45-75 loads

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  • Last Post 31 March 2025
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Glenn R. Latham posted this 29 March 2025

A CBA member is requesting loading data for an original Winchester 1876 in 45-75 with the RCBS 300 grain bullet.  Anybody have any or know where it is?

Glenn

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Aaron posted this 29 March 2025

I only have the data from Page 601 of the "Handloader Manual of Cartridge Conversions" listing a 350gr bullet and 24.0gr of 4198 propellant for the 45/75 Winchester Cartridge. This load is specifically listed for the 1876 rifle. Some tweaking may be performed with QuickLoad if the member has that program.

 

With rifle in hand, I confidently go forth into the darkness.

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Glenn R. Latham posted this 29 March 2025

Thanks Aaron, he got that load from Cartridges of the World, but that's all he's found.  I suggested using Trapdoor loads since the 45-70 is a slightly smaller case.

Glenn

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RicinYakima posted this 29 March 2025

If you have access to Wolfe's "Load Data" Venturino did an article maybe 20 years ago that should be in there somewhere. 

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linoww posted this 29 March 2025

my gunsmith buddy shoots one.I'll ask his load. 

 

"if it was easy we'd let women do it" don't tell my wife I said that!

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Glenn R. Latham posted this 29 March 2025

Thanks Ric but I don't have that.

George, thanks for asking.

Glenn

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mhice posted this 29 March 2025

Black powder or smokeless?

-Michael

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Glenn R. Latham posted this 30 March 2025

He didn't specify, I'm assuming smokeless. Black is pretty straight forward. Glenn

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Bud Hyett posted this 30 March 2025

Using the .45-70 loading data and staying in the Trapdoor range would be my thought. Also the 1876 is the weaker toggle-link action, so don't get adventurous. 

I've got a repica 1876 in .45-60 and loading data for it is available in the Lyman Cast Bullet manual, possibly the .45-75 is in there also.  

Farm boy from Illinois, living in the magical Pacific Northwest

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linoww posted this 30 March 2025

well my buddies 1876 is a 50-95.Sorry my memory is so bad

"if it was easy we'd let women do it" don't tell my wife I said that!

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hpbear101 posted this 30 March 2025

https://shootingwithhobie.blogspot.com/search/label/45-75

 

Here's a good series of articles on the 76 Winchester and 45-75 in particular.

 

I have a repro in 50-95 I have done some RL7 loads in that cartridge, however I have settled on BP and really like Hodgdon Triple Seven.

 

Tom

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mhice posted this 30 March 2025

My apologies. My brain was thinking duplex, but my hands typed black powder. However, those are pretty straight forward as well...

-Michael

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Square Butte posted this 30 March 2025

Go to CasCity.com and look at the thread titled " Loading Data for the 45-75 "  -  You will find it under the heading for main topics " The Winchester Model 1876 "  -  Eleven (11 ) pages there regarding you inquiry

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Glenn R. Latham posted this 31 March 2025

Thanks everyone for your help.  I've passed the info along and will let you know if he has more questions.

Glenn

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