Load data for .223 Ackley Improved + 77gr Sierra HPBT MatchKing
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
Bullet:.224 | 77gr | HPBT MatchKing
Cartridge:.223 Ackley Improved load data
Case Length (L3):1.760" | 44.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.499" | 12.7 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:1:9.0
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Community Loads for .223 Ackley Improved + 77gr Sierra HPBT MatchKing
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) |
|---|---|---|---|---|---|
| 23.4 gr | 2.265" | 24.0" | 2645 fps | ••• | |
| 24.5 gr | 2.265" | 24.0" | 2751 fps | ••• | |
| 25.4 gr | 2.265" | 24.0" | 2836 fps | ••• | |
| ••• | 2.265" | 24.0" | 2480 fps | ••• | |
| ••• | 2.265" | 24.0" | 2617 fps | ••• | |
| ••• | 2.265" | 24.0" | 2713 fps | ••• | |
| ••• | 2.265" | 24.0" | 2789 fps | ••• | |
| ••• | 2.265" | 24.0" | 2499 fps | ••• | |
| ••• | 2.265" | 24.0" | 2604 fps | ••• | |
| ••• | 2.265" | 24.0" | 2715 fps | ••• | |
| ••• | 2.265" | 24.0" | 2702 fps | ••• | |
| ••• | 2.265" | 24.0" | 2802 fps | ••• | |
| ••• | 2.265" | 24.0" | 2911 fps | ••• | |
| ••• | 2.265" | 24.0" | 2575 fps | ••• | |
| ••• | 2.265" | 24.0" | 2687 fps | ••• | |
| ••• | 2.265" | 24.0" | 2785 fps | ••• | |
| ••• | 2.265" | 24.0" | 2498 fps | ••• | |
| ••• | 2.265" | 24.0" | 2565 fps | ••• | |
| ••• | 2.265" | 24.0" | 2669 fps | ••• | |
| ••• | 2.265" | 24.0" | 2706 fps | ••• | |
| ••• | 2.265" | 24.0" | 2819 fps | ••• | |
| ••• | 2.265" | 24.0" | 2922 fps | ••• | |
| ••• | 2.265" | 24.0" | 2464 fps | ••• | |
| ••• | 2.265" | 24.0" | 2555 fps | ••• | |
| ••• | 2.265" | 24.0" | 2657 fps | ••• | |
| ••• | 2.265" | 24.0" | 2767 fps | ••• | |
| ••• | 2.265" | 24.0" | 2570 fps | ••• | |
| ••• | 2.265" | 24.0" | 2668 fps | ••• | |
| ••• | 2.265" | 24.0" | 2777 fps | ••• | |
| ••• | 2.265" | 24.0" | 2434 fps | ••• | |
| ••• | 2.265" | 24.0" | 2527 fps | ••• | |
| ••• | 2.265" | 24.0" | 2628 fps | ••• | |
| ••• | 2.265" | 24.0" | 2729 fps | ••• | |
| ••• | 2.265" | 24.0" | 2537 fps | ••• | |
| ••• | 2.265" | 24.0" | 2625 fps | ••• | |
| ••• | 2.265" | 24.0" | 2712 fps | ••• | |
| ••• | 2.265" | 24.0" | 2817 fps | ••• | |
| ••• | 2.265" | 24.0" | 2502 fps | ••• | |
| ••• | 2.265" | 24.0" | 2627 fps | ••• | |
| ••• | 2.265" | 24.0" | 2724 fps | ••• | |
| ••• | 2.265" | 24.0" | 2380 fps | ••• | |
| ••• | 2.265" | 24.0" | 2458 fps | ••• | |
| ••• | 2.265" | 24.0" | 2541 fps | ••• | |
| ••• | 2.265" | 24.0" | 2626 fps | ••• | |
| ••• | 2.265" | 24.0" | 2709 fps | ••• | |
| ••• | 2.260" | 26.0" | 2920 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.