The ERGO 2 SCAR Grip is uniquely designed to allow installation on FNH SCAR lower receivers without a need for spacer inserts. Designed specifically to fit the FNH SCAR lower receiver Eliminates the need for shooters to make manual modifications to their grip A2 sized inner cavity compatible with many accessories available on the market Ergonomically correct finger grooves a Integrated rear upper extension supports the web of your hand Superior SureGripA(R)(TM) texture improves weapon control, even while wearing gloves Virtually impervious to oils and solvents Mfg: Ergo Grips