Description FEATURES:-Made from 6061 Aluminum-Largest profile yet, making it easily accessible by all shapes & sizes of hands & fingers-Works w/ both AR15 & AR10 lower receivers-Release magazine w/out changing grip or position-Contoured for positive depression & reduced slip PRODUCT SPECIFICATIONS: Dimension     0.95 X 3.05 X 4.70 Height     0.9500 Width     3.0500 Length     4.7000 TYPE/COLOR     AR15 XMR3 EXTENDED MAG RELEASE SIZE/FINISH     BLUE MATERIAL     ALUMINUM AR-15 ACCESSORY     Y OTHER FEATURES:     BILLET ALUMINUM,      WORKS WITH MAGPUL BAD LEVER      AND KNS PINS