.22-243 is a recent version of the .22 Cheetah (.308 necked to .223 back in the 80s) and I considered it but I have a nice hvy bbl Savage .22-250 I seldom use because my PD rifles have 26" Shilen bbls that flatten out my .223 loads with great accuracy, so the extra velocity seems small and unnecessary.
If you put big $$ into any project, though, you HAVE to enjoy it, right?
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