The Recover Tactical MG9 Angled Foregrip is compatible with Recover Tactical Stabalizer kits and any system with a full size pic rail. The forward magazine pouch keeps an extra mag close at hand for lightning fast reloads. FeaturesErgonomic slanted designDesigned to work with most Picatinny railsLocking push button for quick mountingIntegrated mag holder w/ retention for quick mag changes"Bullet in mag" witness windowLightweight glass-reinforced polymerCompatible with Glock Magazines