Originally Posted by
hile
To expand on my previous post, the reason I won't shoot steel cased ammo through my carbines because of the potential for brass-cased ammo fired after steel to stick in the chamber unless one remembers to clean the chamber. Since the steel cases expand less than brass, one doesn't get the same seal when the cartridge fires that one would with brass, so you end up with more fouling in the chamber with steel-cased ammo. Not a problem until you go back to brass. When the brass expands, it'll get stuck because now the chamber is minutely smaller than it was previously.
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