I don't mean a different size, which would also require whole new guns and cartridges, I mean .224, .243 bullets or .308 bullets, .375, something that exists but a particular bullet isn't there.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.