
Load Specifications
Load data in caliber .300 Rem. SA Ultra Mag. with .308 | 162gr | 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 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.
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% | 55,796 psi | 86% | 2772 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 58,204 psi | 90% | 2854 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 56,971 psi | 88% | 2835 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 56,289 psi | 87% | 2864 fps | 100% |
| Accurate 2700 | <<locked>> | 94% | 57,798 psi | 89% | 2838 fps | 96.5% |
| Accurate 4064 | <<locked>> | 96% | 56,637 psi | 87% | 2877 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 49,081 psi | 76% | 2844 fps | 98.5% |
| Accurate LT-30 | <<locked>> | 82% | 55,521 psi | 85% | 2723 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 55,970 psi | 86% | 2749 fps | 100% |
| ADI AR 2206H | <<locked>> | 92% | 58,508 psi | 90% | 2923 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 96% | 56,072 psi | 86% | 2867 fps | 99.5% |
| ADI AR 2219 | <<locked>> | 82% | 56,347 psi | 87% | 2844 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 57,870 psi | 89% | 2877 fps | 100% |
| Alliant AR-Comp | <<locked>> | 90% | 58,160 psi | 89% | 2851 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 55,811 psi | 86% | 2930 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 58,610 psi | 90% | 3045 fps | 99.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 55,448 psi | 85% | 2887 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 84% | 55,622 psi | 86% | 2779 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 56,391 psi | 87% | 2910 fps | 99.7% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 48,327 psi | 74% | 2851 fps | 98.6% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 56,318 psi | 87% | 3005 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 34,026 psi | 52% | 2569 fps | 96% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 58,204 psi | 90% | 2766 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 54,911 psi | 84% | 2884 fps | 99.3% |
| Bofors RP3 | <<locked>> | 96% | 55,883 psi | 86% | 2900 fps | 100% |
| Bofors RP7ᴾ | <<locked>> | 100% | 56,724 psi | 87% | 2867 fps | 96.6% |
| Hodgdon Benchmark | <<locked>> | 88% | 56,449 psi | 87% | 2815 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 90% | 57,116 psi | 88% | 2910 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 55,463 psi | 85% | 2956 fps | 99.6% |
| Hodgdon H322 | <<locked>> | 86% | 58,639 psi | 90% | 2871 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 55,999 psi | 86% | 2851 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 57,421 psi | 88% | 2913 fps | 99.1% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 52,721 psi | 81% | 2897 fps | 96.7% |
| Hodgdon H4350ᴾ | <<locked>> | 100% | 57,885 psi | 89% | 2923 fps | 96.1% |
| Hodgdon H4895 | <<locked>> | 90% | 55,608 psi | 86% | 2884 fps | 99.9% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 44,585 psi | 69% | 2736 fps | 99% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 58,508 psi | 90% | 2969 fps | 100% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 54,302 psi | 84% | 2936 fps | 96.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,896 psi | 54% | 1726 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 57,246 psi | 88% | 2887 fps | 100% |
| IMR 3031 | <<locked>> | 90% | 55,259 psi | 85% | 2871 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 55,550 psi | 85% | 2851 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 92% | 56,304 psi | 87% | 2835 fps | 97.1% |
| IMR 4198 | <<locked>> | 84% | 56,246 psi | 87% | 2743 fps | 100% |
| IMR 4451 Enduronᴾ | <<locked>> | 100% | 58,740 psi | 90% | 2900 fps | 97.4% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,949 psi | 72% | 2789 fps | 98.1% |
| IMR 4895 | <<locked>> | 94% | 57,841 psi | 89% | 2943 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 90% | 57,870 psi | 89% | 2877 fps | 100% |
| Lovex D073.5 | <<locked>> | 86% | 58,146 psi | 89% | 2864 fps | 100% |
| Lovex D073.6 | <<locked>> | 92% | 57,943 psi | 89% | 2897 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 58,537 psi | 90% | 2851 fps | 99.9% |
| Lovex S062 | <<locked>> | 96% | 58,407 psi | 90% | 2894 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 54,085 psi | 83% | 2838 fps | 98% |
| Lovex S070ᴾ | <<locked>> | 100% | 51,372 psi | 79% | 2815 fps | 96.5% |
| Norma 201 | <<locked>> | 92% | 57,116 psi | 88% | 2867 fps | 100% |
| Norma 202 | <<locked>> | 92% | 57,798 psi | 89% | 2871 fps | 100% |
| Norma 203B | <<locked>> | 94% | 55,535 psi | 85% | 2900 fps | 99.8% |
| Norma URPᴾ | <<locked>> | 100% | 48,892 psi | 75% | 2838 fps | 98.3% |
| Ramshot Big Game | <<locked>> | 94% | 56,188 psi | 86% | 2923 fps | 99.8% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 48,153 psi | 74% | 2828 fps | 96.5% |
| Ramshot TAC | <<locked>> | 90% | 58,479 psi | 90% | 2894 fps | 98.8% |
| Ramshot Wild Boar | <<locked>> | 90% | 57,754 psi | 89% | 2913 fps | 99.9% |
