Load Specifications
Load data in caliber .300 WSM with .308 | 156gr | Peregrine VRG-2 bullet and 98 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-17, ReloadSwiss RS 60 and ReloadSwiss RS 70.
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.
A valid access license is required to use the Personalized Load Calculator.
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>> | 84% | 56,666 psi | 89% | 2910 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 55,390 psi | 87% | 2933 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 55,767 psi | 87% | 2992 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 56,086 psi | 88% | 2949 fps | 97.3% |
| Accurate 3100ᴾ | <<locked>> | 100% | 42,917 psi | 67% | 2822 fps | 96.3% |
| Accurate 4064 | <<locked>> | 90% | 55,666 psi | 87% | 2986 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 56,173 psi | 88% | 3081 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 86% | 56,231 psi | 88% | 3025 fps | 100% |
| ADI AR 2208 | <<locked>> | 92% | 57,421 psi | 90% | 3028 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 84% | 55,114 psi | 86% | 2972 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 56,231 psi | 88% | 2946 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 56,144 psi | 88% | 3150 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 57,464 psi | 90% | 3048 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 54,505 psi | 85% | 3015 fps | 99.8% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 57,377 psi | 90% | 3143 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 94% | 54,984 psi | 86% | 3120 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 40,930 psi | 64% | 2858 fps | 99.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 46,180 psi | 72% | 3031 fps | 98.6% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 56,173 psi | 88% | 3038 fps | 99.8% |
| Bofors RP3 | <<locked>> | 90% | 54,331 psi | 85% | 3005 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 54,462 psi | 85% | 2976 fps | 97.3% |
| Hodgdon Benchmark | <<locked>> | 84% | 56,695 psi | 89% | 2953 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 54,592 psi | 86% | 2999 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 56,724 psi | 89% | 3107 fps | 99.9% |
| Hodgdon H322 | <<locked>> | 82% | 54,969 psi | 86% | 2953 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 55,390 psi | 87% | 3022 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 94% | 57,101 psi | 89% | 3104 fps | 98.3% |
| Hodgdon H4350 | <<locked>> | 98% | 57,377 psi | 90% | 3061 fps | 97.2% |
| Hodgdon H4895 | <<locked>> | 86% | 56,797 psi | 89% | 3035 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 53,505 psi | 84% | 3005 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 56,608 psi | 89% | 3068 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 56,246 psi | 88% | 3120 fps | 97.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,462 psi | 56% | 1857 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 56,869 psi | 89% | 3018 fps | 100% |
| IMR 3031 | <<locked>> | 88% | 55,390 psi | 87% | 2995 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 55,927 psi | 88% | 2995 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 92% | 55,201 psi | 87% | 2963 fps | 97.9% |
| IMR 4350 | <<locked>> | 98% | 54,984 psi | 86% | 3005 fps | 97.4% |
| IMR 4451 Enduron | <<locked>> | 94% | 56,420 psi | 88% | 3012 fps | 98% |
| IMR 4831ᴾ | <<locked>> | 100% | 50,154 psi | 79% | 2966 fps | 99.2% |
| IMR 4895 | <<locked>> | 88% | 55,927 psi | 88% | 3048 fps | 100% |
| IMR 8208 XBR | <<locked>> | 84% | 55,114 psi | 86% | 2972 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 56,057 psi | 88% | 2999 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 55,419 psi | 87% | 2946 fps | 100% |
| Lovex S062 | <<locked>> | 90% | 56,376 psi | 88% | 2999 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 55,927 psi | 88% | 3005 fps | 99% |
| Lovex S070 | <<locked>> | 98% | 57,000 psi | 89% | 3041 fps | 98.4% |
| Norma 201 | <<locked>> | 86% | 54,737 psi | 86% | 2966 fps | 100% |
| Norma 202 | <<locked>> | 86% | 55,419 psi | 87% | 2966 fps | 100% |
