I have a Sako L61R Finnbear that was converted from 7mmRemMag to 7mm-300 Dakota. I can only feed reliably with one round loaded in the magazine, any more and the cartridges will pop out when pushing the bolt forward. Follower, rails and mag box have not been altered yet. The rechambering/bolt face conversion was done by a gunsmith 10 years ago and I inherited the project. The Dakota is about .040" wider at the shoulder. I have never altered a feeding system for fatter cases and would appreciate any tips.