I shot an elk with a 30-06 built on a Spanish Mauser action, but mostly I just spend time humping milsurps when hunting with them: I've taken a couple K98s hunting and also carried my 7.7 Japanese Type 99 looking for elk, but the elk didn't cooperate.
I've always thought an 8mm Hakim with a barrel chopped back to 18" would be a great brush gun, although it would be quite the muzzle blast I'm sure. I bought a Mosin type 44 b/c my friends in Texas kept threatening to take me "real hunting" for hogs. That never happened, but it was a fine rifle. I eventually sold that to a Texan, so I suppose it did go hog hunting at some point.
If I can sort out the sights on my latest Type 38 Arisaka carbine I'd love to take that once.