Load Specifications
Load data in caliber .300 Blaser Mag. with .308 | 120gr | SAKO Powerhead Blade bullet and 89 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-17 and Alliant Power Pro 2000-MR.
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: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 86% | 55,114 psi | 90% | 3327 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 53,751 psi | 88% | 3346 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 53,534 psi | 88% | 3340 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 51,982 psi | 85% | 3353 fps | 100% |
| Accurate 4064 | <<locked>> | 92% | 53,563 psi | 88% | 3386 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 53,272 psi | 87% | 3451 fps | 98.4% |
| ADI AR 2206H | <<locked>> | 88% | 54,447 psi | 89% | 3422 fps | 99.3% |
| ADI AR 2208 | <<locked>> | 92% | 52,243 psi | 86% | 3356 fps | 98.6% |
| ADI Benchmark 8208 | <<locked>> | 86% | 53,461 psi | 88% | 3369 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 86% | 53,693 psi | 88% | 3356 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 54,882 psi | 90% | 3497 fps | 99.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 54,201 psi | 89% | 3543 fps | 99% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 51,982 psi | 85% | 3383 fps | 99.6% |
| Alliant Reloder-10x | <<locked>> | 82% | 54,723 psi | 90% | 3337 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 52,518 psi | 86% | 3402 fps | 98.8% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 51,532 psi | 85% | 3455 fps | 98.4% |
| Alliant Reloder-17 | <<locked>> | 96% | 52,779 psi | 87% | 3507 fps | 99.6% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 54,447 psi | 89% | 3432 fps | 98.7% |
| Bofors RP3 | <<locked>> | 92% | 52,272 psi | 86% | 3392 fps | 99.6% |
| Hodgdon Benchmark | <<locked>> | 84% | 52,112 psi | 86% | 3304 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 86% | 52,837 psi | 87% | 3399 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 84% | 54,665 psi | 90% | 3510 fps | 99.1% |
| Hodgdon H322 | <<locked>> | 82% | 53,983 psi | 89% | 3379 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 53,650 psi | 88% | 3406 fps | 98% |
| Hodgdon H4895 | <<locked>> | 88% | 54,955 psi | 90% | 3438 fps | 99.6% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 47,587 psi | 78% | 3314 fps | 98.9% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 54,302 psi | 89% | 3468 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,998 psi | 57% | 2152 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 52,895 psi | 87% | 3379 fps | 99.4% |
| IMR 3031 | <<locked>> | 88% | 54,563 psi | 90% | 3428 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 54,998 psi | 90% | 3399 fps | 99.1% |
| IMR 4198 | <<locked>> | 82% | 54,592 psi | 90% | 3294 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 96% | 54,839 psi | 90% | 3389 fps | 95.9% |
| IMR 4831ᴾ | <<locked>> | 100% | 50,604 psi | 83% | 3379 fps | 98.1% |
| IMR 4895 | <<locked>> | 90% | 53,853 psi | 88% | 3442 fps | 99.3% |
| IMR 8208 XBR | <<locked>> | 86% | 53,461 psi | 88% | 3369 fps | 99.8% |
| Lovex D073.5 | <<locked>> | 82% | 53,722 psi | 88% | 3353 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 54,012 psi | 89% | 3396 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 54,172 psi | 89% | 3343 fps | 99.3% |
| Lovex S062 | <<locked>> | 92% | 54,607 psi | 90% | 3399 fps | 99.9% |
| Lovex S065 | <<locked>> | 98% | 54,143 psi | 89% | 3383 fps | 97.3% |
| Lovex S070ᴾ | <<locked>> | 100% | 54,810 psi | 90% | 3409 fps | 96.3% |
| Norma 201 | <<locked>> | 88% | 53,258 psi | 87% | 3363 fps | 99.8% |
| Norma 202 | <<locked>> | 88% | 53,548 psi | 88% | 3369 fps | 100% |
| Norma 203B | <<locked>> | 90% | 51,706 psi | 85% | 3389 fps | 99.1% |
| Norma URPᴾ | <<locked>> | 100% | 52,460 psi | 86% | 3438 fps | 98.2% |
| Ramshot Big Game | <<locked>> | 90% | 52,243 psi | 86% | 3412 fps | 99% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 51,750 psi | 85% | 3425 fps | 96.5% |
| Ramshot TAC | <<locked>> | 86% | 54,012 psi | 89% | 3376 fps | 97.5% |
| Ramshot Wild Boar | <<locked>> | 86% | 53,476 psi | 88% | 3402 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 84% | 54,549 psi | 90% | 3366 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,404 psi | 58% | 2205 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 52,866 psi | 87% | 3353 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 53,954 psi | 89% | 3379 fps | 96.5% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 52,388 psi | 86% | 3474 fps | 98.7% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 52,431 psi | 86% | 3514 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 53,156 psi | 87% | 3471 fps | 98.2% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 53,519 psi | 88% | 3501 fps | 97.9% |
| Rottweil R 901 | <<locked>> | 86% | 54,056 psi | 89% | 3353 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 53,679 psi | 88% | 3363 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 94% | 52,127 psi | 86% | 3383 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 98% | 54,143 psi | 89% | 3383 fps | 97.3% |
