP material with heavy texture ERGO SURE GRIP rubber texture Ambidextrous palm swell Adjustable palm shelf Does not include a plug. Not compatible with 4935 plug Package Contents: ERGO AR-15 SuperGrip Tactical Delux Grip w/ Palm Shelf What firearm models does the manufacturer say ERGO AR-15 SuperGrip Tactical Delux Grip w/ Palm Shelf is compatible with? The manufacturer says that ERGO AR-15 SuperGrip Tactical Delux Grip w/ Palm Shelf is compatible with AR-15ERGO 4056-DE: AR-15 SuperGrip Tactical Delux Grip w/ Palm Shelf Dark Earth