A simple to make non working grenade launcher model.It not based on any real life GL. The ammunition can be used for working guns and is cored (has a rod in the center of it) so it can wistand a lot of damage.
About this creation
The barrel can open!
From here you can see the hinges for the barrel.
As if you were holding it using the aimer.
This is how you assemble the grenades,left to right.