The M433HE-1 40mm Dummy Grenades are completely reusable and designed to accommodate most airsoft rifle grenade launchers. Constructed with ABS plastic material, these aerodynamic shells can tag targets with accuracy during military training purposes. Operation is easy, simply slide and twist the inner rifling, and you're ready to fire! These dummy cartridges can also be used for cosplay on shell holder straps by placing them across your chest. Adapt to any scenario, whether you're training or looking for a nice prop to your costume. Airsoft Megastore is a place that provides a variety of tactical accessories for your convenience, giving players equipment they'll love! Fire away!