Ammunition Artifacts

Custom Cartridge Cases

30/06 Ackley Improved (40° Shoulder)

$90.00
Sold Out
30/06 Ackley Improved (40° Shoulder)

30/06 Ackley Improved (40° Shoulder)

$90.00
Sold Out

Quantity 20,

All cases have been formed from NEW Remington 35 Whelen brass. Each case has been Fully formed, annealed 2x, trimmed to proper length, chamfered de-burred, full length sized and tumble polished.

All cases are fully prepped and ready to load

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Quantity 20,

All cases have been formed from NEW Remington 35 Whelen brass. Each case has been Fully formed, annealed 2x, trimmed to proper length, chamfered de-burred, full length sized and tumble polished.

All cases are fully prepped and ready to load

30/06 Ackley Improved (40° Shoulder)

MID-CENTURY IMPROVEMENTS TO THE ANTIQUATED 30-06 SPRINGFIELD

In the mid-20th century Mr. P.O. Ackley created an improved version of the 30-06 that to this day bears his name. P.O. Ackley took most of the taper out of the 30-06 case (commonly referred to as “straightening the case”) and pushed its gently sloping shoulder angle to a radical 40-degrees. That increased the case’s powder capacity about 5 percent, making room for enough extra fuel to push a 180-grain bullet nearly to the same muzzle velocity as the best known, factory loaded magnum of the day, the 300 H&H Magnum.

In order to fit the 30-06 Ackley Improved into a standard 30-06 chamber, one must ream that chamber to the new dimensions of the Improved case. The beautiful thing about this and similar Ackley Improved cartridges is that the head-spacing datum line — the shoulder/neck junction — remains the same as the original. If the gunsmith reams the new chamber properly, factory 30-06 cartridges can be fired in it with perfect headspace, function, and safety. The additional chamber volume results in slightly less velocity, but the cases expand to fit. They can subsequently be hand-loaded to reach the new, top-end velocity potential.

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