Universal Grenade Launcher HolsterThe Universal Grenade Launcher Holster (GLH U) is designed specifically to secure and maintain the HK GLM M320 Grenade Launcher. Due to the holsters open face design, the weapon can be easily holstered and rapidly drawn without reconfiguring the weapon. The weapon is retained via a thermoformed clamp that snaps around the trigger guard, an adjustable retention strap which prevents the weapon from disengaging the clamp, and an optional adjustable sling