.400 Taylor Magnum
From Infogalactic: the planetary knowledge core
The .400 Taylor Magnum is a rifle cartridge. It was derived from "a modified .505 Gibbs, necked down to 0.375 inches".[1] The .408 Cheyenne Tactical and the .375 Cheyenne Tactical were later based on the .400 Taylor Magnum.[1][2]
References
<templatestyles src="Asbox/styles.css"></templatestyles>