Load Specifications
Load data in caliber .300 WSM with .308 | 165gr | RWS Doppelkern bullet and 100 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-17 and ReloadSwiss RS 60.
Important Notice: DO NOT go below Minimum Charge or above Maximum Charge. Since we have no control over the equipment and components used, any responsibility and liability for the results achieved is rejected.
Only powders/loads that match the current filter criteria are displayed: max pressure of a load ≤ 90% of max. standardized pressure, fill rate ≥ 80% and propellant combustion ≥ 95%. Use the sliders above the tables to adjust these thresholds.
Charge: Powder weight in grains. Start with the minimum load and work up carefully.
FR (Fill Rate): Case fill as a percentage. Values above 100% mean compressed loads.
MaxP / %: Maximum chamber pressure in bar and as a percentage of the standardized maximum for this caliber.
V(0): Muzzle velocity in feet per second (fps) at the standardized barrel length.
z (Powder Burn): Estimated propellant combustion percentage at bullet exit.
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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 82% | 56,637 psi | 89% | 2825 fps | 100% |
| Accurate 2495 | <<locked>> | 86% | 56,260 psi | 88% | 2858 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 55,985 psi | 88% | 2910 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 55,825 psi | 87% | 2871 fps | 97.8% |
| Accurate 3100ᴾ | <<locked>> | 100% | 47,007 psi | 74% | 2828 fps | 97.9% |
| Accurate 4064 | <<locked>> | 88% | 56,536 psi | 89% | 2910 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 56,666 psi | 89% | 3005 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 84% | 55,956 psi | 88% | 2940 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 56,971 psi | 89% | 2940 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 54,375 psi | 85% | 2982 fps | 96.8% |
| ADI Benchmark 8208 | <<locked>> | 82% | 54,737 psi | 86% | 2884 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 56,347 psi | 88% | 2858 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 56,086 psi | 88% | 3064 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 57,638 psi | 90% | 2963 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 54,462 psi | 85% | 2933 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 57,580 psi | 90% | 3064 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 92% | 55,230 psi | 87% | 3041 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 53,374 psi | 84% | 2969 fps | 96.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 44,309 psi | 69% | 2851 fps | 99.8% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 38,899 psi | 61% | 2746 fps | 96.3% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 50,241 psi | 79% | 3035 fps | 99.6% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 55,796 psi | 87% | 2953 fps | 99.9% |
| Bofors RP3 | <<locked>> | 88% | 54,621 psi | 86% | 2927 fps | 100% |
| Bofors RP7 | <<locked>> | 92% | 54,534 psi | 85% | 2904 fps | 97.8% |
| Hodgdon Benchmark | <<locked>> | 82% | 56,086 psi | 88% | 2864 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 82% | 54,418 psi | 85% | 2913 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 55,376 psi | 87% | 2943 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 92% | 56,942 psi | 89% | 3022 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 96% | 57,421 psi | 90% | 2989 fps | 97.8% |
| Hodgdon H4895 | <<locked>> | 84% | 56,579 psi | 89% | 2946 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 53,983 psi | 85% | 2933 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 56,623 psi | 89% | 2986 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 56,086 psi | 88% | 3041 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,882 psi | 56% | 1811 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 56,666 psi | 89% | 2936 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 55,564 psi | 87% | 2907 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 55,811 psi | 87% | 2913 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 90% | 54,911 psi | 86% | 2884 fps | 98.4% |
| IMR 4350 | <<locked>> | 96% | 55,114 psi | 86% | 2930 fps | 98% |
| IMR 4451 Enduron | <<locked>> | 92% | 56,260 psi | 88% | 2933 fps | 98.5% |
| IMR 4831ᴾ | <<locked>> | 100% | 54,259 psi | 85% | 2953 fps | 99.8% |
