
Load Specifications
Load data in caliber .300 Rem. SA Ultra Mag. with .308 | 175gr | SAKO Blade bullet and 107 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 Power Pro 2000-MR and ReloadSwiss RS 52.
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>> | 88% | 58,610 psi | 90% | 2700 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 57,130 psi | 88% | 2730 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 56,753 psi | 87% | 2723 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 55,448 psi | 85% | 2743 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 57,029 psi | 88% | 2730 fps | 97.2% |
| Accurate 4064 | <<locked>> | 94% | 56,608 psi | 87% | 2769 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 52,910 psi | 81% | 2802 fps | 99.4% |
| Accurate LT-30 | <<locked>> | 82% | 57,769 psi | 89% | 2648 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 58,247 psi | 90% | 2674 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 58,059 psi | 89% | 2808 fps | 100% |
| ADI AR 2208 | <<locked>> | 94% | 55,579 psi | 86% | 2756 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 88% | 57,014 psi | 88% | 2759 fps | 100% |
| Alliant AR-Comp | <<locked>> | 88% | 57,769 psi | 89% | 2730 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 55,317 psi | 85% | 2812 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 57,827 psi | 89% | 2930 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 58,740 psi | 90% | 2825 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 84% | 58,320 psi | 90% | 2703 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 55,825 psi | 86% | 2799 fps | 99.9% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 51,358 psi | 79% | 2805 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 98% | 55,796 psi | 86% | 2894 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 36,085 psi | 56% | 2539 fps | 97.9% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 40,030 psi | 62% | 2684 fps | 96.8% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 57,203 psi | 88% | 2648 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 58,146 psi | 89% | 2828 fps | 99.8% |
| Bofors RP3 | <<locked>> | 94% | 55,506 psi | 85% | 2789 fps | 100% |
| Bofors RP7 | <<locked>> | 98% | 56,057 psi | 86% | 2759 fps | 97.3% |
| Hodgdon Benchmark | <<locked>> | 86% | 55,376 psi | 85% | 2694 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 56,347 psi | 87% | 2792 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 58,668 psi | 90% | 2890 fps | 100% |
| Hodgdon H322 | <<locked>> | 84% | 57,928 psi | 89% | 2753 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 55,259 psi | 85% | 2730 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 56,898 psi | 88% | 2805 fps | 99.5% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 56,043 psi | 86% | 2851 fps | 98.1% |
| Hodgdon H4350 | <<locked>> | 98% | 57,116 psi | 88% | 2815 fps | 96.9% |
| Hodgdon H4895 | <<locked>> | 90% | 58,682 psi | 90% | 2818 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 47,355 psi | 73% | 2684 fps | 99.7% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 57,856 psi | 89% | 2848 fps | 100% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 57,363 psi | 88% | 2890 fps | 97.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,128 psi | 54% | 1660 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 56,391 psi | 87% | 2772 fps | 100% |
| IMR 3031 | <<locked>> | 90% | 58,262 psi | 90% | 2792 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 58,581 psi | 90% | 2789 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 92% | 58,813 psi | 90% | 2772 fps | 98.2% |
| IMR 4198 | <<locked>> | 84% | 58,595 psi | 90% | 2661 fps | 100% |
| IMR 4350ᴾ | <<locked>> | 100% | 52,562 psi | 81% | 2730 fps | 96.8% |
| IMR 4451 Enduron | <<locked>> | 98% | 58,015 psi | 89% | 2792 fps | 98.1% |
| IMR 4831ᴾ | <<locked>> | 100% | 50,053 psi | 77% | 2740 fps | 99.2% |
| IMR 4895 | <<locked>> | 92% | 57,246 psi | 88% | 2828 fps | 100% |
| IMR 8208 XBR | <<locked>> | 88% | 57,014 psi | 88% | 2759 fps | 100% |
| Lovex D073.5 | <<locked>> | 84% | 57,116 psi | 88% | 2743 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 57,493 psi | 88% | 2779 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 57,783 psi | 89% | 2736 fps | 100% |
| Lovex S062 | <<locked>> | 94% | 58,001 psi | 89% | 2782 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 56,985 psi | 88% | 2782 fps | 99% |
