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This guide goes over how one could convert a semi-auto closed bolt Auto Ordnance Thompson to an open bolt, fixed firing pin system. This conversion is difficult, but every material used can come from the Scarab conversion guide.
12/6/24 - Uploaded the wrong Jig, that is now fixed. Apologies.
12/19/24 - Updated Instructions for clarity.
12/6/24 - Uploaded the wrong Jig, that is now fixed. Apologies.
12/19/24 - Updated Instructions for clarity.