@cmort666
The first .223 I had was a Ruger M77 with 1/12 twist,would not shoot 62gr for **** but the fifty fives down it did real well with that one would occasionally do some weird stuff with the 55gr FMJ
The next one was a AR15 with 1/9 and it would blow possums up regularly with 55gr FMJ,it was pretty brutal on anything I pointed it at honestly.
Taught me as far as that cal goes if it runs with the FMJ right it is a nasty weapon to get tagged with.
Don't ask about HP...or even SP I've done things with the .223 that'd make one be very
about.