My daughter inherited a Ruger M77 Mark II from her Grandfather.
In the past the rifle was sighted in using PMC 55 grain PSP ammo.
Now that we’re down to a handful of bullets we are looking to buy more ammo to deer hunt. Can anyone with this rifle/caliber experience recommend a good bullet manufacturer and grain size for a 75 yard max shot at a deer on feeder? Also, how do you determine the twist rate on a barrel?
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