The MIAD (Mission Adaptable) GEN 1.1 Grip is a drop-in replacement for the standard AR15/AR10 grip, now available in two dedicated configurations to fit most receivers. It is designed to improve ergonomics with interchangeable front and rear straps for personalized hand fit, an aggressive texture for positive weapon control, and is compatible with all Magpul grip cores to adapt to various storage needs. This update to the original MIAD has improved strap retention and also comes standard with the newest grip core that holds an included 1/2 oz. lubrication bottle. Two sizes are available- this TYPE 1 Kit (MAG520) fits most 5.56x45 and 7.62x51 AR receivers and the TYPE 2 Kit (MAG521) which is required for some 7.62x51 size receivers. All mounting hardware is included. Made in U.S.A.Features :Improved ergonomics and positive anti-slip textureRemovable and replaceable front and rear strapsCustom waterproof storage of batteries