Outback Nerf: Mod: Modular Underbarrel Demolisher System
serious question, would it be feasible to turn the new nerf gjallahorn into an airsoft 40mm launcher by installing a linkage from the trigger to a pin behind the breechloading mechanism? once
How to Make a Grenade Launcher (with Pictures) - wikiHow
How to Make a Grenade Launcher (with Pictures) - wikiHow