| Lovex S070ᴾ | <<locked>> | 100% | 54,244 psi | 83% | 2762 fps | 97.8% |
| Norma 201 | <<locked>> | 90% | 56,260 psi | 87% | 2749 fps | 100% |
| Norma 202 | <<locked>> | 90% | 57,043 psi | 88% | 2753 fps | 100% |
| Norma 203B | <<locked>> | 94% | 58,479 psi | 90% | 2835 fps | 100% |
| Norma URPᴾ | <<locked>> | 100% | 52,025 psi | 80% | 2785 fps | 99.3% |
| Ramshot Big Game | <<locked>> | 92% | 55,608 psi | 86% | 2812 fps | 100% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 51,097 psi | 79% | 2782 fps | 98% |
| Ramshot TAC | <<locked>> | 88% | 57,450 psi | 88% | 2779 fps | 99.2% |
| Ramshot Wild Boar | <<locked>> | 88% | 56,840 psi | 87% | 2795 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 86% | 58,276 psi | 90% | 2766 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,563 psi | 55% | 1699 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 56,695 psi | 87% | 2740 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 57,406 psi | 88% | 2789 fps | 98.6% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 56,260 psi | 87% | 2864 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 55,608 psi | 86% | 2894 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 52,518 psi | 81% | 2822 fps | 99.3% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 52,852 psi | 81% | 2851 fps | 99.1% |
| Rottweil R 901 | <<locked>> | 88% | 57,159 psi | 88% | 2730 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 56,811 psi | 87% | 2746 fps | 100% |
| Rottweil R 903 | <<locked>> | 96% | 55,361 psi | 85% | 2782 fps | 100% |
| Rottweil R 907 | <<locked>> | 98% | 56,057 psi | 86% | 2759 fps | 97.3% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 56,985 psi | 88% | 2782 fps | 99% |
| Shooters World Match Rifle | <<locked>> | 90% | 57,493 psi | 88% | 2779 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 58,001 psi | 89% | 2782 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 54,244 psi | 83% | 2762 fps | 97.8% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 56,188 psi | 86% | 2713 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 57,609 psi | 89% | 2848 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 56,188 psi | 86% | 2687 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 55,825 psi | 86% | 2759 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 56,304 psi | 87% | 2779 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 58,523 psi | 90% | 2690 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 58,450 psi | 90% | 2687 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 57,928 psi | 89% | 2740 fps | 98.1% |
| Somchem S321 | <<locked>> | 86% | 58,494 psi | 90% | 2795 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 57,334 psi | 88% | 2687 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 55,259 psi | 85% | 2749 fps | 99.9% |
| Somchem S355 | <<locked>> | 96% | 55,811 psi | 86% | 2779 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 46,383 psi | 71% | 2736 fps | 100% |
| Vihtavuori N130 | <<locked>> | 86% | 58,044 psi | 89% | 2654 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 58,682 psi | 90% | 2674 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 56,347 psi | 87% | 2710 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 57,595 psi | 89% | 2730 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 57,508 psi | 88% | 2759 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 55,027 psi | 85% | 2789 fps | 99.5% |
| Vihtavuori N530 | <<locked>> | 88% | 57,841 psi | 89% | 2762 fps | 100% |
| Vihtavuori N540 | <<locked>> | 92% | 55,637 psi | 86% | 2730 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 53,780 psi | 83% | 2792 fps | 99.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 38,899 psi | 60% | 2608 fps | 97.8% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 55,651 psi | 86% | 2772 fps | 100% |
| Winchester 748 | <<locked>> | 88% | 57,609 psi | 89% | 2808 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 56,376 psi | 87% | 2854 fps | 98.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 32,111 psi | 49% | 2516 fps | 97% |
| Winchester StaBALL Match | <<locked>> | 90% | 56,115 psi | 86% | 2785 fps | 100% |
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% | 45,788 psi | 70% | 2526 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 49,879 psi | 77% | 2631 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 37,956 psi | 58% | 2444 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 44,991 psi | 69% | 2592 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 46,644 psi | 72% | 2569 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 35,955 psi | 55% | 2438 fps | 99.9% |