| Norma 203B | <<locked>> | 90% | 57,058 psi | 89% | 3054 fps | 100% |
| Norma 204 | <<locked>> | 98% | 55,767 psi | 87% | 3058 fps | 96.3% |
| Norma URP | <<locked>> | 98% | 55,245 psi | 87% | 3068 fps | 99.6% |
| Ramshot Big Game | <<locked>> | 88% | 54,215 psi | 85% | 3025 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 98% | 53,954 psi | 85% | 3058 fps | 98.6% |
| Ramshot TAC | <<locked>> | 84% | 55,245 psi | 87% | 2989 fps | 99% |
| Ramshot Wild Boar | <<locked>> | 84% | 55,143 psi | 86% | 3009 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 55,767 psi | 87% | 2969 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,027 psi | 56% | 1900 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 55,811 psi | 87% | 3005 fps | 98.5% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 54,969 psi | 86% | 3084 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 54,853 psi | 86% | 3123 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 56,202 psi | 88% | 3104 fps | 99.6% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 55,390 psi | 87% | 3133 fps | 99.5% |
| Rottweil R 901 | <<locked>> | 84% | 55,477 psi | 87% | 2946 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 55,274 psi | 87% | 2966 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 54,201 psi | 85% | 2999 fps | 100% |
| Rottweil R 907 | <<locked>> | 94% | 54,462 psi | 85% | 2976 fps | 97.3% |
| Shooters World Long Rifle | <<locked>> | 96% | 55,927 psi | 88% | 3005 fps | 99% |
| Shooters World Match Rifle | <<locked>> | 86% | 56,057 psi | 88% | 2999 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 56,376 psi | 88% | 2999 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 57,000 psi | 89% | 3041 fps | 98.4% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 56,333 psi | 88% | 3064 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 57,609 psi | 90% | 3025 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 54,563 psi | 86% | 2992 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 56,130 psi | 88% | 2900 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 56,797 psi | 89% | 2900 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 56,333 psi | 88% | 2956 fps | 98.1% |
| Somchem S321 | <<locked>> | 82% | 56,246 psi | 88% | 3002 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 55,608 psi | 87% | 2900 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 57,276 psi | 90% | 3015 fps | 100% |
| Somchem S355 | <<locked>> | 92% | 54,520 psi | 85% | 2995 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 53,258 psi | 83% | 3064 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 49,168 psi | 77% | 2936 fps | 96.2% |
| Unknown powder | <<locked>> | 96% | 56,173 psi | 88% | 3074 fps | 99.4% |
| Vihtavuori N130 | <<locked>> | 82% | 54,766 psi | 86% | 2851 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 55,985 psi | 88% | 2884 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 55,056 psi | 86% | 2923 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 55,274 psi | 87% | 2936 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 56,173 psi | 88% | 2979 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 56,855 psi | 89% | 3045 fps | 99.7% |
| Vihtavuori N530 | <<locked>> | 82% | 54,636 psi | 86% | 2976 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 54,868 psi | 86% | 2959 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 57,130 psi | 90% | 3097 fps | 99.7% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 45,121 psi | 71% | 2936 fps | 99% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 54,317 psi | 85% | 2986 fps | 100% |
| Winchester 748 | <<locked>> | 82% | 56,260 psi | 88% | 3028 fps | 100% |
| Winchester 760 | <<locked>> | 94% | 57,101 psi | 89% | 3104 fps | 98.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 36,637 psi | 57% | 2861 fps | 99.1% |
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% | 50,082 psi | 78% | 2818 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 42,395 psi | 66% | 2733 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 48,559 psi | 76% | 2884 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 45,992 psi | 72% | 2776 fps | 95.1% |
