Load data for .243 WSSM + 55gr Nosler Ballistic Tip Lead Free
The most recommended powders for this combination are Hodgdon H414.
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
Cartridge:.243 WSSM load data
Case Length (L3):1.663" | 42.2 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.353" | 9.0 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:1:8.5
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Community Loads for .243 WSSM + 55gr Nosler Ballistic Tip Lead Free
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) |
|---|---|---|---|---|---|
| 42.0 gr | 2.260" | 24.0" | 3607 fps | ••• | |
| 44.0 gr | 2.260" | 24.0" | 3751 fps | ••• | |
| 43.0 gr | 2.260" | 24.0" | 3636 fps | ••• | |
| ••• | 2.260" | 24.0" | 3770 fps | ••• | |
| ••• | 2.260" | 24.0" | 3941 fps | ••• | |
| ••• | 2.260" | 24.0" | 3754 fps | ••• | |
| ••• | 2.260" | 24.0" | 3919 fps | ••• | |
| ••• | 2.260" | 24.0" | 3810 fps | ••• | |
| ••• | 2.260" | 24.0" | 3694 fps | ••• | |
| ••• | 2.260" | 24.0" | 3858 fps | ••• | |
| ••• | 2.260" | 24.0" | 3667 fps | ••• | |
| ••• | 2.260" | 24.0" | 3820 fps | ••• | |
| ••• | 2.260" | 24.0" | 3712 fps | ••• | |
| ••• | 2.260" | 24.0" | 3849 fps | ••• | |
| ••• | 2.260" | 24.0" | 3914 fps | ••• | |
| ••• | 2.260" | 24.0" | 3807 fps | ••• | |
| ••• | 2.260" | 24.0" | 3694 fps | ••• | |
| ••• | 2.260" | 24.0" | 3875 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.