psychosplinter: i found out that using a barrel no more then 8" and using propane you get a good accuracy at 50' from the goblin shell
So far i've built 2 prototype of sawn off shotgun, the second had seen some combat.
For my third attempt, i'm aiming for a 3 round winchester that why i'm seeking help. There's a lot more complexe mecanic involve
Dukie: do have some picture? Would be nice to see it