You would do 3150 fps with a 80grn Barnes or 80 grn Hot Core and 16" barrel no problem. Based on using the .243 with hand loads for longer than some of you chaps have been on the planet, I would be ok using it out to 300 yards on deer.
My 20" is 3280fps with 85 grn Interbonds. I get 3040 with 95 grn Targex and NBT. No pressure signs. With a fast powder. Its just a killing machine out to 350yds or so.
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