P.O. Ackley

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A picture of Parker Otto "P.O." Ackley, a famous gunsmith and author. He is probably most known for his development of a large number of wildcat cartridges.

Parker Otto Ackley (May 25, 1903, Granville, New York – August 23, 1989) was an American gunsmith, author, columnist, and perhaps most famously, a firearms researcher and wildcat cartridge creator.


Cartridges Developed by P.O. Ackley

A list of cartridges developed and/or improved by Parker Otto Ackley. (May not be a complete list!)