.22 Eargesplitten Loudenboomer
.22 Eargesplitten Loudenboomer | ||||||||||||||||||||
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Type | Rifle cartridge | |||||||||||||||||||
Place of origin | United States | |||||||||||||||||||
Production history | ||||||||||||||||||||
Designer | P.O. Ackley | |||||||||||||||||||
Designed | 1960s | |||||||||||||||||||
Specifications | ||||||||||||||||||||
Parent case | .378 Weatherby Magnum | |||||||||||||||||||
Case type | Flask barrel | |||||||||||||||||||
Bullet diameter | .224" - 5.56mm | |||||||||||||||||||
Rim diameter | Magnum .537" | |||||||||||||||||||
Ballistic performance | ||||||||||||||||||||
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Source(s): quoted "Guns and Ammo Magazine", B. Hutton |
.22 Eargesplitten Loudenboomer is a cartridge for a rifle.
It was invented in the 1960s by P.O. Ackley to set a world record for firing bullets at over 5,000 fps (1,524 m/s). The round failed to reach the desired velocity, reaching 4,600 fps with a 50 grain bullet and 105 grains of H570 powder. It is based on the .378 Weatherby Magnum cartridge case, necked down to .224 calibre.
See also
References
- Mentioned in Handbook for Shooters and Reloaders ISBN 978-99929-4-881-1
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