while out walking the dog today I came across a 12 foot length of industrial card board tubing, now I decided this would be something I could use to build an old weapon I designed for the Weird West role playing game. this was for my mad science Char... Clarence Clemens (mark twains fictional and disgraced brother)

the rifle would fire 2 foot long, rocket propelled steel bolts. carrying a stick of dynamite worth of explosive. the rockets wouldn't explode on contact they were timed and would explode the turn after they were fired. so a target could end up impaled as the thruster pins them to a wall frantically trying to yank the shaft out before the tnt detonates.

A breach block rifle the cross bars hold the rocket in place once the breach is closed, and the raised ridge down the barrel keep the rocket aimed straight, vents built into the breach guide the exhaust away from the wielder

I was inspired by single shot shot guns but I will admit it also resembles some 40 millimeter grenade launchers