Gunsmithing Question About Feed Lip Dimensions for WSMs

dukelog

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Minuteman
Aug 10, 2010
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I know I am not the first person to take an action designed for standard ('06) sized rounds and modified it to reliably feed the WSMs, so I am asking for some guidance.

Background:

I am taking my first gunsmithing course starting in february. A Mauser 98 must be sporterized for the class. I have the action, a Czech VZ-24, which is in wonderful condition, and I have the barrel, a 28 inch ultra match Pac-Nor with 8 twist polygonal rifeling. I also have access to a PTG reamer for the 7m WSM that allows the bullet to be seated out for standard length magazine for increased powder capacity.

Anyways, the question is this: I know I have plenty of length in the magazine for the loaded round, and I know I have a very pointy cartridge to help guide the loaded round into the chamber, but what mods must I do dimensionally to the feed lips to ensure relaible feeding? I have a book about sporterizing Mausers that has layout prints of the needed dimensional adjustments for belted magnum cartridges so I know there COULD be some decently standard modifications out there for converting to the WSM case.

Basically what I am hoping to avoid is the file and try method if I can. I am hoping someone else has done this to a rifle and knows the proper dimensions of the feed lips as far as width, angle, shape, etc.

Anyone have any ideas?