Just watching Life Below Zero: Next Gen. What cartridge is this?

I think I can just make out a belt, I think it's a .375 H&H - what say you?

[Linked Image from i.imgur.com]

Last edited by High_Noon; 01/31/21.
l told my pap and mam I was going to be a mountain man; acted like they was gut-shot. Make your life go here. Here's where the peoples is. Mother Gue, I says, the Rocky Mountains is the marrow of the world, and by God, I was right.
- Del Gue