Load data for 7 x 57 + 100gr Sierra VarmintKing
Based on C.I.P., the max. allowed case length is 2.244 in / 57.00 mm, the max. cartridge length is 3.071 in / 78.00 mm, and the max. allowed pressure is 56,565 PSI / 3,900 bar.
Based on C.I.P., the max. allowed case length is 2.244 in / 57.00 mm, the max. cartridge length is 3.071 in / 78.00 mm, and the max. allowed pressure is 56,565 PSI / 3,900 bar.
Load Specifications
ImperialMetric
Bullet:.284 | 100gr | VarmintKing
Cartridge:7 x 57 load data
Case Length (L3):2.244" | 57.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.228" | 5.8 mm
Case Capacity:61 gow | 3.95 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):56,565 psi | 3,900 bar
Barrel Length:23.6" | 600 mm
Min. Twist Rate:1:15.0
Get PRO license to unlock all data and calculators
Community Loads for 7 x 57 + 100gr Sierra 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) |
|---|---|---|---|---|---|
| 46.9 gr | 3.071" | 26.0" | 2818 fps | ••• | |
| 49.2 gr | 3.071" | 26.0" | 2944 fps | ••• | |
| 46.0 gr | 2.900" | 24.0" | 2932 fps | ••• | |
| ••• | 2.900" | 24.0" | 3083 fps | ••• | |
| ••• | 3.071" | 26.0" | 2979 fps | ••• | |
| ••• | 3.071" | 26.0" | 3035 fps | ••• | |
| ••• | 2.900" | 24.0" | 2818 fps | ••• | |
| ••• | 3.071" | 26.0" | 2909 fps | ••• | |
| ••• | 3.071" | 26.0" | 2850 fps | ••• | |
| ••• | 3.071" | 26.0" | 2920 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.