This. Sten plans to give you an idea how easy this is: http://stevespages.com/pdf/sten_mk2_complete_machine_instructions.pdf http://stevespages.com/pdf/sten_mk

This. Sten plans to give you an idea how easy this is: http://stevespages.com/pdf/sten_mk2_complete_machine_instructions.pdf http://stevespages.com/pdf/sten_mk2_complete_machine_instruc... Really don't need much of a machine shop to knock one of them out.