45-70


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Old 03-09-2008, 11:11 PM   #1
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Default 45-70

i know that the 70 is the number of grains of power, but on a 45-75 is the case size the same?



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Old 03-10-2008, 12:06 AM   #2
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With all black powder era cartridges,the gr in powder is how much the case will hold,thus a .45-75 or a .45-90 case will be bigger than a .45-70(not much larger with .45-75 however). By the way,Guess I've led a sheltered life as I havn't heard of a .45-75.



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Old 03-10-2008, 02:40 AM   #3
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the qberti company makes a 1876 rifle chambered in 45-60, 45-75, 50-95.

weired

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Old 03-10-2008, 05:10 PM   #4
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The 45-70 technically is called the .45 2 1/10" because all of the older cartridge cases were loaded with various bullet weights and black powder charges. As time progressed the manufacturers started to use the following nomenclature of 45-70-500 which indicated the caliber/black powder charge in grains/mass of projectile in grains.

The 45-90 is technically a .45 2 4/10th and has nothing to do with "90 grains of black powder" as today you can rarely put 90 grains in it.

Because all of this is so confusing it is generally easier when people refer to the original nomenclature of cartridge caliber and length.

Yes there is a 45-75 but it isn't the same as the 45-70 it is a totally different case. Unfortunately no one is manufacturing them right now so they have to be formed by using .348 WCF brass and it is a pain in the neck.

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