Hum... The guy seems to be saying that it was originally developed for a "black powder rifle cartridge (8mm Lebel)."
That's incorrect, the 8mm Lebel was never a black powder cartridge. Other than that, pretty good video.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.