| IMR 4895 | <<locked>> | 86% | 55,883 psi | 88% | 2963 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 54,737 psi | 86% | 2884 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 56,202 psi | 88% | 2913 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 55,042 psi | 86% | 2861 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 56,521 psi | 89% | 2917 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 55,883 psi | 88% | 2927 fps | 99.3% |
| Lovex S070 | <<locked>> | 96% | 57,043 psi | 89% | 2966 fps | 98.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 38,957 psi | 61% | 2671 fps | 95.8% |
| Norma 201 | <<locked>> | 84% | 54,650 psi | 86% | 2881 fps | 100% |
| Norma 202 | <<locked>> | 84% | 55,201 psi | 87% | 2881 fps | 100% |
| Norma 203B | <<locked>> | 88% | 57,217 psi | 90% | 2972 fps | 100% |
| Norma 204 | <<locked>> | 96% | 55,738 psi | 87% | 2982 fps | 96.9% |
| Norma MRPᴾ | <<locked>> | 100% | 49,647 psi | 78% | 2986 fps | 97.5% |
| Norma URP | <<locked>> | 96% | 55,419 psi | 87% | 2989 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 86% | 54,302 psi | 85% | 2946 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 54,215 psi | 85% | 2986 fps | 99% |
| Ramshot TAC | <<locked>> | 82% | 54,955 psi | 86% | 2907 fps | 99.3% |
| Ramshot Wild Boar | <<locked>> | 82% | 54,766 psi | 86% | 2923 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,564 psi | 57% | 1854 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 55,390 psi | 87% | 2923 fps | 98.9% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 55,071 psi | 86% | 3002 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 54,737 psi | 86% | 3035 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 56,449 psi | 88% | 3025 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 55,492 psi | 87% | 3058 fps | 99.8% |
| Rottweil R 901 | <<locked>> | 82% | 55,724 psi | 87% | 2864 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 55,216 psi | 87% | 2881 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 54,766 psi | 86% | 2923 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 56,159 psi | 88% | 2953 fps | 96% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 52,475 psi | 82% | 2953 fps | 96.7% |
| Rottweil R 907 | <<locked>> | 92% | 54,534 psi | 85% | 2904 fps | 97.8% |
| Shooters World Long Rifle | <<locked>> | 94% | 55,883 psi | 88% | 2927 fps | 99.3% |
| Shooters World Match Rifle | <<locked>> | 84% | 56,202 psi | 88% | 2913 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 56,521 psi | 89% | 2917 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 57,043 psi | 89% | 2966 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 56,376 psi | 88% | 2982 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 57,464 psi | 90% | 2943 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 54,389 psi | 85% | 2907 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 55,782 psi | 87% | 2815 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 56,521 psi | 89% | 2815 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 56,072 psi | 88% | 2881 fps | 98.5% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 51,982 psi | 81% | 2946 fps | 96.6% |
| Somchem S335 | <<locked>> | 84% | 55,347 psi | 87% | 2812 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 56,855 psi | 89% | 2930 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 54,853 psi | 86% | 2917 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 57,711 psi | 90% | 3041 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 53,258 psi | 83% | 2933 fps | 97.7% |
| Unknown powder | <<locked>> | 94% | 56,478 psi | 89% | 2999 fps | 99.7% |
| Vihtavuori N133 | <<locked>> | 86% | 55,622 psi | 87% | 2795 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 55,230 psi | 87% | 2841 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 55,056 psi | 86% | 2848 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 56,362 psi | 88% | 2900 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 56,913 psi | 89% | 2966 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 86% | 54,723 psi | 86% | 2877 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 57,290 psi | 90% | 3018 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 49,516 psi | 78% | 2933 fps | 99.8% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 54,099 psi | 85% | 2904 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 56,942 psi | 89% | 3022 fps | 98.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 39,885 psi | 63% | 2884 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 55,608 psi | 87% | 2956 fps | 97% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 53,374 psi | 84% | 2782 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 46,267 psi | 73% | 2710 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 52,214 psi | 82% | 2854 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 45,803 psi | 72% | 2700 fps | 95.7% |
