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.30-06 Ackley Improved
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Caliber Specifications:
Caliber: | .30-06 Ackley Improved |
Standard / Datasheet: | C.I.P. |
Bullet Diameter: | 0.308" | 7.82mm |
Primer Size: | Large Rifle (LR) |
Max. Case Length: | 2.486" | 63.14mm |
Max. Cartridge Length / OAL: | 3.332" | 84.63mm |
Max. Standardized Pressure: | 58740 psi | 4050 bar |
Case Capacity: | 70.0 Grains of Water | 4.55 cm3 |
CID: | CID_323 |
Last updated: | 2/20/2025 |
- The .30-06 Ackley Improved is a modified version of the classic .30-06 Springfield cartridge, designed by P.O. Ackley to enhance performance. By altering the shoulder angle to 40 degrees and minimizing body taper, this improved cartridge increases case capacity, allowing for higher velocities and better ballistic efficiency. These modifications provide flatter trajectories, reduced bullet drop, and potentially improved accuracy. Importantly, the .30-06 Ackley Improved still allows the use of standard .30-06 Springfield ammunition, making it versatile. The improved round is popular among handloaders, hunters, and long-range shooters due to its enhanced performance without drastically changing rifle design.
Weight vs. Velocity - Suitable Bullets for this Caliber
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Barrel Length Variation vs. Velocity - by Bullet Weight
.30-06 Ackley Improved load data available with the following bullets:
(most popular first)
Filter by Bullet Weight (Grains)
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