Ammo Help Needed

[cambria09]

Hello All. I found this empty shell casing at an old RR siding. Looks like a large rifle round to me.

The base is ~7/16-IN and the business end is ~1/2-IN in diameter. There are three dots on the stamp end that almost appear to be stars but no other markings.

LMK what you think, thanks for the view, and Good Luck out there. C9

 

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[TommyB]

Maybe take it to a gun store and see if they can tell you the caliber. May make it easier to google the headstamps for a particuar caliber

 

[Charlie P. (NY)]

.45-75 (not to be confused with a .45-70)

 

[Kurios1]

.45-75 (not to be confused with a .45-70)

I am guessing this is a pretty old cartridge? You know your bullets it appears.

 

[Old Pueblo]

They came out in 1876 but were probably made into the early 20th century, like a lot of other ammo from that time period. That one, without a headstamp, means its probably very old. 1880s or before would be my guess.

 

[Charlie P. (NY)]

I am guessing this is a pretty old cartridge? You know your bullets it appears.

When other kids were studying baseball stats I was memorizing ballistic tables.