The launcher systems can be used as a single unit fitted with a folding or fixed stock or the launchers can be mounted on a wide variety of assault rifles.A single-shot break-open launcher with a rifled barrel. This launcher can be used as a stand-alone unit fitted with various stocks and sights or mounted underneath a variety of assault rifles. Features include: Double action trigger, trigger lock push button and hammer lock safeties, 40mm, 1:47 twist rifled 9 inch barrel, overall length of 12 inches/305mm, unloaded weight of 2.5 lbs/1.2 kg, utilizes 40mm x 127mm max length munitions.