| Accurate 3100 | <<locked>> | 94% | 38,392 psi | 60% | 2657 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 43,787 psi | 69% | 2713 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 32,634 psi | 51% | 2539 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 49,298 psi | 77% | 2831 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 80% | 41,989 psi | 66% | 2677 fps | 98.7% |
| ADI AR 2209 | <<locked>> | 96% | 47,848 psi | 75% | 2864 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 51,387 psi | 81% | 2835 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 52,605 psi | 82% | 2808 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 45,368 psi | 71% | 2877 fps | 99.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 41,989 psi | 66% | 2703 fps | 99.6% |
| Alliant Reloder-15 | <<locked>> | 80% | 44,933 psi | 70% | 2769 fps | 99.2% |
| Alliant Reloder-16 | <<locked>> | 80% | 32,619 psi | 51% | 2552 fps | 95.5% |
| Alliant Reloder-17 | 58.3 gr | 80% | 36,434 psi | 57% | 2680 fps | 98.6% |
| Alliant Reloder-19 | <<locked>> | 96% | 46,949 psi | 74% | 2851 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 86% | 28,572 psi | 45% | 2461 fps | 95.3% |
| Alliant Reloder-25 | <<locked>> | 98% | 36,680 psi | 57% | 2690 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 90% | 35,215 psi | 55% | 2707 fps | 95.8% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 48,979 psi | 77% | 2841 fps | 99.4% |
| Bofors RP3 | <<locked>> | 80% | 41,930 psi | 66% | 2710 fps | 99.6% |
| Bofors RP7 | <<locked>> | 84% | 42,424 psi | 66% | 2680 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 52,939 psi | 83% | 2815 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 50,792 psi | 80% | 2858 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 42,511 psi | 67% | 2713 fps | 97.9% |
| Hodgdon H414 | <<locked>> | 82% | 40,553 psi | 64% | 2723 fps | 95.2% |
| Hodgdon H4350 | <<locked>> | 90% | 47,674 psi | 75% | 2822 fps | 95.7% |
| Hodgdon H4895 | <<locked>> | 80% | 49,792 psi | 78% | 2841 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,066 psi | 47% | 2451 fps | 96.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 43,482 psi | 68% | 2766 fps | 99.8% |
| Hodgdon Superformance | <<locked>> | 86% | 42,003 psi | 66% | 2779 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,745 psi | 42% | 1614 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 44,251 psi | 69% | 2726 fps | 99.6% |
| IMR 3031 | <<locked>> | 80% | 45,992 psi | 72% | 2762 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 41,089 psi | 64% | 2651 fps | 98.7% |
| IMR 4166 Enduron | <<locked>> | 80% | 40,799 psi | 64% | 2618 fps | 95.2% |
| IMR 4350 | <<locked>> | 88% | 42,786 psi | 67% | 2710 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 82% | 41,321 psi | 65% | 2657 fps | 95.2% |
| IMR 4831 | <<locked>> | 84% | 32,677 psi | 51% | 2523 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 46,050 psi | 72% | 2799 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 80% | 51,387 psi | 81% | 2835 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 49,124 psi | 77% | 2808 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 48,791 psi | 76% | 2759 fps | 99.8% |
| Lovex S062 | <<locked>> | 80% | 44,164 psi | 69% | 2713 fps | 99.9% |
| Lovex S065 | <<locked>> | 80% | 36,361 psi | 57% | 2552 fps | 95.2% |
| Lovex S070 | <<locked>> | 84% | 39,305 psi | 62% | 2641 fps | 95% |
| Lovex S071 | <<locked>> | 98% | 36,550 psi | 57% | 2615 fps | 95% |
| Norma 201 | <<locked>> | 80% | 48,269 psi | 76% | 2779 fps | 100% |
| Norma 202 | <<locked>> | 80% | 48,762 psi | 76% | 2779 fps | 100% |
| Norma 203B | <<locked>> | 80% | 44,309 psi | 69% | 2756 fps | 99.5% |
| Norma 204 | <<locked>> | 92% | 48,588 psi | 76% | 2861 fps | 95.3% |
| Norma MRP | <<locked>> | 96% | 43,323 psi | 68% | 2858 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 32,808 psi | 51% | 2539 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 80% | 44,150 psi | 69% | 2772 fps | 99.4% |
