Winchester single-shot and Model 1886 cartridge between the .50-90 and .50-110 in powder charge; used for large North American game.
Type: Rifle
Introduced: 1884, United States
Parent case: .50 Winchester family
Standardization: Proprietary
Bullet diameter: 0.512" (13 mm)
Rim type: Rimmed
Primer: Berdan Large Rifle
Production status: Discontinued
Also known as: .50-100 · .50-100 Win · .50-100 Express
History: Part of Winchester's big-bore black powder lineup for the Model 1886 lever-action and Model 1885 single-shot rifles, the .50-100 occupied the middle ground between the .50-90 and .50-110. Like its siblings it is a black powder cartridge capable of taking the largest North American game at moderate ranges.