.30-06 Ackley Improved Load Data & Reloading Guide
Also known as: .30-06 AI, .30-06 Ackley, .30-06 Springfield Ackley Improved
About .30-06 Ackley Improved
The .30-06 Ackley Improved is a modified version of the classic .30-06 Springfield cartridge, developed by firearms designer P.O. Ackley in the mid-20th century. This improved version was created to enhance performance through a redesign that incorporates a sharper shoulder angle and increased capacity, effectively raising the chamber pressure and optimizing powder burn. The .30-06 Springfield itself has a rich history, being adopted by the U.S. military in 1906 and serving through both World Wars, which has contributed to its enduring popularity among civilian shooters and hunters alike.
In terms of technical characteristics, the .30-06 Ackley Improved features a case capacity increase, typically around 10 percent, allowing for more powder to be utilized. This results in higher velocities when compared to standard .30-06 loads. Ballistic performance is notable, with effective range and powerful terminal ballistics, making it well-suited for long-range shooting with good energy retention.
Reloaders often utilize bullet weights ranging from 150 to 220 grains, with 165 and 180 grains being the most common for big game hunting. The caliber excels in versatility, accommodating both lighter bullets for varmint shooting and heavier projectiles for larger game, such as deer and elk. The improved shoulder design not only aids in chambering but also helps with better case extraction, making reloading smoother.
For reloaders, the .30-06 Ackley Improved offers specific advantages, including the ability to utilize a wider variety of powders and bullets while achieving higher velocities without excessive pressure. Enhanced case life is another notable benefit, as the design allows for minimal stretching during firing, making the cases viable for multiple reload cycles. Overall, the .30-06 Ackley Improved stands out as an exceptional choice for reloaders seeking performance, accuracy, and versatility in a modern hunting and shooting caliber.
Technical Drawing

Technical Specifications
Start Calculating to Develop your own Load Data for .30-06 Ackley Improved
Use our professional ballistics calculator to develop safe and accurate load recipes for .30-06 Ackley Improved.
Start CalculatingBrass Case Capacities
The following table shows the case capacity (Grains of Water) for brass in cartridge .30-06 Ackley Improved where we have data (number of datapoints in brackets).
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Standard Load Data — .30-06 Ackley Improved
Select your desired cartridge and bullet weight below to access the corresponding load table. From there, you can choose any listed load recipe and transfer it directly into the ballistics calculator for further refinement, optimization, and precision tuning.
.308 | 125gr | Sierra MatchKing
.308 | 170gr | Sako Blade
.311 | 123gr | CamPro FCP
.308 | 210gr | Berger VLD Hunting
.308 | 145gr | Prvi Partizan FMJ BT
.308 | 168gr | Nosler Expansion Tip
.308 | 150gr | Speer Gold Dot
.308 | 220gr | Sierra MatchKing
.308 | 123gr | SAKO 129A Gamehead
.308 | 155gr | Berger BT Target
.308 | 175gr | SAKO Blade
.308 | 220gr | Sako Hammerhead
.308 | 200gr | Swift A-Frame
.308 | 125gr | Nosler Ballistic Tip Hunting
.308 | 220gr | Winchester Silvertip
.308 | 162gr | SAKO Blade
.311 | 150gr | Lehigh Defense Match Solid
.308 | 159gr | Hasler ARIETE
.311 | 155gr | Frontier FBSP
.310 | 123gr | Hornady SP
.308 | 123gr | Sako Gamehead
.308 | 200gr | Nosler AccuBond
.308 | 200gr | Reichenberg Subsonic
.308 | 150gr | Hornady InterBond
Community Loads — .30-06 Ackley Improved
Here are some popular loads for .30-06 Ackley Improved:
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| Bullet | Powder | Barrel (in) | Charge (gr) | Case Volume (GoW) | OAL (in) | Max. Pressure (psi) | Muzzle Velocity (fps) | |
|---|---|---|---|---|---|---|---|---|
.308 | 150gr | Barnes TTSX BT (150gr) | ADI AR 2209 | 24.8 | ••.• | 72.9 | 3.33 | 48,733 (78%) | 2913 | |
.308 | 150gr | Barnes TTSX BT (150gr) | ADI AR 2208 | 24.8 | 55.0 | 72.9 | 3.33 | 54,056 (87%) | 2956 | |
.308 | 150gr | Barnes TTSX BT (150gr) | ADI AR 2209 | 24.8 | 61.0 | 72.9 | 3.33 | 46,108 (74%) | 2864 | |
.308 | 150gr | Barnes TTSX BT (150gr) | ADI AR 2209 | 24.8 | 62.0 | 72.9 | 3.33 | 48,849 (78%) | 2917 | |
.308 | 155gr | Atomic 29 HP (155gr) | ADI AR 2209 | 24.8 | ••.• | 72.9 | 3.28 | 51,155 (82%) | 2917 | |
.308 | 155gr | Sierra HPBT Palma MK (155gr) | ADI AR 2208 | 24.0 | ••.• | 70.0 | 3.33 | 53,592 (86%) | 2877 | |
.308 | 155gr | Sierra HPBT Palma MK (155gr) | ADI AR 2208 | 24.0 | ••.• | 70.0 | 3.33 | 43,265 (69%) | 2694 | |
M.308 | 165gr | Nosler Accubond (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 58,885 (94%) | 2884 | |
M.308 | 165gr | Nosler Accubond (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 58,349 (94%) | 2874 | |
M.308 | 165gr | Nosler Accubond (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 57,682 (92%) | 2864 | |
M.308 | 165gr | Nosler Accubond (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 56,391 (90%) | 2848 | |
.308 | 165gr | Nosler Accubond (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 55,593 (89%) | 2841 | |
.308 | 165gr | Nosler Accubond (165gr) | Vihtav N160 | 26.0 | ••.• | 70.0 | 3.33 | 50,082 (80%) | 2818 | |
.308 | 165gr | Nosler Accubond (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 53,272 (85%) | 2805 | |
.308 | 165gr | Nosler Accubond (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 52,533 (84%) | 2799 | |
.308 | 165gr | Nosler Accubond (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 51,764 (83%) | 2785 | |
M.308 | 165gr | Sierra SBT GameKing (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 60,568 (97%) | 2923 | |
.308 | 165gr | Sierra SBT GameKing (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 53,954 (87%) | 2835 | |
M.308 | 165gr | Sierra Tipped GameKing (165gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 58,015 (93%) | 2881 | |
.308 | 168gr | Nosler AccuBond Long Range (168gr) | Allian Reloder-26 | 24.0 | ••.• | 70.0 | 3.33 | 42,670 (68%) | 2749 | |
.308 | 168gr | Nosler AccuBond Long Range (168gr) | Allian Reloder-26 | 24.0 | ••.• | 70.0 | 3.33 | 33,939 (54%) | 2539 | |
M.308 | 180gr | Nosler AccuBond (180gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 59,277 (95%) | 2762 | |
.308 | 180gr | Nosler AccuBond (180gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 55,869 (90%) | 2720 | |
.308 | 180gr | Nosler AccuBond (180gr) | Vihtav N150 | 26.0 | ••.• | 70.0 | 3.33 | 52,750 (85%) | 2680 |
Frequently Asked Questions
The maximum pressure for .30-06 Ackley Improved is 62,366 psi | 4,300 bar.
.30-06 Ackley Improved typically uses a Large Rifle (LR) primer.
The case capacity of .30-06 Ackley Improved is approximately 70 grains of water (H₂O).