Life Science Homepage (U.S. National Park Service)

Low power- a cartridge giving a muzzle velocity of less than 1850 ft/sec. High power- a cartridge giving a muzzle velocity of between 1925 and 2500 ft/sec. High intensity- a cartridge giving a muzzle velocity over 2500 ft/sec. FUNCTION OF CARTRIDGE CASES. It holds the bullet gunpowder and primer. It serves as a water proof container for the ... ................
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