Load Specifications
Load data in caliber .300 H&H Mag. with .308 | 120gr | SAKO Powerhead Blade bullet and 81 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 52 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>> | 88% | 53,505 psi | 86% | 3205 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 55,608 psi | 89% | 3278 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 54,766 psi | 88% | 3268 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 53,650 psi | 86% | 3281 fps | 99.9% |
| Accurate 4064 | <<locked>> | 96% | 54,433 psi | 87% | 3304 fps | 100% |
| Accurate LT-30 | <<locked>> | 82% | 53,113 psi | 85% | 3146 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 53,476 psi | 86% | 3169 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 92% | 56,188 psi | 90% | 3340 fps | 98.7% |
| ADI AR 2208 | <<locked>> | 96% | 53,809 psi | 86% | 3271 fps | 97.8% |
| ADI AR 2219 | <<locked>> | 82% | 53,896 psi | 86% | 3278 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 55,303 psi | 89% | 3294 fps | 99.4% |
| Alliant AR-Comp | <<locked>> | 90% | 55,158 psi | 88% | 3294 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 53,127 psi | 85% | 3353 fps | 98.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 55,825 psi | 90% | 3451 fps | 98.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 56,362 psi | 90% | 3353 fps | 99.3% |
| Alliant Reloder-10x | <<locked>> | 84% | 53,214 psi | 85% | 3219 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 53,795 psi | 86% | 3317 fps | 98% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 53,809 psi | 86% | 3409 fps | 99% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 56,014 psi | 90% | 3189 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 56,217 psi | 90% | 3350 fps | 97.9% |
| Bofors RP3 | <<locked>> | 96% | 53,548 psi | 86% | 3310 fps | 99.1% |
| Hodgdon Benchmark | <<locked>> | 88% | 54,157 psi | 87% | 3232 fps | 99.6% |
| Hodgdon BL-C2 | <<locked>> | 90% | 54,505 psi | 87% | 3320 fps | 99.6% |
| Hodgdon CFE223 | <<locked>> | 88% | 56,159 psi | 90% | 3425 fps | 98.4% |
| Hodgdon H322 | <<locked>> | 86% | 56,043 psi | 90% | 3314 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 53,751 psi | 86% | 3274 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 55,143 psi | 88% | 3317 fps | 97% |
| Hodgdon H4895 | <<locked>> | 90% | 53,113 psi | 85% | 3291 fps | 98.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 42,511 psi | 68% | 3094 fps | 96.4% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 55,448 psi | 89% | 3379 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,403 psi | 55% | 2057 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 54,708 psi | 88% | 3301 fps | 98.9% |
| IMR 3031 | <<locked>> | 92% | 55,782 psi | 89% | 3353 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 53,214 psi | 85% | 3255 fps | 97.9% |
| IMR 4198 | <<locked>> | 84% | 53,635 psi | 86% | 3186 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 55,114 psi | 88% | 3356 fps | 98.7% |
| IMR 8208 XBR | <<locked>> | 90% | 55,303 psi | 89% | 3294 fps | 99.4% |
| Lovex D073.5 | <<locked>> | 86% | 55,869 psi | 90% | 3287 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 92% | 55,579 psi | 89% | 3323 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 56,275 psi | 90% | 3268 fps | 98.8% |
| Lovex S062 | <<locked>> | 96% | 55,956 psi | 90% | 3314 fps | 99.5% |
| Norma 201 | <<locked>> | 92% | 54,694 psi | 88% | 3281 fps | 99.4% |
| Norma 202 | <<locked>> | 92% | 55,274 psi | 89% | 3297 fps | 100% |
| Norma 203B | <<locked>> | 94% | 52,910 psi | 85% | 3301 fps | 98.3% |
| Ramshot Big Game | <<locked>> | 94% | 53,359 psi | 86% | 3323 fps | 98.2% |
| Ramshot TAC | <<locked>> | 90% | 56,362 psi | 90% | 3301 fps | 96.6% |
| Ramshot Wild Boar | <<locked>> | 90% | 55,405 psi | 89% | 3327 fps | 98.6% |
| Ramshot X-Terminator | <<locked>> | 86% | 53,200 psi | 85% | 3232 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,824 psi | 56% | 2110 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 55,114 psi | 88% | 3287 fps | 99.9% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 53,606 psi | 86% | 3386 fps | 97.9% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 53,635 psi | 86% | 3422 fps | 100% |
| Rottweil R 901 | <<locked>> | 90% | 55,724 psi | 89% | 3281 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 55,288 psi | 89% | 3281 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 98% | 53,098 psi | 85% | 3294 fps | 98.8% |
| Shooters World Match Rifle | <<locked>> | 92% | 55,579 psi | 89% | 3323 fps | 100% |