| Accurate 3100 | <<locked>> | 98% | 39,943 psi | 63% | 2762 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 40,161 psi | 63% | 2726 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 34,142 psi | 54% | 2651 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 46,282 psi | 73% | 2854 fps | 99.4% |
| ADI AR 2208 | <<locked>> | 80% | 39,363 psi | 62% | 2697 fps | 97.6% |
| ADI Benchmark 8208 | <<locked>> | 80% | 48,457 psi | 76% | 2864 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 80% | 49,124 psi | 77% | 2844 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 42,322 psi | 66% | 2890 fps | 98.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 39,015 psi | 61% | 2717 fps | 98.8% |
| Alliant Reloder-15 | <<locked>> | 80% | 41,872 psi | 66% | 2785 fps | 98.3% |
| Alliant Reloder-16 | <<locked>> | 84% | 34,418 psi | 54% | 2671 fps | 95.5% |
| Alliant Reloder-17 | 58.3 gr | 80% | 33,692 psi | 53% | 2680 fps | 97.1% |
| Alliant Reloder-23 | <<locked>> | 90% | 29,689 psi | 47% | 2562 fps | 95% |
| Alliant Reloder-26 | <<locked>> | 94% | 36,999 psi | 58% | 2818 fps | 95.8% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 45,716 psi | 72% | 2858 fps | 98.6% |
| Bofors RP3 | <<locked>> | 80% | 38,638 psi | 61% | 2717 fps | 98.8% |
| Bofors RP7 | <<locked>> | 88% | 44,976 psi | 70% | 2805 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 49,937 psi | 78% | 2848 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 47,442 psi | 74% | 2884 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 52,823 psi | 83% | 3045 fps | 99.7% |
| Hodgdon H322 | <<locked>> | 80% | 51,648 psi | 81% | 2900 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 39,494 psi | 62% | 2723 fps | 96.5% |
| Hodgdon H414 | <<locked>> | 86% | 43,120 psi | 68% | 2851 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 94% | 50,618 psi | 79% | 2949 fps | 95.7% |
| Hodgdon H4895 | <<locked>> | 80% | 46,746 psi | 73% | 2867 fps | 99.7% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 29,414 psi | 46% | 2500 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,350 psi | 63% | 2782 fps | 99.2% |
| Hodgdon Superformance | <<locked>> | 90% | 44,918 psi | 70% | 2910 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,310 psi | 41% | 1657 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 41,553 psi | 65% | 2749 fps | 99% |
| IMR 3031 | <<locked>> | 80% | 42,743 psi | 67% | 2789 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 38,450 psi | 60% | 2667 fps | 97.6% |
| IMR 4166 Enduron | <<locked>> | 84% | 43,279 psi | 68% | 2746 fps | 95.2% |
| IMR 4350 | <<locked>> | 92% | 45,484 psi | 71% | 2835 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 86% | 44,121 psi | 69% | 2789 fps | 95.3% |
| IMR 4831 | <<locked>> | 88% | 34,098 psi | 53% | 2635 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 42,960 psi | 67% | 2818 fps | 99% |
| IMR 8208 XBR | <<locked>> | 80% | 48,457 psi | 76% | 2864 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 45,614 psi | 71% | 2831 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 46,151 psi | 72% | 2789 fps | 99.4% |
| Lovex S062 | <<locked>> | 80% | 41,162 psi | 65% | 2736 fps | 99.4% |
| Lovex S065 | <<locked>> | 84% | 38,276 psi | 60% | 2671 fps | 95.2% |
| Lovex S070 | <<locked>> | 90% | 44,135 psi | 69% | 2815 fps | 95.8% |
| Norma 201 | <<locked>> | 80% | 45,165 psi | 71% | 2802 fps | 99.8% |
| Norma 202 | <<locked>> | 80% | 45,672 psi | 72% | 2812 fps | 100% |
| Norma 203B | <<locked>> | 80% | 41,263 psi | 65% | 2772 fps | 98.6% |
| Norma 204 | <<locked>> | 96% | 52,127 psi | 82% | 2995 fps | 95.5% |
| Norma URP | <<locked>> | 84% | 34,403 psi | 54% | 2654 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 41,017 psi | 64% | 2785 fps | 98.4% |
| Ramshot Hunter | <<locked>> | 90% | 41,263 psi | 65% | 2818 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 48,312 psi | 76% | 2871 fps | 98% |
| Ramshot Wild Boar | <<locked>> | 80% | 48,051 psi | 75% | 2890 fps | 99.5% |
