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Parker Otto Ackley (May 25, 1903 – August 23, 1989) [1] was an American gunsmith, barrel maker, author, columnist, and wildcat cartridge developer. The Ackley Improved family of wildcat cartridges are designed to be easily made by rechambering existing firearms, and fireforming the ammunition to decrease body taper and increase shoulder angle, resulting in a higher case capacity.
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.22 Eargesplitten Loudenboomer. This humorously named cartridge was developed by P. O. Ackley specifically to exceed 5,000 ft/s (1,500 m/s) muzzle velocity. Based on a .378 Weatherby Magnum case, the case is impractically overpowered for the bore diameter, and so the cartridge remains a curiosity. [11] [12] 7 mm TCU (also known as 7TCU).
The .378 Weatherby Magnum was designed by Roy Weatherby in 1953. [3] [4] Although inspired by the .416 Rigby, it is an original belted magnum design with no parent case. [5]The cartridge features a high powder capacity relative to its bore size, and can hold upwards of 7.13 g (120 gr) of powder.
.22 caliber, or 5.6 mm, refers to a common firearms bore diameter of 0.22 inch (5.6 mm) in both rimfire and centerfire cartridges. Cartridges in this caliber include the very widely used .22 Long Rifle and .223 Remington / 5.56×45mm NATO .
It is currently the fastest production .22 caliber round in the world with muzzle velocities as high as 4,600 feet per second (1,402 meters per second). However, the .220 Swift still holds the record as the fastest .22 caliber centerfire cartridge with a published velocity of 4,665 ft/s (1,422 m/s) using a 29-grain (1.9 g) projectile and 42 ...
Outdoor Life Network, Discovery Channel: 2006 2: 7 10 August 2007 21 September 2007 Outdoor Life Network, Discovery Channel: 2008 3: 6 7 November 2008 19 December 2008 Outdoor Life Network, Discovery Channel: 2009 4: 4 30 June 2012 21 July 2012 Science Channel, Outdoor Life Network: 2013 5: 8 1 January 2014 26 March 2014 Science Channel, Travel ...
Gander Mountain offered sportswear, hunting, fishing, camping, and other related outdoor recreation equipment. [12] Gander Mountain was formerly traded on NASDAQ but was turned into a private company under the majority ownership of David Pratt and the Erickson family, [13] which own Holiday gas stations. David C. Pratt was elected chairman of ...