Concerning the copper cartridge cases used in the Little Bighorn in 1876?
It was not an attempt at cheapness on the part of the Army.
It was an attempt at making a self contained metallic cartridge at the time.
They simply didn't have any way of doing it better yet.
But they kept trying.
http://www.oldammo.com/november04.htm
PS: I have also read that the Army only allotted 20 rounds per year per man for rifle practice at the time.
And most of that was shot up by forage hunters in the 1800's Kansas forts.
So, the average 7th. Calvary Trooper recruit at the battle may have never fired his rifle until under attack at the Little Bighorn!!
The other thing is, even brass cartridges were not infallible at that date, and offer broke off in the chamber.
So much so that broken case extractors were issued to troops clear up until WWII.
And even then, machine-gun crews still got them.
So, it is doubtful brass cases would have done any better at the time.
A stuck copper case can be dug out with a knife or knocked out with Caption French's cleaning rod.
A brass case broke in half in the chamber can't be
rc