Load data for .243 WSSM + 100gr Speer Boat-Tail
Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Based on C.I.P., the max. allowed case length is 1.670 in / 42.42 mm, the max. cartridge length is 2.360 in / 59.94 mm, and the max. allowed pressure is 63,817 PSI / 4,400 bar.

Load Specifications
ImperialMetric
Bullet:.243 | 100gr | Boat-Tail
Cartridge:.243 WSSM load data
Case Length (L3):1.663" | 42.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.396" | 10.1 mm
Case Capacity:53.9 gow | 3.49 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):63,817 psi | 4,400 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:10.0
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Community Loads for .243 WSSM + 100gr Speer Boat-Tail
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) |
|---|---|---|---|---|---|
| 38.5 gr | 2.360" | — | 2757 fps | ••• | |
| 40.5 gr | 2.360" | — | 2887 fps | ••• | |
| 36.6 gr | 2.300" | 24.0" | 2842 fps | ••• | |
| ••• | 2.300" | 24.0" | 2698 fps | ••• | |
| ••• | 2.300" | 24.0" | 2941 fps | ••• | |
| ••• | 2.360" | 24.0" | 2941 fps | ••• | |
| ••• | 2.360" | 24.0" | 2732 fps | ••• | |
| ••• | 2.360" | 24.0" | 2821 fps | ••• | |
| ••• | 2.300" | 24.0" | 2981 fps | ••• | |
| ••• | 2.360" | — | 2709 fps | ••• | |
| ••• | 2.300" | 24.0" | 2791 fps | ••• | |
| ••• | 2.300" | 24.0" | 2971 fps | ••• | |
| ••• | 2.360" | — | 2739 fps | ••• | |
| ••• | 2.300" | 24.0" | 2851 fps | ••• | |
| ••• | 2.300" | 24.0" | 3022 fps | ••• | |
| ••• | 2.300" | 24.0" | 2704 fps | ••• | |
| ••• | 2.300" | 24.0" | 2933 fps | ••• | |
| ••• | 2.300" | 24.0" | 2900 fps | ••• | |
| ••• | 2.300" | 24.0" | 2897 fps | ••• | |
| ••• | 2.300" | 24.0" | 2962 fps | ••• | |
| ••• | 2.360" | — | 2708 fps | ••• | |
| ••• | 2.300" | 24.0" | 2818 fps | ••• | |
| ••• | 2.300" | 24.0" | 3033 fps | ••• | |
| ••• | 2.300" | 24.0" | 2847 fps | ••• | |
| ••• | 2.300" | 24.0" | 3054 fps | ••• | |
| ••• | 2.300" | 24.0" | 2864 fps | ••• | |
| ••• | 2.300" | 24.0" | 3085 fps | ••• | |
| ••• | 2.300" | 24.0" | 2989 fps | ••• | |
| ••• | 2.360" | — | 3002 fps | ••• | |
| ••• | 2.360" | — | 3141 fps | ••• | |
| ••• | 2.300" | 24.0" | 2791 fps | ••• | |
| ••• | 2.300" | 24.0" | 2971 fps | ••• | |
| ••• | 2.300" | 24.0" | 2997 fps | ••• | |
| ••• | 2.300" | 24.0" | 2826 fps | ••• | |
| ••• | 2.300" | 24.0" | 3009 fps | ••• | |
| ••• | 2.300" | 24.0" | 2789 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.