Keeping a 20mm Oerlikon combat-ready

In the past couple months, I have been corresponding back and forth with a chap in Ohio who owns a very operational and transferable WWII era 20mm Oerlikon.

I featured his cannon in a couple different articles over at Guns.com in the past few years and he really has to jump through hoops to keep it going.

You can’t just go down to the local big box and pick some up those huge 20 mike mike rounds. This stuff hasn’t been factory manufactured in generations. This leaves Alan to roll his own.

“I have to make it from modern 20mm x 102 cases,” he said. “I use my log splitter and a weldment to hold dies to form the cases. It’s a long process, but in the end I get 20x110RB brass and reload those.”

Here is him going loud at the Eastern Ohio machine gun shoot recently.

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