Load data for .243 WSSM + 55gr Sierra Tipped VarmintKing
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:0.243" | 6.2 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:1:12.5
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Community Loads for .243 WSSM + 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) |
|---|---|---|---|---|---|
| 42.0 gr | 2.360" | 24.0" | 3465 fps | ••• | |
| 42.6 gr | 2.360" | 24.0" | 3510 fps | ••• | |
| 43.2 gr | 2.360" | 24.0" | 3551 fps | ••• | |
| ••• | 2.360" | 24.0" | 3555 fps | ••• | |
| ••• | 2.360" | 24.0" | 3591 fps | ••• | |
| ••• | 2.360" | 24.0" | 3625 fps | ••• | |
| ••• | 2.360" | 24.0" | 3660 fps | ••• | |
| ••• | 2.360" | 24.0" | 3695 fps | ••• | |
| ••• | 2.360" | 24.0" | 3731 fps | ••• | |
| ••• | 2.360" | 24.0" | 3548 fps | ••• | |
| ••• | 2.360" | 24.0" | 3601 fps | ••• | |
| ••• | 2.360" | 24.0" | 3642 fps | ••• | |
| ••• | 2.360" | 24.0" | 3695 fps | ••• | |
| ••• | 2.360" | 24.0" | 3738 fps | ••• | |
| ••• | 2.360" | 24.0" | 3622 fps | ••• | |
| ••• | 2.360" | 24.0" | 3658 fps | ••• | |
| ••• | 2.360" | 24.0" | 3694 fps | ••• | |
| ••• | 2.360" | 24.0" | 3733 fps | ••• | |
| ••• | 2.360" | 24.0" | 3769 fps | ••• | |
| ••• | 2.360" | 24.0" | 3805 fps | ••• | |
| ••• | 2.360" | 24.0" | 3843 fps | ••• | |
| ••• | 2.360" | 24.0" | 3523 fps | ••• | |
| ••• | 2.360" | 24.0" | 3567 fps | ••• | |
| ••• | 2.360" | 24.0" | 3610 fps | ••• | |
| ••• | 2.360" | 24.0" | 3653 fps | ••• | |
| ••• | 2.360" | 24.0" | 3695 fps | ••• | |
| ••• | 2.360" | 24.0" | 3740 fps | ••• | |
| ••• | 2.360" | 24.0" | 3780 fps | ••• | |
| ••• | 2.360" | 24.0" | 3501 fps | ••• | |
| ••• | 2.360" | 24.0" | 3537 fps | ••• | |
| ••• | 2.360" | 24.0" | 3444 fps | ••• | |
| ••• | 2.360" | 24.0" | 3488 fps | ••• | |
| ••• | 2.360" | 24.0" | 3534 fps | ••• | |
| ••• | 2.360" | 24.0" | 3579 fps | ••• | |
| ••• | 2.360" | 24.0" | 3623 fps | ••• | |
| ••• | 2.360" | 24.0" | 3712 fps | ••• | |
| ••• | 2.360" | 24.0" | 3564 fps | ••• | |
| ••• | 2.360" | 24.0" | 3610 fps | ••• | |
| ••• | 2.360" | 24.0" | 3652 fps | ••• | |
| ••• | 2.360" | 24.0" | 3309 fps | ••• | |
| ••• | 2.360" | 24.0" | 3338 fps | ••• | |
| ••• | 2.360" | 24.0" | 3359 fps | ••• | |
| ••• | 2.360" | 24.0" | 3529 fps | ••• | |
| ••• | 2.360" | 24.0" | 3568 fps | ••• | |
| ••• | 2.360" | 24.0" | 3604 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.