** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** The post-World War II era was a ...
The .221 Remington Fireball was originally introduced in the early 1960s as a handgun cartridge for the futuristic XP-100 handgun. Apparently, the name was derived from the tremendous muzzle flash ...