Ergo 2 Ambidextrous Suregrip Kit f/AR-15/AR-10, Black, 4010-B-BK

With ergonomically correct finger grooves and being virtually impervious to oils and solvents the Ergo Grip2 is just what you need. Unique design allows installation on both .556 and .308 AR/M4 lower receivers without a need for spacer inserts.