My pet loads for my .243, I have remington 700 bdl heavy 24inch barrel
Win brass
52.0 grains of h414
55gr Nosler bt
cci br primers
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win brass
46.0 grains of imr3031
75gr. V-Max
c1 br primers
Both loads shoot incredibly well both well under MOA. Personally I like the 75gr. V-max more knockdown and wind doesn't affect it as much. Shot a few coyotes @ 300+ yds with this load. Both load combinations are very harsh on the pelts, but like you I really don't care about that. The 55 gr load is almost max load. I don't know how they work in a handirifle, don't have one in .243 but soon will, hopefully.
Hope this helps Good Luck
Rodent Ridder :wink: