You can Find some information out of Kuhnhausens book the Mauser rifle and P.O. Ackley wrote of it as well but without the illustrations for clarity. Adjusting the break over and movement of cartridges when coming up through the well by observing the magazine rail taper vs its affect on cartridge taper polishing adjusting follower guide rib can be tricky stuff. I'll leave it to them, but I'm curious it'll only hold two?