| Ramshot Hunter | <<locked>> | 86% | 38,885 psi | 61% | 2694 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 51,459 psi | 81% | 2848 fps | 98.9% |
| Ramshot Wild Boar | <<locked>> | 80% | 51,213 psi | 80% | 2867 fps | 99.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,224 psi | 43% | 1657 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 42,873 psi | 67% | 2700 fps | 96.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 47,935 psi | 75% | 2881 fps | 99.6% |
| ReloadSwiss RS 60 | 58.3 gr | 80% | 38,754 psi | 61% | 2746 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 34,635 psi | 54% | 2612 fps | 95.8% |
| ReloadSwiss RS 70 | 62.2 gr | 84% | 36,724 psi | 58% | 2677 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 52,286 psi | 82% | 2812 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 45,948 psi | 72% | 2730 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 39,450 psi | 62% | 2654 fps | 99.2% |
| Rottweil R 904 | <<locked>> | 98% | 52,852 psi | 83% | 2897 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 96% | 45,818 psi | 72% | 2835 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 84% | 42,424 psi | 66% | 2680 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 80% | 36,361 psi | 57% | 2552 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 49,124 psi | 77% | 2808 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 44,164 psi | 69% | 2713 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 84% | 39,305 psi | 62% | 2641 fps | 95% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 40,437 psi | 63% | 2703 fps | 98.8% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 50,111 psi | 79% | 2828 fps | 99.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 47,747 psi | 75% | 2799 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 49,385 psi | 77% | 2720 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 41,423 psi | 65% | 2585 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 40,495 psi | 63% | 2605 fps | 95.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 48,559 psi | 76% | 2887 fps | 95.8% |
| Somchem S335 | <<locked>> | 80% | 49,052 psi | 77% | 2720 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 49,821 psi | 78% | 2818 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 40,045 psi | 63% | 2657 fps | 99.1% |
| Somchem S365 | <<locked>> | 80% | 29,457 psi | 46% | 2493 fps | 97.6% |
| Somchem S385 | <<locked>> | 94% | 43,772 psi | 69% | 2762 fps | 95.4% |
| Unknown powder | <<locked>> | 80% | 35,520 psi | 56% | 2598 fps | 95.6% |
| Vihtavuori N133 | <<locked>> | 80% | 46,630 psi | 73% | 2661 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 45,861 psi | 72% | 2703 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 45,571 psi | 71% | 2703 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 34,345 psi | 54% | 2507 fps | 99% |
| Vihtavuori N160 | <<locked>> | 80% | 35,665 psi | 56% | 2575 fps | 96.4% |
| Vihtavuori N540 | <<locked>> | 80% | 45,252 psi | 71% | 2726 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,114 psi | 57% | 2618 fps | 96.4% |
| Vihtavuori N555 | <<locked>> | 86% | 31,009 psi | 49% | 2539 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 33,794 psi | 53% | 2520 fps | 98% |
| Winchester 760 | <<locked>> | 82% | 40,553 psi | 64% | 2723 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 90% | 28,703 psi | 45% | 2546 fps | 96.1% |
| Winchester Supreme 780 | <<locked>> | 96% | 48,211 psi | 76% | 2835 fps | 95.3% |
Recommended = one of the top powders for this cartridge and bullet combination.
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 114 powders for .300 WSM loaded with the .308 | 165gr | RWS Doppelkern. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,064 fps; across all powders the maximum-charge window runs from 1,811 fps to 3,064 fps. Accurate 3100 gives the best case fill at 100 %, and 114 of the 114 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 165.0 gr projectile in 0.308" calls for a 1:16.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, ADI AR 2213 reach 100 % fill or more at maximum charge, so these are compressed loads: they need a long drop tube to seat cleanly and react sensitively to the case capacity of your own brass lot. ReloadSwiss RS 70, Alliant Reloder-17, ReloadSwiss RS 60 rank at the top here: for .300 WSM with the .308 | 165gr | RWS Doppelkern they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2213, Bofors RP15, Hodgdon H4831 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.