As mentioned, match bullets they ain't. They're pulled 7.62 NATO bullets. However, work up a load using 150 grain IMR4895, IMR4064 or Varget data from your manual and you'll be fine.
You will have to work up a load for each rifle and full length resize. The M1, like all semi-autos, requires it, but if you're using the same brass in two rifles, it's required too. You may want to consider using one brand of brass for each rifle. Eliminates any confusion as to what rifle the load is for down the road.
With the milsurp cases, reduce the powder charge by 10%. Don't forget to remove the primer crimp first.
When you run out of the milsurp bullets, think 150, 168 or 175 grain match bullets with the same powders.
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