| Shooters World Match Rifle | <<locked>> | 88% | 54,012 psi | 89% | 3396 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 54,607 psi | 90% | 3399 fps | 99.9% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 54,810 psi | 90% | 3409 fps | 96.3% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 54,186 psi | 89% | 3451 fps | 99.3% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 52,315 psi | 86% | 3346 fps | 97.6% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 52,866 psi | 87% | 3383 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 54,998 psi | 90% | 3310 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 55,100 psi | 90% | 3301 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 54,636 psi | 90% | 3320 fps | 96% |
| Somchem S321 | <<locked>> | 84% | 54,882 psi | 90% | 3409 fps | 99.9% |
| Somchem S335 | <<locked>> | 88% | 54,230 psi | 89% | 3301 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 51,880 psi | 85% | 3340 fps | 99% |
| Somchem S355 | <<locked>> | 94% | 52,765 psi | 87% | 3386 fps | 99.4% |
| Somchem S365ᴾ | <<locked>> | 100% | 46,920 psi | 77% | 3376 fps | 99.7% |
| Vihtavuori N130 | <<locked>> | 84% | 54,418 psi | 89% | 3274 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 55,085 psi | 90% | 3294 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 53,127 psi | 87% | 3333 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 54,288 psi | 89% | 3346 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 54,244 psi | 89% | 3363 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 51,793 psi | 85% | 3379 fps | 98% |
| Vihtavuori N530 | <<locked>> | 86% | 54,012 psi | 89% | 3369 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 90% | 52,692 psi | 87% | 3340 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 54,520 psi | 90% | 3445 fps | 98.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 39,610 psi | 65% | 3212 fps | 96% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 52,562 psi | 86% | 3356 fps | 99.6% |
| Winchester 748 | <<locked>> | 86% | 53,693 psi | 88% | 3422 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 88% | 52,837 psi | 87% | 3392 fps | 99.5% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 45,774 psi | 75% | 3166 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 50,082 psi | 82% | 3284 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,435 psi | 63% | 3058 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 45,295 psi | 74% | 3225 fps | 99.8% |
| Accurate 4064 | <<locked>> | 80% | 36,318 psi | 60% | 3035 fps | 99.2% |
| Accurate 4350 | <<locked>> | 92% | 40,118 psi | 66% | 3179 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 42,177 psi | 69% | 3169 fps | 97.2% |
| ADI AR 2208 | <<locked>> | 82% | 38,218 psi | 63% | 3048 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 44,251 psi | 73% | 3189 fps | 98.7% |
| Alliant AR-Comp | <<locked>> | 80% | 43,859 psi | 72% | 3192 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 51,547 psi | 85% | 3435 fps | 99.3% |
| Alliant Power Pro 2000-MR | 65 gr | 82% | 40,886 psi | 67% | 3241 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,230 psi | 58% | 3009 fps | 96.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 51,445 psi | 84% | 3284 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 37,985 psi | 62% | 3084 fps | 95.3% |
| Alliant Reloder-16 | <<locked>> | 92% | 40,030 psi | 66% | 3189 fps | 95.3% |
| Alliant Reloder-17 | 65.6 gr | 84% | 34,940 psi | 57% | 3081 fps | 95.2% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 41,350 psi | 68% | 3159 fps | 95.8% |
| Bofors RP3 | <<locked>> | 80% | 34,722 psi | 57% | 3005 fps | 96% |
| Hodgdon Benchmark | <<locked>> | 80% | 45,934 psi | 75% | 3182 fps | 99.3% |
| Hodgdon BL-C2 | <<locked>> | 80% | 42,830 psi | 70% | 3199 fps | 98.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 47,137 psi | 77% | 3363 fps | 97.9% |
| Hodgdon H322 | <<locked>> | 80% | 50,473 psi | 83% | 3317 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 43,743 psi | 72% | 3205 fps | 95.7% |
| Hodgdon H4895 | <<locked>> | 80% | 42,569 psi | 70% | 3186 fps | 97.8% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 34,432 psi | 57% | 2999 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 38,392 psi | 63% | 3133 fps | 97.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,020 psi | 43% | 1932 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,872 psi | 67% | 3127 fps | 97.4% |
| IMR 3031 | <<locked>> | 80% | 41,655 psi | 68% | 3192 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,536 psi | 62% | 3028 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 51,459 psi | 84% | 3245 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 94% | 51,488 psi | 85% | 3323 fps | 95.1% |
| IMR 4831 | <<locked>> | 94% | 41,292 psi | 68% | 3186 fps | 95.8% |
| IMR 4895 | <<locked>> | 80% | 38,899 psi | 64% | 3120 fps | 96.4% |
