Here's a look at some of the best .45-caliber rifle cartridges out there for hunting large game, from .45-70 Government to .450 Rigby.
Top 5 Straight-Wall Cartridges for Deer Hunting - Shooting Times
45-70 Ballistics Chart & Other Information
10 Underrated Hunting Cartridges - Guns and Ammo
Why are rifle-caliber cartridges necked-down? Is there any ballistic advantage in the casing being short and squat over it being long and thin? - Quora
Giant Killers: .45-Caliber Rifle Cartridges
Decoding Ammunition Boxes
Giant Killers: .45-Caliber Rifle Cartridges
X4570H Winchester Ammunition
120×45×45 - 家具
List of rifle cartridges - Wikipedia
Top 5 Lever-Action Rifle Cartridges
Handgun Hunting: Top 5 Big-Game Cartridges
Caliber Choice: Straight-Walled Cartridge Resurgence