A truly ergonomic, shooter focused grip for AR platform rifles. Overmolded SUREGRIPA(R) material provides non-slip grip with a unique texture. Very similar in size to the Original ERGO Grip, but with an A2 sized cavity. The ERGO 2 Grip is also slightly more rounded in the back for additional comfort. Design allows installation on both .223 and .308 AR-15/AR-10 type receivers. A2 sized inner cavity compatible with many accessories available on the market. Ergonomically correct finger grooves Integrated rear upper extension supports the web of your hand. Overmolded SUREGRIP material provides non-slip grip ERGO SURE GRIP rubber texture Virtually impervious to oils and solvents Comes with The Gapper Includes Installation Hardware Pack