| Accurate 4350 | <<locked>> | 88% | 34,389 psi | 53% | 2464 fps | 95.6% |
| Accurate LT-30 | <<locked>> | 80% | 54,346 psi | 84% | 2602 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 54,766 psi | 84% | 2628 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 42,221 psi | 65% | 2552 fps | 98.8% |
| ADI AR 2208 | <<locked>> | 80% | 35,795 psi | 55% | 2405 fps | 96.6% |
| ADI Benchmark 8208 | <<locked>> | 80% | 44,367 psi | 68% | 2566 fps | 99.7% |
| Alliant AR-Comp | <<locked>> | 80% | 44,237 psi | 68% | 2552 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 51,880 psi | 80% | 2762 fps | 100% |
| Alliant Power Pro 2000-MR | 48.5 gr | 80% | 38,072 psi | 59% | 2572 fps | 97.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,128 psi | 54% | 2425 fps | 98% |
| Alliant Reloder-10x | <<locked>> | 80% | 51,677 psi | 80% | 2618 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 37,956 psi | 58% | 2487 fps | 97.4% |
| Alliant Reloder-16 | <<locked>> | 88% | 35,186 psi | 54% | 2484 fps | 95.8% |
| Alliant Reloder-17 | <<locked>> | 80% | 30,255 psi | 47% | 2382 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 94% | 30,008 psi | 46% | 2382 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 98% | 37,318 psi | 57% | 2618 fps | 95.8% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 53,417 psi | 82% | 2598 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 41,234 psi | 63% | 2552 fps | 97.7% |
| Bofors RP3 | <<locked>> | 80% | 34,592 psi | 53% | 2428 fps | 98% |
| Bofors RP7 | <<locked>> | 92% | 46,238 psi | 71% | 2602 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 46,209 psi | 71% | 2556 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 42,685 psi | 66% | 2579 fps | 99.8% |
| Hodgdon CFE223 | <<locked>> | 80% | 47,384 psi | 73% | 2720 fps | 99.2% |
| Hodgdon H322 | <<locked>> | 80% | 50,691 psi | 78% | 2654 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 51,648 psi | 79% | 2680 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 35,665 psi | 55% | 2431 fps | 95.3% |
| Hodgdon H414 | <<locked>> | 92% | 43,018 psi | 66% | 2635 fps | 95.2% |
| Hodgdon H4350 | <<locked>> | 94% | 50,227 psi | 77% | 2710 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 42,598 psi | 66% | 2566 fps | 99.2% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 30,110 psi | 46% | 2329 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 38,450 psi | 59% | 2533 fps | 98.9% |
| Hodgdon Superformance | <<locked>> | 94% | 46,340 psi | 71% | 2710 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,150 psi | 40% | 1483 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,857 psi | 63% | 2516 fps | 98.9% |
| IMR 3031 | <<locked>> | 80% | 41,916 psi | 64% | 2559 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,565 psi | 58% | 2438 fps | 97.4% |
| IMR 4166 Enduron | <<locked>> | 82% | 42,960 psi | 66% | 2513 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 52,228 psi | 80% | 2582 fps | 100% |
| IMR 4350 | <<locked>> | 96% | 46,499 psi | 72% | 2631 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 90% | 45,324 psi | 70% | 2589 fps | 95.6% |
| IMR 4831 | <<locked>> | 88% | 33,504 psi | 52% | 2425 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 38,856 psi | 60% | 2516 fps | 98.2% |
| IMR 8208 XBR | <<locked>> | 80% | 44,367 psi | 68% | 2566 fps | 99.7% |
| Lovex D073.5 | <<locked>> | 80% | 49,879 psi | 77% | 2644 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 40,756 psi | 63% | 2530 fps | 99.9% |
| Lovex S060 | <<locked>> | 80% | 42,424 psi | 65% | 2493 fps | 98.8% |
| Lovex S062 | <<locked>> | 80% | 37,260 psi | 57% | 2441 fps | 98.8% |
| Lovex S065 | <<locked>> | 88% | 39,218 psi | 60% | 2480 fps | 95.5% |
| Lovex S070 | <<locked>> | 92% | 42,090 psi | 65% | 2556 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 41,205 psi | 63% | 2507 fps | 99.4% |
| Norma 202 | <<locked>> | 80% | 41,423 psi | 64% | 2516 fps | 100% |
| Norma 203B | <<locked>> | 80% | 37,318 psi | 57% | 2477 fps | 97.8% |
| Norma URP | <<locked>> | 88% | 35,114 psi | 54% | 2474 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 36,680 psi | 56% | 2484 fps | 97.4% |
| Ramshot Hunter | <<locked>> | 94% | 41,974 psi | 65% | 2621 fps | 95.8% |
