M1915 Howell Automatic Rifle Enfield Conversion

The M1915 Howell Automatic Rifle is a conversion of a standard No1 MkIII Lee Enfield rifle into a semiautomatic, through the addition of a gas piston onto the right side of the barrel. Despite its very steampunk appearance, the Howell is actually a quite simple conversion mechanically. The rifle action had not been modified at all, and a curved plate on the end of the gas piston is used to cycle the bolt up, back, forward, and down just as it would be done manually. The additional metal elements added to t