Load data for .300 Win. Mag. + 135gr Sierra HPBT MatchKing
536 suitable loads across 97 powder(s) for cartridge .300 Win. Mag. with 135gr Sierra HPBT MatchKing bullet.
The most recommended powders for this combination are ReloadSwiss RS 70, ReloadSwiss RS 60 and Hodgdon Superformance.
Based on C.I.P., the max. allowed case length is 2.620 in / 66.55 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Based on C.I.P., the max. allowed case length is 2.620 in / 66.55 mm, the max. cartridge length is 3.340 in / 84.84 mm, and the max. allowed pressure is 62,366 PSI / 4,300 bar.
Load Specifications
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Community Loads for .300 Win. Mag. + 135gr 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) |
|---|---|---|---|---|---|
| 64.7 gr | 3.340" | 24.0" | 3096 fps | ••• | |
| 66.7 gr | 3.340" | 24.0" | 3174 fps | ••• | |
| 68.6 gr | 3.340" | 24.0" | 3248 fps | ••• | |
| ••• | 3.340" | 24.0" | 3316 fps | ••• | |
| ••• | 3.340" | 24.0" | 3023 fps | ••• | |
| ••• | 3.340" | 24.0" | 3096 fps | ••• | |
| ••• | 3.340" | 24.0" | 3175 fps | ••• | |
| ••• | 3.340" | 24.0" | 3255 fps | ••• | |
| ••• | 3.340" | 24.0" | 3341 fps | ••• | |
| ••• | 3.340" | 24.0" | 3427 fps | ••• | |
| ••• | 3.340" | 24.0" | 2954 fps | ••• | |
| ••• | 3.340" | 24.0" | 3021 fps | ••• | |
| ••• | 3.340" | 24.0" | 3091 fps | ••• | |
| ••• | 3.340" | 24.0" | 3167 fps | ••• | |
| ••• | 3.340" | 24.0" | 3244 fps | ••• | |
| ••• | 3.340" | 24.0" | 3317 fps | ••• | |
| ••• | 3.340" | 24.0" | 2998 fps | ••• | |
| ••• | 3.340" | 24.0" | 3058 fps | ••• | |
| ••• | 3.340" | 24.0" | 3127 fps | ••• | |
| ••• | 3.340" | 24.0" | 3202 fps | ••• | |
| ••• | 3.340" | 24.0" | 3290 fps | ••• | |
| ••• | 3.340" | 24.0" | 3153 fps | ••• | |
| ••• | 3.340" | 24.0" | 3233 fps | ••• | |
| ••• | 3.340" | 24.0" | 2936 fps | ••• | |
| ••• | 3.340" | 24.0" | 3019 fps | ••• | |
| ••• | 3.340" | 24.0" | 3105 fps | ••• | |
| ••• | 3.340" | 24.0" | 3193 fps | ••• | |
| ••• | 3.340" | 24.0" | 3000 fps | ••• | |
| ••• | 3.340" | 24.0" | 3079 fps | ••• | |
| ••• | 3.340" | 24.0" | 3154 fps | ••• | |
| ••• | 3.340" | 24.0" | 3236 fps | ••• | |
| ••• | 3.340" | 24.0" | 2895 fps | ••• | |
| ••• | 3.340" | 24.0" | 2966 fps | ••• | |
| ••• | 3.340" | 24.0" | 3037 fps | ••• | |
| ••• | 3.340" | 24.0" | 3111 fps | ••• | |
| ••• | 3.340" | 24.0" | 3182 fps | ••• | |
| ••• | 3.340" | 24.0" | 3124 fps | ••• | |
| ••• | 3.340" | 24.0" | 3197 fps | ••• | |
| ••• | 3.340" | 24.0" | 3274 fps | ••• | |
| ••• | 3.340" | 24.0" | 2953 fps | ••• | |
| ••• | 3.340" | 24.0" | 3046 fps | ••• | |
| ••• | 3.340" | 24.0" | 3139 fps | ••• | |
| ••• | 3.340" | 24.0" | 3231 fps | ••• | |
| ••• | 3.340" | 24.0" | 3072 fps | ••• | |
| ••• | 3.340" | 24.0" | 3224 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.