| Ramshot TAC | <<locked>> | 80% | 44,063 psi | 68% | 2566 fps | 97% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,569 psi | 67% | 2585 fps | 99% |
| Ramshot X-Terminator | <<locked>> | 80% | 47,732 psi | 73% | 2608 fps | 99.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,194 psi | 40% | 1512 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 49,850 psi | 77% | 2644 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 41,379 psi | 64% | 2523 fps | 95.3% |
| ReloadSwiss RS 52 | 47 gr | 80% | 39,465 psi | 61% | 2582 fps | 97.8% |
| ReloadSwiss RS 60 | 47.8 gr | 80% | 32,300 psi | 50% | 2454 fps | 98.9% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 34,403 psi | 53% | 2484 fps | 95.1% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 37,391 psi | 58% | 2549 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 44,947 psi | 69% | 2546 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,044 psi | 60% | 2457 fps | 99.1% |
| Rottweil R 903 | <<locked>> | 80% | 32,474 psi | 50% | 2372 fps | 97.1% |
| Rottweil R 907 | <<locked>> | 92% | 46,238 psi | 71% | 2602 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 88% | 39,218 psi | 60% | 2480 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 40,756 psi | 63% | 2530 fps | 99.9% |
| Shooters World Precision | <<locked>> | 80% | 37,260 psi | 57% | 2441 fps | 98.8% |
| Shooters World SW4350 | <<locked>> | 92% | 42,090 psi | 65% | 2556 fps | 95.1% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 52,460 psi | 81% | 2661 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 33,533 psi | 52% | 2418 fps | 96.5% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 52,707 psi | 81% | 2641 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 42,264 psi | 65% | 2539 fps | 97.2% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,596 psi | 62% | 2520 fps | 98.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,801 psi | 66% | 2467 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,375 psi | 54% | 2339 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 44,237 psi | 68% | 2533 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 47,659 psi | 73% | 2638 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 42,308 psi | 65% | 2467 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 41,959 psi | 65% | 2536 fps | 98.7% |
| Somchem S355 | <<locked>> | 80% | 33,489 psi | 52% | 2382 fps | 97.2% |
| Somchem S365 | <<locked>> | 84% | 27,398 psi | 42% | 2313 fps | 96% |
| Vihtavuori N130 | <<locked>> | 80% | 48,472 psi | 75% | 2526 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 43,134 psi | 66% | 2464 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,522 psi | 59% | 2448 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 39,334 psi | 61% | 2457 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,836 psi | 49% | 2323 fps | 98% |
| Vihtavuori N160 | <<locked>> | 86% | 34,447 psi | 53% | 2425 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 44,367 psi | 68% | 2559 fps | 99.7% |
| Vihtavuori N540 | <<locked>> | 80% | 37,826 psi | 58% | 2444 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 88% | 36,056 psi | 55% | 2474 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 94% | 31,937 psi | 49% | 2451 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 30,327 psi | 47% | 2300 fps | 95.9% |
| Winchester 748 | <<locked>> | 80% | 43,772 psi | 67% | 2602 fps | 99.9% |
| Winchester 760 | <<locked>> | 92% | 43,018 psi | 66% | 2635 fps | 95.2% |
| Winchester StaBALL HD | <<locked>> | 98% | 30,037 psi | 46% | 2451 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 39,929 psi | 61% | 2523 fps | 98.8% |
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 107 powders for .300 Rem. SA Ultra Mag. loaded with the .308 | 175gr | SAKO Blade. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,930 fps; across all powders the maximum-charge window runs from 1,660 fps to 2,930 fps. Accurate 4350 gives the best case fill at 100 %, and 107 of the 107 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 49–90 %, leaving at least 10 % headroom. The 175.0 gr projectile in 0.308" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-23 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 Power Pro 2000-MR, ReloadSwiss RS 52 rank at the top here: for .300 Rem. SA Ultra Mag. with the .308 | 175gr | SAKO 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.