People like to understate the recoil of 5.56/223, while not substantial it does have a good punch that is great fun.
If you get the 223 make sure that it has a 5.56 chamber, I would also suggest the Mossberg MVP. What other bolt action can accept 30, 60 and 90 round magazines?.
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.22LR, 9x19, .40 S&W, .45 ACP, .45 Colt, 5.56x45, 7.62x39, .303 British, 308 Winchester, 30-06 Springfield, 7.62x54R, 8mm Mauser, .50 BP