| Shooters World Precision | <<locked>> | 96% | 55,956 psi | 90% | 3314 fps | 99.5% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 55,085 psi | 88% | 3248 fps | 99.2% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 54,143 psi | 87% | 3278 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 55,274 psi | 89% | 3363 fps | 98.6% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 54,041 psi | 87% | 3241 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 54,128 psi | 87% | 3264 fps | 96.6% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 54,665 psi | 88% | 3304 fps | 98.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 53,635 psi | 86% | 3186 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 53,359 psi | 86% | 3176 fps | 100% |
| Somchem S321 | <<locked>> | 86% | 53,127 psi | 85% | 3271 fps | 99.3% |
| Somchem S335 | <<locked>> | 92% | 55,883 psi | 90% | 3228 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 53,592 psi | 86% | 3264 fps | 98.3% |
| Somchem S355 | <<locked>> | 98% | 53,780 psi | 86% | 3294 fps | 98.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 41,495 psi | 67% | 3146 fps | 97.7% |
| Vihtavuori N130 | <<locked>> | 86% | 53,229 psi | 85% | 3159 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 53,548 psi | 86% | 3176 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 54,230 psi | 87% | 3258 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 55,680 psi | 89% | 3271 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 55,434 psi | 89% | 3281 fps | 99.7% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 49,211 psi | 79% | 3219 fps | 96.1% |
| Vihtavuori N530 | <<locked>> | 90% | 56,130 psi | 90% | 3297 fps | 99.5% |
| Vihtavuori N540 | <<locked>> | 94% | 54,114 psi | 87% | 3261 fps | 100% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 50,662 psi | 81% | 3205 fps | 98.5% |
| Winchester 748 | <<locked>> | 90% | 55,492 psi | 89% | 3346 fps | 99.8% |
| Winchester StaBALL Match | <<locked>> | 92% | 54,302 psi | 87% | 3310 fps | 98.9% |
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% | 41,611 psi | 67% | 2989 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 45,397 psi | 73% | 3094 fps | 99.4% |
| Accurate 2495 | <<locked>> | 80% | 34,229 psi | 55% | 2867 fps | 99.5% |
| Accurate 2520 | <<locked>> | 80% | 40,509 psi | 65% | 3025 fps | 98.4% |
| Accurate 4064 | <<locked>> | 80% | 32,358 psi | 52% | 2835 fps | 97.1% |
| Accurate LT-30 | <<locked>> | 80% | 49,893 psi | 80% | 3094 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 50,256 psi | 81% | 3114 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 82% | 40,901 psi | 66% | 3031 fps | 95.4% |
| ADI AR 2208 | <<locked>> | 90% | 44,701 psi | 72% | 3094 fps | 95.7% |
| ADI AR 2219 | <<locked>> | 80% | 50,270 psi | 81% | 3215 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 40,205 psi | 64% | 2992 fps | 96.6% |
| Alliant AR-Comp | <<locked>> | 80% | 39,233 psi | 63% | 3015 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 46,412 psi | 74% | 3219 fps | 97.5% |
| Alliant Power Pro 2000-MR | 62.9 gr | 88% | 45,324 psi | 73% | 3232 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 38,464 psi | 62% | 2992 fps | 95.8% |
| Alliant Reloder-10x | <<locked>> | 80% | 47,108 psi | 76% | 3114 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 41,684 psi | 67% | 3068 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 92% | 41,017 psi | 66% | 3130 fps | 95.8% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 49,182 psi | 79% | 3077 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 45,672 psi | 73% | 3150 fps | 95.6% |
| Bofors RP3 | <<locked>> | 86% | 38,029 psi | 61% | 2989 fps | 95.7% |
| Hodgdon Benchmark | <<locked>> | 80% | 42,308 psi | 68% | 2995 fps | 97.8% |
| Hodgdon BL-C2 | <<locked>> | 80% | 38,479 psi | 62% | 2995 fps | 96.8% |
| Hodgdon CFE223 | <<locked>> | 80% | 42,308 psi | 68% | 3143 fps | 95.1% |
| Hodgdon H322 | <<locked>> | 80% | 45,992 psi | 74% | 3133 fps | 99.9% |
| Hodgdon H335 | <<locked>> | 80% | 46,775 psi | 75% | 3150 fps | 99.7% |
| Hodgdon H380 | <<locked>> | 92% | 48,095 psi | 77% | 3186 fps | 95.4% |
| Hodgdon H4895 | <<locked>> | 80% | 38,508 psi | 62% | 2979 fps | 95.3% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 39,856 psi | 64% | 3031 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 36,898 psi | 59% | 2986 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,556 psi | 41% | 1844 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 39,668 psi | 64% | 2992 fps | 95.6% |
