The .223 Rem and .243 Win. are my favorite rounds for punching holes in paper, hunting varmints, deer, coyotes and other mid-sized game. Neither round will kick too much. Both have been very accurate in various Remington and Savage rifles I have owned. Factory manufactured rifles are usually readily available in these two formats. Reloading components are readily available and not too costly. Both can be fired many times each day without causing a hematoma in the shooting shoulder. Both are very useful cartridges and in "choose which one" questions, both are favored for use in survival situations. Using the .243 Rem., I have shot many woodchucks up to about 500 yds.
Just my biased opinion, worth about .02 cents.
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