For easy WeaponLight activation without compromising grip on the weapon Ambidextrous dual momentary and constant-on push/toggle switch Models to fit a wide variety of common semiautomatic pistol models For surgical control when using an X-Series WeaponLight (X300, X400), the DG grip switch uses a minimal center-mounted pad. This allows the operator to activate the light with finger pressure without needing to move a finger from the grip. For Glock 17,17L,18,19,20,21,22,23,24,31,32,34,35 (rail versions), Beretta PX4 Full Size, H&K P2000 NSN:5930-01-640-9794 Specifications Brand: SureFire Manufacturer part #: DG-11 Category: Lights › Parts & Accessories Shipping weight: 0.06 lb Country of origin: US Ships fast from GunCycle — free economy shipping on orders $99.99+.