machine/shotgun/semi auto idea

[upit14]

The best thing to do is fire through the cartridge.

[robbo@robbo]

i was thinking about useing a car injector and a coil and have the gas sprayed in the cartidge just befor ignition

[spudnikMK2]

I had a similar idea except there is no paper, the shell is completely sealed and i use a model rocket motor ignitor. you drop the shell into the gun from the front just like a mortor round. ill draw a diagram when i get the chance.