Kastway Airsoft's Combo Deal that puts a grenade launcher kit together for you to worry just your budget to get it. It comes with shell and ammo, though the gas you have to purchase separately. You can have this for US$120 and have it shipped from Hawaii... "Colt 203 Launcher Kit!! Free 40mm 18rd Gas Shell, 3x 2,000ct Bottles of .20g BB's, Kit Includes M203 Mounts."