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A wildcat cartridge, often shortened to wildcat, is a custom-made cartridge for which ammunition and/or firearms are not mass-produced. These cartridges are often created as experimental variants to optimize a certain ballistic performance characteristic (such as the power, size, or efficiency) of an existing commercial cartridge, or may merely ...
The .303/25, sometimes known as the .25/303 is a wildcat centrefire rifle cartridge, based on the .303 British, necked down to fire a .257 projectile, originating in Australia in the 1940s as a cartridge for sporterised rifles, particularly on the Lee–Enfield action; similar versions also appeared in Canada around the same time.
The 7.62×40mm WT (Wilson Tactical) [2] is based on the 7.62×40mm wildcat cartridge, the shoulder of the WT was moved .003" forward and the throat was made .001" larger to accommodate mass-production tolerances while staying within the tolerance of the original reloading die tooling of the 7.62×40mm. [1]
This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name. Data values are the highest found for the cartridge, and might not occur in the same load (e.g. the highest muzzle energy might not be in the same load as the highest muzzle velocity, since the bullet weights can differ between loads).
P.O. Ackley was a notable gunsmith famous for developing wildcat cartridges from parent cartridges like the 30-06 Springfield. For many of the wildcats listed above, and several of standardized commercial chamberings based on the 30-06 cartridge, there are "Ackley Improved" versions with sharper shoulders increasing case capacity. [25]
Source(s): Ammo Guide [1] The .17-223 / 4.4x45mm is a centerfire wildcat rifle cartridge . It is based on the .223 Remington , but the neck is re-sized to accept a .17 caliber bullet.
ICL cartridges are wildcats based on conventional cases in use at the time. They feature a 45 degree shoulder [3] and the sides are straightened out compared to the parent cartridge. Most of the cartridges are considered improved cartridges since they simply create more powder space while maintaining the same caliber as the parent cartridge ...
This category includes wildcat cartridges as well as cartridges created as wildcats that were later produced commercially. The main article for this category is Wildcat cartridge . Pages in category "Wildcat cartridges"