| IMR 3031 | <<locked>> | 80% | 37,304 psi | 60% | 2999 fps | 99.4% |
| IMR 4064 | <<locked>> | 86% | 41,379 psi | 66% | 3015 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 47,601 psi | 76% | 3084 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 39,871 psi | 64% | 3038 fps | 95.2% |
| IMR 8208 XBR | <<locked>> | 80% | 40,205 psi | 64% | 2992 fps | 96.6% |
| Lovex D073.5 | <<locked>> | 80% | 45,165 psi | 72% | 3091 fps | 98.6% |
| Lovex D073.6 | <<locked>> | 80% | 36,724 psi | 59% | 2943 fps | 97.4% |
| Lovex S060 | <<locked>> | 82% | 41,495 psi | 67% | 2976 fps | 95.7% |
| Lovex S062 | <<locked>> | 82% | 36,100 psi | 58% | 2900 fps | 95.4% |
| Norma 201 | <<locked>> | 80% | 37,608 psi | 60% | 2927 fps | 95.9% |
| Norma 202 | <<locked>> | 80% | 37,434 psi | 60% | 2943 fps | 98.2% |
| Norma 203B | <<locked>> | 86% | 41,002 psi | 66% | 3054 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 86% | 40,611 psi | 65% | 3061 fps | 95.1% |
| Ramshot TAC | <<locked>> | 88% | 52,605 psi | 84% | 3235 fps | 95.7% |
| Ramshot Wild Boar | <<locked>> | 82% | 42,061 psi | 67% | 3061 fps | 95.7% |
| Ramshot X-Terminator | <<locked>> | 80% | 43,685 psi | 70% | 3045 fps | 96.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,831 psi | 41% | 1890 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 45,310 psi | 73% | 3104 fps | 99% |
| ReloadSwiss RS 52 | 59.6 gr | 86% | 43,337 psi | 69% | 3179 fps | 95.5% |
| ReloadSwiss RS 60 | 59.2 gr | 84% | 33,547 psi | 54% | 2936 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 41,104 psi | 66% | 2995 fps | 98.7% |
| Rottweil R 902 | <<locked>> | 80% | 35,665 psi | 57% | 2867 fps | 95.2% |
| Rottweil R 903 | <<locked>> | 88% | 38,145 psi | 61% | 2986 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 36,724 psi | 59% | 2943 fps | 97.4% |
| Shooters World Precision | <<locked>> | 82% | 36,100 psi | 58% | 2900 fps | 95.4% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 47,877 psi | 77% | 3117 fps | 98.1% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 50,734 psi | 81% | 3219 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 42,264 psi | 68% | 3104 fps | 95.7% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 47,703 psi | 76% | 3133 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 47,268 psi | 76% | 3136 fps | 95% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 42,003 psi | 67% | 3051 fps | 95.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 39,102 psi | 63% | 2900 fps | 98.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,068 psi | 51% | 2736 fps | 97.7% |
| Somchem S321 | <<locked>> | 80% | 43,294 psi | 69% | 3077 fps | 97.8% |
| Somchem S335 | <<locked>> | 80% | 38,754 psi | 62% | 2907 fps | 99.1% |
| Somchem S341 | <<locked>> | 82% | 40,785 psi | 65% | 3009 fps | 95.3% |
| Somchem S355 | <<locked>> | 88% | 39,059 psi | 63% | 2992 fps | 95.5% |
| Somchem S365 | <<locked>> | 96% | 36,347 psi | 58% | 3015 fps | 95.9% |
| Vihtavuori N130 | <<locked>> | 80% | 44,309 psi | 71% | 3005 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 39,160 psi | 63% | 2910 fps | 99.9% |
| Vihtavuori N135 | <<locked>> | 80% | 34,461 psi | 55% | 2871 fps | 99.5% |
| Vihtavuori N140 | <<locked>> | 80% | 35,404 psi | 57% | 2867 fps | 98% |
| Vihtavuori N150 | <<locked>> | 86% | 34,925 psi | 56% | 2861 fps | 95.6% |
| Vihtavuori N160 | <<locked>> | 98% | 45,963 psi | 74% | 3153 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 40,176 psi | 64% | 2986 fps | 96.7% |
| Vihtavuori N540 | <<locked>> | 80% | 34,229 psi | 55% | 2848 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 38,624 psi | 62% | 2949 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 39,088 psi | 63% | 3022 fps | 97.3% |
| Winchester StaBALL Match | <<locked>> | 82% | 38,667 psi | 62% | 2989 fps | 95.4% |
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 81 powders for .300 H&H Mag. loaded with the .308 | 120gr | SAKO Powerhead Blade. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,451 fps; across all powders the maximum-charge window runs from 2,057 fps to 3,451 fps. Alliant Reloder-17 gives the best case fill at 100 %, and 81 of the 81 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 120.0 gr projectile in 0.308" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-17, Hodgdon Hybrid 100V, Hodgdon TrailBoss 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 Power Pro 2000-MR, ReloadSwiss RS 52, ReloadSwiss RS 60 rank at the top here: for .300 H&H Mag. with the .308 | 120gr | SAKO Powerhead Blade they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.