.17 Mach IV
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The .17 Mach IV / 4.4x35mm is a wildcat centerfire rifle cartridge, based on the .221 Remington Fireball case, necked down to fire a Script error: No such module "convert". bullet. The cartridge was introduced in 1962 by Vern O'Brien.[1] The cartridge offered an easy case conversion and good ballistics, but could not compete against the .17 Remington.[2]
The name, Mach IV, comes from the claim that the bullets can reach Script error: No such module "convert"..[3] Due to the relatively small case capacity, even small variations in powder of Script error: No such module "convert". can lead to the difference between a safe and dangerously over pressure load. Aftermarket barrels for the XP-100 pistol were sometimes marked ".17 Mach III" due to the lower velocity produced by the shorter barrel.[4]
The .17 Mach IV became very popular with varmint hunters, so much so that in 2007, Remington introduced its own very similar version, the .17 Remington Fireball.
See also
References
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- ↑ Cite error: Script error: No such module "Namespace detect".Script error: No such module "Namespace detect".
- ↑ Barnes, Frank C., Cartridges of the World, 7th Edition, p171
- ↑ Script error: No such module "citation/CS1".
- ↑ Wildcat Cartridges: .17 Mach IV Column by Layne Simpson in Handloader Magazine
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