| Ramshot X-Terminator | <<locked>> | 80% | 52,156 psi | 82% | 2913 fps | 99.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,716 psi | 42% | 1699 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 42,728 psi | 67% | 2766 fps | 95.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 44,498 psi | 70% | 2897 fps | 98.8% |
| ReloadSwiss RS 60 | 58.3 gr | 80% | 35,911 psi | 56% | 2753 fps | 99.6% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 36,463 psi | 57% | 2730 fps | 95.8% |
| ReloadSwiss RS 70 | 65.1 gr | 88% | 39,001 psi | 61% | 2802 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 48,965 psi | 77% | 2841 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 42,902 psi | 67% | 2753 fps | 99.6% |
| Rottweil R 903 | <<locked>> | 80% | 36,303 psi | 57% | 2657 fps | 98.1% |
| Rottweil R 907 | <<locked>> | 88% | 44,976 psi | 70% | 2805 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 84% | 38,276 psi | 60% | 2671 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 45,614 psi | 71% | 2831 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 41,162 psi | 65% | 2736 fps | 99.4% |
| Shooters World SW4350 | <<locked>> | 90% | 44,135 psi | 69% | 2815 fps | 95.8% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 37,478 psi | 59% | 2713 fps | 97.6% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 46,586 psi | 73% | 2841 fps | 98.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 44,802 psi | 70% | 2822 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 46,572 psi | 73% | 2756 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 38,812 psi | 61% | 2612 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 43,076 psi | 68% | 2726 fps | 95.2% |
| Somchem S321 | <<locked>> | 80% | 52,533 psi | 82% | 2946 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 46,151 psi | 72% | 2753 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 46,499 psi | 73% | 2841 fps | 99.4% |
| Somchem S355 | <<locked>> | 80% | 37,130 psi | 58% | 2667 fps | 98.1% |
| Somchem S365 | <<locked>> | 80% | 26,876 psi | 42% | 2480 fps | 95.5% |
| Somchem S385 | <<locked>> | 98% | 45,963 psi | 72% | 2877 fps | 95.3% |
| Unknown powder | <<locked>> | 84% | 37,594 psi | 59% | 2720 fps | 95.7% |
| Vihtavuori N130 | <<locked>> | 80% | 51,517 psi | 81% | 2802 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 43,947 psi | 69% | 2697 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 42,685 psi | 67% | 2733 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 42,656 psi | 67% | 2733 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,691 psi | 50% | 2513 fps | 97.8% |
| Vihtavuori N160 | <<locked>> | 82% | 35,186 psi | 55% | 2638 fps | 95.5% |
| Vihtavuori N530 | <<locked>> | 80% | 51,126 psi | 80% | 2920 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 42,322 psi | 66% | 2753 fps | 100% |
| Vihtavuori N550 | <<locked>> | 82% | 35,549 psi | 56% | 2677 fps | 95.5% |
| Vihtavuori N555 | <<locked>> | 90% | 32,039 psi | 50% | 2641 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 31,256 psi | 49% | 2520 fps | 96.3% |
| Winchester 748 | <<locked>> | 80% | 52,417 psi | 82% | 2972 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 43,120 psi | 68% | 2851 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 94% | 29,936 psi | 47% | 2648 fps | 95.8% |
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 117 powders for .300 WSM loaded with the .308 | 156gr | Peregrine VRG-2. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,150 fps; across all powders the maximum-charge window runs from 1,857 fps to 3,150 fps. Accurate 3100 gives the best case fill at 100 %, and 117 of the 117 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 156.0 gr projectile in 0.308" calls for a 1:15.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, Alliant Reloder-16 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. Alliant Reloder-17, ReloadSwiss RS 60, ReloadSwiss RS 70 rank at the top here: for .300 WSM with the .308 | 156gr | Peregrine VRG-2 they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Alliant Reloder-22, Alliant Reloder-25, Bofors RP15 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.