I could easily see having a sleek, svelte Mountain Rifle in a 270 or 280 with a single 130-140 grain dedicated load, while having a standard weight 30-06 with a dedicated 180-220 grain loading; one for scrambling or crawling after smaller fleet-foots, the other for tracking down heavy meat.

Sometimes, the air you 'let in'matters less than the air you 'let out'.