Gel Blaster shooters can now equip their Gel Blasters that have rail mounts with an M203 Gel Ball Grenade Launcher. This is a 3D printed kit set made by Cool Hobby that you can assemble. As for ammo, their are already 40mm Gas Power Gel Ball Grenades available in the market... "This is a DIY Kit Set, You need to do it yourself, Enjoy DIY, Enjoy M203 Gas Power GEL Ball Grenade Launcher + 40MM Grenade KIT SET."

Cool Hobby shows a 3D Print shell Side Saddle for AKA M870 Gel Blaster that can also be used with M870 airsoft shotguns. Too bad they didn't provide the files to download so you can do it if you have access to a 3D printer. If you have 3D printing ideas for airsoft, we would like to hear from you.