Ergo Grip AR-15 Grip Kit-Sure Grip-Aggressive Texture Ambidextrous Black K. These AR15 Lower Parts from ERGO feature superior rhino hide texture and ergonomically correct finger grooves to improve weapon control. The Ergo Grip AR/M4 Grip with Finger Grooves is the standard by which positive grip and shooter comfort are measured. Specifications for ERGO AR-15 Original SuperGrip Grip: Manufacturer: ERGO Finish: Textured Gun Make: AR Platform Gun Type: Rifle Gun Model: AR-15 Fabric/Material: Rubber Condition: New Additional Features: Aggressive Texture SUREGRIP Included Accessories: Plug Installation Hardware Pack The Gapper Hand: Ambidextrous Features of ERGO AR-15 Original SuperGrip Grip Fits AR-15 type firearms in .223 and .308 Ergonomically correct finger grooves Integrated rear upper extension supports the web of your hand Aggressive texture improves weapon control Virtually impervious to oils and solvents Overmolded SUREGRIP material provides non-slip grip ERGO SURE GRIP rubber texture Package Contents: ERGO AR-15 Original SuperGrip Grip What firearm models does the manufacturer say ERGO AR-15 Original SuperGrip Grip is compatible with? The manufacturer suggests that ERGO AR-15 Original SuperGrip Grip is compatible with AR-15Ergo Grip 4009-B-BK: AR 15/M16 Grip Kit-Sure Grip-Aggressive Texture Ambidextrous Black