Difference between revisions of "P.O. Ackley"
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+ | [[File:PO-Ackley-Parker-Otto-Ackley-Improved-Firearm-Wiki.jpg|frame|right|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.]] | ||
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'''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. | '''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. | ||
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+ | Ackley started his career as a gunsmith in Oregon in 1936, But World War II would soon interrupt. In 1945, he opened a new shop in Trinidad, Colorado, and soon became one of the largest custom gunmakers in the United States. He was also on the staff of the magazines [[Guns & Ammo]] and [[Shooting Times]]. Ackley was an instructor at the Trinidad State Junior College from 1946 to 1951, where he had the opportunity to do a great deal of research and development. | ||
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+ | A biography was written about Ackley titled "[[P.O. Ackley, America's Gunsmith]]", by [[Fred Zeglin]]. - ISBN 9781440247590. | ||
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+ | == Cartridges Developed by P.O. Ackley == | ||
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+ | A (probably incomplete) list of cartridges developed and/or improved by Parker Otto Ackley. Keep in mind, the "Improved" cartridges could all be formed from standard cases, and firearms chambered for them could also fire their standard non-improved counterparts as well! However, other cartridges without the "improved" nomenclature, do not share these characteristics as they would require length and/or caliber changes. | ||
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+ | * [[.17 Hornet|.17 Ackley Hornet]], a .22 Ackley Hornet necked down to .17 caliber. | ||
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+ | * [[.17 Ackley Bee]]: a .218 Improved Bee necked down to .17 caliber. | ||
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+ | * [[.22 Ackley Improved Hornet]], an improved [[.22 Hornet]]. | ||
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+ | * [[.22 Eargesplitten Loudenboomer]], developed to exceed 5,000 feet per second. | ||
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+ | * [[.218 Ackley Improved Bee]], an improved [[.218 Bee]]. | ||
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+ | * [[.219 Zipper Improved]], an improved [[.219 Zipper]]. | ||
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+ | * [[.22/.30-30 Ackley Improved]], a [[.30-30 Ackley Improved]] necked down to .22 caliber. | ||
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+ | * [[.22-250 Ackley Improved]], an improved [[.22-250 Remington]]. | ||
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+ | * [[.223 Ackley Improved]], an improved [[.223 Remington]]. | ||
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+ | * [[.224 Belted Express]], formed from [[.30-06 Springfield|.30-06]] brass. A small number of die sets were made by RCBS. | ||
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+ | * [[.228 Ackley Magnum]], an improved [[7×57mm Mauser]] necked down for .228 caliber bullets. | ||
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+ | * [[6mm AR Improved]] / [[6mm AR Turbo]], an improved [[6mm AR]] (itself a necked-down [[6.5mm Grendel]]). | ||
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+ | * [[6mm/.30-30 Ackley Improved]], a [[.30-30 Ackley Improved]] necked down to 6mm (.243 caliber). | ||
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+ | * [[.243 Ackley Improved]], an improved [[.243 Winchester]]. | ||
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+ | * [[.25 Ackley Krag]], a [[.30-40 Krag]] necked down to .25 caliber. | ||
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+ | * [[.25-06 Ackley Improved]], an improved [[.25-06 Remington]] with a 40 degree angled shoulder. | ||
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+ | * [[.25 Ackley Krag Short]], a slightly shortened [[.25 Ackley Krag]]. | ||
+ | * [[.250-3000 Ackley Improved]], an improved [[.250-3000 Savage]]. | ||
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+ | * [[.257 Ackley Improved]], an improved [[.257 Roberts]]. | ||
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+ | * [[.260 Ackley Improved]], an improved [[.260 Remington]]. | ||
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+ | * [[.270 Winchester Ackley Improved]], an improved [[.270 Winchester]]. | ||
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+ | * [[7×57mm Mauser Ackley Improved]], an improved version of the [[7×57mm Mauser]] cartridge with 40 degree shoulder, dies readily available. | ||
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+ | * [[.280 Remington Ackley Improved]], an improved version of the [[.280 Remington]] with 40 degree shoulder. Replicates ballistics of the [[7mm Remington Magnum]], with 30% less propellant used and less barrel erosion. Registered with SAAMI by [[Nosler]]. | ||
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+ | * [[.30-30 Ackley Improved]], an improved [[.30-30 Winchester]] |
Revision as of 15:13, 11 November 2019
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.
Ackley started his career as a gunsmith in Oregon in 1936, But World War II would soon interrupt. In 1945, he opened a new shop in Trinidad, Colorado, and soon became one of the largest custom gunmakers in the United States. He was also on the staff of the magazines Guns & Ammo and Shooting Times. Ackley was an instructor at the Trinidad State Junior College from 1946 to 1951, where he had the opportunity to do a great deal of research and development.
A biography was written about Ackley titled "P.O. Ackley, America's Gunsmith", by Fred Zeglin. - ISBN 9781440247590.
Cartridges Developed by P.O. Ackley
A (probably incomplete) list of cartridges developed and/or improved by Parker Otto Ackley. Keep in mind, the "Improved" cartridges could all be formed from standard cases, and firearms chambered for them could also fire their standard non-improved counterparts as well! However, other cartridges without the "improved" nomenclature, do not share these characteristics as they would require length and/or caliber changes.
- .17 Ackley Hornet, a .22 Ackley Hornet necked down to .17 caliber.
- .17 Ackley Bee: a .218 Improved Bee necked down to .17 caliber.
- .22 Ackley Improved Hornet, an improved .22 Hornet.
- .22 Eargesplitten Loudenboomer, developed to exceed 5,000 feet per second.
- .218 Ackley Improved Bee, an improved .218 Bee.
- .219 Zipper Improved, an improved .219 Zipper.
- .22/.30-30 Ackley Improved, a .30-30 Ackley Improved necked down to .22 caliber.
- .22-250 Ackley Improved, an improved .22-250 Remington.
- .223 Ackley Improved, an improved .223 Remington.
- .224 Belted Express, formed from .30-06 brass. A small number of die sets were made by RCBS.
- .228 Ackley Magnum, an improved 7×57mm Mauser necked down for .228 caliber bullets.
- 6mm AR Improved / 6mm AR Turbo, an improved 6mm AR (itself a necked-down 6.5mm Grendel).
- 6mm/.30-30 Ackley Improved, a .30-30 Ackley Improved necked down to 6mm (.243 caliber).
- .243 Ackley Improved, an improved .243 Winchester.
- .25 Ackley Krag, a .30-40 Krag necked down to .25 caliber.
- .25-06 Ackley Improved, an improved .25-06 Remington with a 40 degree angled shoulder.
- .25 Ackley Krag Short, a slightly shortened .25 Ackley Krag.
- .250-3000 Ackley Improved, an improved .250-3000 Savage.
- .257 Ackley Improved, an improved .257 Roberts.
- .260 Ackley Improved, an improved .260 Remington.
- .270 Winchester Ackley Improved, an improved .270 Winchester.
- 7×57mm Mauser Ackley Improved, an improved version of the 7×57mm Mauser cartridge with 40 degree shoulder, dies readily available.
- .280 Remington Ackley Improved, an improved version of the .280 Remington with 40 degree shoulder. Replicates ballistics of the 7mm Remington Magnum, with 30% less propellant used and less barrel erosion. Registered with SAAMI by Nosler.
- .30-30 Ackley Improved, an improved .30-30 Winchester