Quote:
Originally Posted by pmulcahy11b
Eventually, though, I think we will skip over caseless ammunition and replace them with ETC for rifles and heavier weapons, and retain the cased ammo for pistols. (Don't hold your breath for an ETC rifle, though -- I think those will be something my nephew's grandchildren will have rather than any time soon.).
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I recently read that one of the several reasons the G11 was not adopted by the German and U.S. armies is that caseless ammo has a potential issue with cooking off in the gun. If I understand correctly, conventional ammo helps with heat loss because the brass from spent rounds retains and takes some of the heat of discharge with it when it's ejected from the gun. Caseless ammo doesn't have this beneficial property. The gun, therefore, retains a lot of heat and this can, theoretically at least, lead some of the unfired caseless ammo to cook off in the gun. This could be catastrophic.