There are many calibers that would be great for what you're asking.
I like, 204Ruger, 22-250 and 243.
Dozens more would do the job.
A 35gr bullet at 4,400+ fps from a 22-250 is tough to beat though.
243 does near 4,000 with 55gr
.204 does 4,000+ with 32gr.
All shoot very flat.