• with a self-loading .223 Ackley Improved". Guns Magazine. Retrieved 2008-06-10. "270 Winchester Ackley Improved". Ackley, P.O. (1927) [1962]. Handbook...
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  • The .280 Ackley Improved (.280 AI) was the result of the .280 Remington case modification by P.O Ackley, who steepened the shoulder angle to 40 degrees...
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  • Thumbnail for .243 Winchester
    from a 26-inch barrel. P. O. Ackley created an improved version of this cartridge called the .243 Winchester Improved (Ackley). Like other improved cartridges...
    18 KB (1,887 words) - 11:55, 15 June 2024
  • Thumbnail for .220 Swift
    bullets, including those with a construction suitable for larger game. P.O. Ackley maintained that the .220 Swift was a fine round for medium-large game...
    12 KB (1,375 words) - 17:46, 14 January 2024
  • Thumbnail for .17 Hornet
    rifle cartridge originally offered as a "wildcat cartridge" developed by P.O. Ackley in the early 1950s. He created this non-factory (wildcat) offering by...
    5 KB (526 words) - 00:37, 2 November 2023
  • Thumbnail for .30-06 Springfield wildcat cartridges
    Handloading (Funk & Wagnalls, 1953) pp.206&398 Ackley, P.O. "P.O. Ackley: His Life and Work". Ackley Improved. Estate of P.O. Ackley. Retrieved 24 March 2018....
    18 KB (1,921 words) - 20:33, 9 August 2024
  • Thumbnail for .17 Ackley Bee
    The .17 Ackley Bee is a wildcat centerfire rifle cartridge named after its designer, P.O. Ackley, and is a .218 Bee case necked down to .17 caliber with...
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  • Thumbnail for Ballistic pendulum
    half the period of oscillation. P.O. Ackley described how to construct and use a ballistic pendulum in 1962. Ackley's pendulum used a parallelogram linkage...
    14 KB (2,243 words) - 12:16, 1 July 2024
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    and Gear. Gun Digest. ISBN 0-89689-390-1. Chapter 18, The Cloth Patch P. O. Ackley (1966). Handbook for Shooters & Reloaders Volume II. Plaza Publishing...
    35 KB (4,375 words) - 07:33, 20 July 2024
  • Thumbnail for .375 H&H Magnum
    as the .375 H&H Magnum cartridge. The .375 H&H Ackley Improved was a cartridge designed by P. O. Ackley in an effort improve on the performance and case...
    30 KB (4,069 words) - 18:43, 3 April 2024
  • Thumbnail for Wildcat cartridge
    RelaodersNest.com. Ackley, P.O. (1927) [1962]. Handbook for Shooters & Reloaders. vol I (12th Printing ed.). Salt Lake City, Utah: Plaza Publishing. p. 442....
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  • Thumbnail for .257 Roberts
    official "+P" designation. P.O. Ackley said that the .257 Roberts Ackley Improved was probably the most useful all-around cartridge. Making an Ackley Improved...
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  • Thumbnail for .219 Zipper
    The .219 Zipper is the parent case of the .219 Donaldson Wasp, and P.O. Ackley created the .219 Zipper Improved in 1937. Leslie Lindahl's Chucker and...
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  • diplomat Henry M. Ackley (1827–1912), American politician Jonathan Ackley, American video game designer, writer, and programmer P.O. Ackley (1903–1989), American...
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  • Thumbnail for .224 Weatherby Magnum
    but the majority require a minimum of 6mm. Well known firearms author P.O. Ackley believed that fast 22 caliber cartridges were suitable for medium-large...
    6 KB (558 words) - 03:46, 29 September 2023
  • Thumbnail for .25 Winchester Super Short Magnum
    almost identical to the improved version of the .257 Roberts, which P.O. Ackley said was his favorite choice for an all-around cartridge. .223 WSSM ...
    4 KB (299 words) - 18:38, 25 April 2024
  • Thumbnail for ICL cartridges
    25-35 Winchester and similar to the .25/35 Ackley Improved. Can also be made by necking-down .30-30. P.O. Ackley calls it "efficient and surprising". Performance...
    20 KB (2,324 words) - 12:09, 23 January 2024
  • Mr. Schuetz had been partnered in business with well-known gunsmith P.O. Ackley. In 1975 the company moved to Olympia, Washington, and while its business...
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  • Thumbnail for 7×57mm Mauser
    by C.I.P. or its American equivalent, SAAMI. These cartridges are known as wildcat cartridges. The US wildcat cartridge developer P.O. Ackley developed...
    27 KB (2,939 words) - 02:02, 15 June 2024
  • Casull also worked with Oregon-based gunsmith P.O. Ackley, the famous wildcat cartridge developer. Ackley developed a family of improved wildcat cartridges...
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  • Thumbnail for .280 Remington
    in imported self-loading rifles such as those by Remington. One of P.O. Ackley's earliest wildcats was the 7mm-06 Improved, which was made by necking...
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  • Thumbnail for 6.5×52mm Carcano
    experimental handloaders such as P.O. Ackley found the rifle was able to handle excess pressure, with even Ackley's abuse "unable to break the action...
    11 KB (1,196 words) - 06:47, 12 August 2024
  • Thumbnail for .30-30 Winchester
    caliber, and 6.5 mm diameters. In addition, P.O. Ackley used the cartridge as the basis for the .30-30 Ackley Improved. .30 Remington .300 Savage .30-40...
    28 KB (3,682 words) - 03:45, 24 June 2024
  • Thumbnail for Hydrostatic shock
    over 67,000 patients during the fourteen months that he operated it. P.O. Ackley estimates that 85% of the patients were suffering from gunshot wounds...
    44 KB (5,654 words) - 15:58, 14 March 2024
  • Thumbnail for Gardner Ackley
    Hugh Gardner Ackley (June 30, 1915 – February 12, 1998) was an American economist and diplomat. Ackley served as a member of the Council of Economic Advisers...
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  • Thumbnail for Joc-O-Sot
    While in Cleveland he began a close association with Dr. Horace Ackley. Through Ackley he was introduced to Dan Marble, and with the purpose of providing...
    11 KB (1,272 words) - 07:30, 30 July 2024
  • Thumbnail for .308×1.5-inch Barnes
    and a Remington Rolling Block with a 1 in 10 (254 mm) twist built by P.O. Ackley. Due to the weights of the bullet and the performance of the cartridge...
    6 KB (641 words) - 08:46, 19 November 2023
  • p.76, ".256 Newton". ".358 Norma Magnum History". Terminal Ballistics Research. Retrieved January 8, 2019. "Reloading Data .35 Newton (P.O. Ackley Data)...
    8 KB (1,017 words) - 20:57, 4 December 2023
  • Robert E. Petersen in 1958 and has featured famed gunwriters such as P.O. Ackley, Craig Boddington, Jeff Cooper, Garry James, Bill Jordan, Elmer Keith...
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  • Thumbnail for .378 Weatherby Magnum
    378+Weatherby+Magnum.html Ackley, P.O. (1927) [1962]. Handbook for Shooters & Reloaders. vol I (12th Printing ed.). Salt Lake City, Utah: Plaza Publishing. p. 442....
    7 KB (618 words) - 04:22, 11 January 2024