45-75 Winchester

Reloading equipment, methods, load data, powder and projectile information.

45-75 Winchester

Post by Kelsey Cooter » 11 Mar 2026, 11:02 am

I'm ready to make my first rounds for my Uberti 1876 chambered in 45-75 Winchester (NOT 45-70gov)

Anyone loading 45-75w ?

I have Bertram brass, RCBS uberti 45-75 dies and 350gn HRBC projectiles.

I am lucky enough to have alot of old reloading books, yet none have any data.
The only data I have is from Cartridges of the World, listing a 350gn projectile and 24grains of IMR4198 for a velocity of 1380

Would 5% less be a good place to start with AR2207?

Anyone have any data or experience with 45-75winchester?
I'm not interested in black powder
Kelsey Cooter
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Posts: 409
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