The 7-08 will take reloading better than the 243, which has a tendancy to stretch brass. The 7-08 , on the other hand, is a jewel to load for, is not picky, and can be loaded to meet any recoil requirement (within reason) you may have.

The additional recoil of a well fitted rifle will be minimal.

good luck in your choices.

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1. Never tell everything that you know.