The Ergo Grip Suregrip is an ergonomic ambidextrous grip with a beavertail extension that fills the web of the hand for more comfort and better recoil control. Slight hint of finger groves for a positive feel and the width is tapered from top to bottom. This new, improved version of the Ergo Sure Grip features a flexible beavertail extension that allows the grip to fit and function with both AR-15 and LR-308/AR-10 rifles. Mounting hardware not included. FeaturesIncludes the patented GAPPER which fills the void between the trigger guard and the top of the pistol grip.Bolt-on, no modifications neededErgonomically designed grip fits the contour of the hand, rear upper extension supports the web of the hand.Rhino Hide texture to the grip surface has the feel of rubber with the strength of a rigid polymer grip.