The M1909 Argentine Mausers in 7.65 caliber made by DWM were among the best quality military rifles made. Several were sold in the USA during the mid '70's with sporterized stocks but rechambered to 30-06. All those I checked were in pristine condition.
I had to use .312" (.313" if available) bullets for best accuracy in their .3125" groove diameter barrels. The 7.65 AM bullet is .313" diameter. 30-06 cases bulged a lot at their pressure ring as the chamber at that point was a few thousandths larger than standard 30-06 chambers. Neck sizing their fired cases was the safe thing to do
I had to use .312" (.313" if available) bullets for best accuracy in their .3125" groove diameter barrels. The 7.65 AM bullet is .313" diameter. 30-06 cases bulged a lot at their pressure ring as the chamber at that point was a few thousandths larger than standard 30-06 chambers. Neck sizing their fired cases was the safe thing to do
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