Load data for .223 Ackley Improved + 55gr Sierra Tipped VarmintKing
Based on Wildcat, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.

Based on Wildcat, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.

Load Specifications
ImperialMetric
Cartridge:.223 Ackley Improved load data
Case Length (L3):1.760" | 44.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.380" | 9.7 mm
Case Capacity:32.4 gow | 2.10 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (Wildcat):55,114 psi | 3,800 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:8.5
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Community Loads for .223 Ackley Improved + 55gr Sierra Tipped VarmintKing
Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.
| Powder | Charge (gr) | C.O.L. | Barrel Length | Velocity (fps) | Pressure (psi) |
|---|---|---|---|---|---|
| 22.5 gr | 2.280" | 24.0" | 2841 fps | ••• | |
| 23.3 gr | 2.280" | 24.0" | 2931 fps | ••• | |
| 24.1 gr | 2.280" | 24.0" | 3018 fps | ••• | |
| ••• | 2.280" | 24.0" | 3159 fps | ••• | |
| ••• | 2.280" | 24.0" | 3015 fps | ••• | |
| ••• | 2.280" | 24.0" | 3135 fps | ••• | |
| ••• | 2.280" | 24.0" | 3321 fps | ••• | |
| ••• | 2.280" | 24.0" | 2889 fps | ••• | |
| ••• | 2.280" | 24.0" | 2950 fps | ••• | |
| ••• | 2.280" | 24.0" | 3074 fps | ••• | |
| ••• | 2.280" | 24.0" | 3128 fps | ••• | |
| ••• | 2.280" | 24.0" | 2822 fps | ••• | |
| ••• | 2.280" | 24.0" | 2956 fps | ••• | |
| ••• | 2.280" | 24.0" | 3057 fps | ••• | |
| ••• | 2.280" | 24.0" | 3148 fps | ••• | |
| ••• | 2.280" | 24.0" | 2828 fps | ••• | |
| ••• | 2.280" | 24.0" | 2904 fps | ••• | |
| ••• | 2.280" | 24.0" | 3007 fps | ••• | |
| ••• | 2.280" | 24.0" | 3098 fps | ••• | |
| ••• | 2.280" | 24.0" | 3191 fps | ••• | |
| ••• | 2.280" | 24.0" | 3012 fps | ••• | |
| ••• | 2.280" | 24.0" | 3157 fps | ••• | |
| ••• | 2.280" | 24.0" | 3238 fps | ••• | |
| ••• | 2.280" | 24.0" | 3321 fps | ••• | |
| ••• | 2.280" | 24.0" | 2779 fps | ••• | |
| ••• | 2.280" | 24.0" | 2900 fps | ••• | |
| ••• | 2.280" | 24.0" | 3003 fps | ••• | |
| ••• | 2.280" | 24.0" | 3090 fps | ••• | |
| ••• | 2.280" | 24.0" | 3131 fps | ••• | |
| ••• | 2.280" | 24.0" | 2987 fps | ••• | |
| ••• | 2.280" | 24.0" | 3027 fps | ••• | |
| ••• | 2.280" | 24.0" | 3164 fps | ••• | |
| ••• | 2.280" | 24.0" | 3251 fps | ••• | |
| ••• | 2.280" | 24.0" | 3273 fps | ••• | |
| ••• | 2.280" | 24.0" | 2746 fps | ••• | |
| ••• | 2.280" | 24.0" | 2799 fps | ••• | |
| ••• | 2.280" | 24.0" | 2938 fps | ••• | |
| ••• | 2.280" | 24.0" | 3025 fps | ••• | |
| ••• | 2.280" | 24.0" | 2805 fps | ••• | |
| ••• | 2.280" | 24.0" | 2942 fps | ••• | |
| ••• | 2.280" | 24.0" | 3030 fps | ••• | |
| ••• | 2.280" | 24.0" | 3133 fps | ••• | |
| ••• | 2.280" | 24.0" | 2830 fps | ••• | |
| ••• | 2.280" | 24.0" | 2980 fps | ••• | |
| ••• | 2.280" | 24.0" | 3020 fps | ••• | |
| ••• | 2.280" | 24.0" | 3116 fps | ••• | |
| ••• | 2.280" | 24.0" | 2904 fps | ••• | |
| ••• | 2.280" | 24.0" | 2946 fps | ••• | |
| ••• | 2.280" | 24.0" | 3073 fps | ••• | |
| ••• | 2.280" | 24.0" | 3149 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.