May 21st is the birthday of weapons designer John Douglas Pedersen. (Born 1881, died 1951.) Among other inventions, he is known as the inventor of the M1903 Springfield Pedersen Device (pictured) that converted the M1903 rifle to shoot a smaller-capacity .30 caliber cartridge, semi-automatically.
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- Ad Rural Home Defense: non-fiction by author Don ShiftA cop's guide to protecting your rural home or property during riots, civil war, or SHTF. A sequel in the Suburban Defense series.