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6mm-284 winchester
The 1963 introduction of the 284 Winchester brought forth a furious round of wildcatting with the new cartridge, and the 6mm-284 was perhaps the most popular development to emerge.

The 6mm-284 has greater powder capacity than either the 6mm Remington or 243 Winchester, but velocity gains possible with the wildcat are marginal—at least in our test experience.

As interest in the 284 Winchester cartridge has waned, so has enthusiasm for necking it down one millimeter to create the 6mm- 284; and since the fi rst 6mm-284s were developed, a newer 243 caliber cartridge has appeared on the commercial market—the 240 Weatherby Magnum. It is highly improbable that the 6mm-284, with its limited advantages relative to standard factory 6mm cartridges, will ever see commercial development.

6mm-284’s with at least a 1 in 10" twist will handle the full range of Hornady 6mm bullets quite well, making this wildcat suitable both for varmints and medium game. Hornady game bullets, in this as in other calibers, are designed with thicker jackets for better penetration and can be identifi ed by their distinctive cannelures. View more specification