| IMR 8208 XBR | <<locked>> | 80% | 44,251 psi | 73% | 3189 fps | 98.7% |
| Lovex D073.5 | <<locked>> | 80% | 50,096 psi | 82% | 3291 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 41,089 psi | 67% | 3146 fps | 99.3% |
| Lovex S060 | <<locked>> | 80% | 42,293 psi | 69% | 3100 fps | 97.3% |
| Lovex S062 | <<locked>> | 80% | 37,333 psi | 61% | 3035 fps | 97.2% |
| Lovex S065 | <<locked>> | 92% | 44,802 psi | 74% | 3196 fps | 95.1% |
| Lovex S070 | <<locked>> | 98% | 51,576 psi | 85% | 3350 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 41,336 psi | 68% | 3120 fps | 98.2% |
| Norma 202 | <<locked>> | 80% | 41,466 psi | 68% | 3136 fps | 99.7% |
| Norma 203B | <<locked>> | 80% | 37,376 psi | 61% | 3068 fps | 95.8% |
| Norma URP | <<locked>> | 92% | 40,176 psi | 66% | 3176 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 36,767 psi | 60% | 3068 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 98% | 48,298 psi | 79% | 3353 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 44,222 psi | 73% | 3176 fps | 95.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,511 psi | 71% | 3202 fps | 97.5% |
| Ramshot X-Terminator | <<locked>> | 80% | 47,935 psi | 79% | 3241 fps | 98.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,295 psi | 43% | 1978 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 49,559 psi | 81% | 3294 fps | 99.9% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 50,647 psi | 83% | 3314 fps | 95.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 39,465 psi | 65% | 3192 fps | 95.8% |
| ReloadSwiss RS 60 | 62.5 gr | 80% | 32,503 psi | 53% | 3018 fps | 96.8% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 42,873 psi | 70% | 3264 fps | 95.8% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 43,337 psi | 71% | 3278 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 45,107 psi | 74% | 3186 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 80% | 39,204 psi | 64% | 3061 fps | 97.7% |
| Rottweil R 903 | <<locked>> | 82% | 34,969 psi | 57% | 3002 fps | 95.8% |
| Shooters World Long Rifle | <<locked>> | 92% | 44,802 psi | 74% | 3196 fps | 95.1% |
| Shooters World Match Rifle | <<locked>> | 80% | 41,089 psi | 67% | 3146 fps | 99.3% |
| Shooters World Precision | <<locked>> | 80% | 37,333 psi | 61% | 3035 fps | 97.2% |
| Shooters World SW4350 | <<locked>> | 98% | 51,576 psi | 85% | 3350 fps | 95.6% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 36,027 psi | 59% | 3054 fps | 95.1% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 42,424 psi | 70% | 3143 fps | 95.2% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,727 psi | 67% | 3127 fps | 96.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,641 psi | 70% | 3081 fps | 99.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,302 psi | 58% | 2913 fps | 99.4% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 51,024 psi | 84% | 3255 fps | 95.1% |
| Somchem S321 | <<locked>> | 80% | 47,892 psi | 79% | 3281 fps | 99.4% |
| Somchem S335 | <<locked>> | 80% | 42,380 psi | 70% | 3084 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 42,119 psi | 69% | 3143 fps | 97.1% |
| Somchem S355 | <<locked>> | 80% | 33,663 psi | 55% | 2953 fps | 95% |
| Somchem S365 | <<locked>> | 88% | 31,604 psi | 52% | 2982 fps | 95.5% |
| Vihtavuori N130 | <<locked>> | 80% | 48,211 psi | 79% | 3169 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 42,873 psi | 70% | 3081 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,348 psi | 63% | 3054 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 39,204 psi | 64% | 3058 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 80% | 31,923 psi | 52% | 2877 fps | 96% |
| Vihtavuori N160 | <<locked>> | 92% | 42,250 psi | 69% | 3182 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 44,222 psi | 73% | 3179 fps | 98.8% |
| Vihtavuori N540 | <<locked>> | 80% | 37,782 psi | 62% | 3035 fps | 99.1% |
| Vihtavuori N550 | <<locked>> | 92% | 41,698 psi | 68% | 3182 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 98% | 36,956 psi | 61% | 3143 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 34,998 psi | 57% | 2966 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 43,569 psi | 72% | 3225 fps | 99.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 40,103 psi | 66% | 3127 fps | 97.3% |
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 89 powders for .300 Blaser Mag. loaded with the .308 | 120gr | SAKO Powerhead Blade. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,543 fps; across all powders the maximum-charge window runs from 2,152 fps to 3,543 fps. Accurate 4350 gives the best case fill at 100 %, and 89 of the 89 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (420 MPa), the top charges use 57–90 %, 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. Accurate 4350, Alliant Reloder-16, Hodgdon Hybrid 100V 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 60, Alliant Reloder-17, Alliant Power Pro 2000-MR rank at the top here: for .300 Blaser 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.