6mm-.284
A unique distinction held by the
.284 Winchester
cartridge is that two of its wildcat offspring enjoy greater popularity among
American shooters than their parent. One is the 6mm-284. According to
RCBS, the sale of reloading dies for the
6mm-284 indicate that during the 1980's, it is still one of our most popular
wildcats.
It is impossible to say for certain who first created the 6mm-284, since
about every wildcatter worth his salt cried out with glee and quickly pounced
on the .284
case as soon as it was introduced. We do know that the
.284 was necked
both up and down to a number of other calibers, including .224", .257", 6.5mm,
.270", .308", .338", 8mm, and .358". All except the 6mm, .257", and .338"
versions seem to have faded away.
Some fantastic claims were once made for the 6mm-284 but the age of affordable
chronographs has separated fact from hot air. All thing considered, including
chamber pressures and barrels length, the 6mm-284 will push all bullet weights
about 100 to 150 fps faster than is possible with the
6mm Remington.
Ballistically, the 6mm-284 and the
.240 Weatherby
Magnum are much alike.
Like all 6mm cartridges, the 6mm-284, loaded with bullets weighing 70-87
grains, is a deadly varmint cartridge. For shooting deer sized game with
this cartridge, bullets with thicker jackets of 90 to 105 grains should be
used. For all around use, the Nosler
100 grain Partition is an excellent choice for this.
Due to its extremely sharp shoulder angle, the
.284 Winchester
case is subject to collapsing when its neck is squeezed down to a smaller
caliber, resulting in a high percentage of ruined cases. This is best avoided
by using dies available from RCBS,
Hornady, and
Redding.
Source: Hodgdon Data Manual, 26th Edition
| 6mm-.284 Reloading Components & Accessories | |
Hornady Shell Holder #1
 |
RCBS
Case Trimmer Pilot .24 Caliber
 |
| 243 (6mm) Caliber (.243) Bullets | RCBS
Ammo Box(#86902)
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