Definitions for ".375 H&H Magnum"
The .375 Holland & Holland Magnum is a powerful rifle round and arguably the most well known medium-bore cartridge in the world. A truly classic cartridge, the .375 H&H is only the second cartridge ever to feature a belt, now common among magnum rounds. It was introduced by the British company Holland & Holland in 1912 as the .375 Belted Rimless Nitro-Express.