For penturners
Downloads.
Written instructions from Paul's own bench, free to keep. Open them in the browser or save the PDF and take it out to the lathe.
Instruction sheets
Cartridge pen build guides.
Both files cover the dimensions turners ask about most: case base diameters, tube lengths, drill sizes and the order of assembly.
30 cal instructions
Assembly notes for .308, .30-06 and other .30 caliber cases: base diameters, 7 mm drilling, recessed clearance holes and finished barrel dimensions.
PDF · 2 pages · 69 KB
50BMG Instructions
Step-by-step build for the .50 BMG cartridge pen, including case preparation, tube fitting, turning sequence and final assembly.
PDF · 5 pages · 454 KB
Shared freely for personal shop use. If something in a sheet does not match the kit in front of you, send Paul a note — he would rather correct the file than have you scrap a blank.
Start a conversation
Need the components to go with the instructions?
Paul stocks .30 and .50 caliber cases and hardware, plus blanks cast to order.
Prefer to talk it through? (870) 273-2140