Difference between revisions of "P.O. Ackley"
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== Cartridges Developed by P.O. Ackley == | == Cartridges Developed by P.O. Ackley == | ||
+ | A list of cartridges developed and/or improved by Parker Otto Ackley. (May not be a complete list!) | ||
* [[.17 Hornet|.17 Ackley Hornet]], a .22 Ackley Hornet necked down to .17 caliber. | * [[.17 Hornet|.17 Ackley Hornet]], a .22 Ackley Hornet necked down to .17 caliber. |
Revision as of 14:41, 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.
Cartridges Developed by P.O. Ackley
A list of cartridges developed and/or improved by Parker Otto Ackley. (May not be a complete list!)
- .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