| Ramshot X-Terminator | <<locked>> | 86% | 55,463 psi | 85% | 2828 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,027 psi | 54% | 1762 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 57,696 psi | 89% | 2864 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 96% | 58,305 psi | 90% | 2900 fps | 98% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 56,869 psi | 87% | 2982 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 56,159 psi | 86% | 3012 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 48,979 psi | 75% | 2867 fps | 98.2% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 49,835 psi | 77% | 2894 fps | 97.8% |
| Rottweil R 901 | <<locked>> | 90% | 57,812 psi | 89% | 2848 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 57,638 psi | 89% | 2864 fps | 100% |
| Rottweil R 903 | <<locked>> | 98% | 55,738 psi | 86% | 2890 fps | 100% |
| Rottweil R 907ᴾ | <<locked>> | 100% | 56,724 psi | 87% | 2867 fps | 96.6% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 54,085 psi | 83% | 2838 fps | 98% |
| Shooters World Match Rifle | <<locked>> | 92% | 57,943 psi | 89% | 2897 fps | 100% |
| Shooters World Precision | <<locked>> | 96% | 58,407 psi | 90% | 2894 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 51,372 psi | 79% | 2815 fps | 96.5% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 57,493 psi | 88% | 2835 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 58,595 psi | 90% | 2507 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 56,623 psi | 87% | 2854 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 57,870 psi | 89% | 2956 fps | 99.9% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 56,782 psi | 87% | 2805 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 56,753 psi | 87% | 2874 fps | 98.9% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 57,217 psi | 88% | 2897 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 55,825 psi | 86% | 2762 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 55,535 psi | 85% | 2756 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 54,911 psi | 84% | 2795 fps | 96.8% |
| Somchem S321 | <<locked>> | 86% | 55,738 psi | 86% | 2864 fps | 100% |
| Somchem S335 | <<locked>> | 92% | 58,262 psi | 90% | 2805 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 56,072 psi | 86% | 2861 fps | 99.8% |
| Somchem S355 | <<locked>> | 98% | 56,304 psi | 87% | 2890 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 43,468 psi | 67% | 2785 fps | 99.7% |
| Vihtavuori N130 | <<locked>> | 86% | 55,521 psi | 85% | 2730 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 55,927 psi | 86% | 2749 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 57,101 psi | 88% | 2831 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 58,378 psi | 90% | 2848 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 58,059 psi | 89% | 2871 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 51,532 psi | 79% | 2838 fps | 98.6% |
| Vihtavuori N530 | <<locked>> | 90% | 58,755 psi | 90% | 2881 fps | 100% |
| Vihtavuori N540 | <<locked>> | 94% | 56,565 psi | 87% | 2848 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 50,647 psi | 78% | 2844 fps | 98.4% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 36,216 psi | 56% | 2644 fps | 96% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 52,605 psi | 81% | 2825 fps | 99.9% |
| Winchester 748 | <<locked>> | 90% | 58,160 psi | 89% | 2927 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 53,040 psi | 82% | 2904 fps | 96.7% |
| Winchester StaBALL Match | <<locked>> | 92% | 56,927 psi | 88% | 2904 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% | 43,555 psi | 67% | 2595 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 47,239 psi | 73% | 2697 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,433 psi | 55% | 2497 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 42,424 psi | 65% | 2648 fps | 99.9% |
| Accurate 2700 | <<locked>> | 90% | 50,560 psi | 78% | 2726 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 33,518 psi | 52% | 2480 fps | 99.4% |
| Accurate 4350 | <<locked>> | 92% | 36,825 psi | 57% | 2612 fps | 95.5% |
| Accurate LT-30 | <<locked>> | 80% | 52,214 psi | 80% | 2677 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 52,605 psi | 81% | 2703 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 39,885 psi | 61% | 2602 fps | 97.6% |
| ADI AR 2208 | <<locked>> | 80% | 34,011 psi | 52% | 2454 fps | 95% |
| ADI AR 2219 | <<locked>> | 80% | 52,576 psi | 81% | 2792 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,959 psi | 65% | 2618 fps | 99% |
| Alliant AR-Comp | <<locked>> | 80% | 41,669 psi | 64% | 2621 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 48,834 psi | 75% | 2818 fps | 99.5% |
| Alliant Power Pro 2000-MR | 48.9 gr | 80% | 35,984 psi | 55% | 2608 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 33,141 psi | 51% | 2470 fps | 96.6% |
| Alliant Reloder-10x | <<locked>> | 80% | 49,327 psi | 76% | 2694 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,679 psi | 55% | 2530 fps | 95.8% |
| Alliant Reloder-16 | <<locked>> | 92% | 37,826 psi | 58% | 2631 fps | 95.7% |
| Alliant Reloder-17 | <<locked>> | 84% | 32,677 psi | 50% | 2536 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 98% | 32,010 psi | 49% | 2516 fps | 95% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 51,082 psi | 79% | 2671 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,928 psi | 60% | 2598 fps | 96.2% |
| Bofors RP3 | <<locked>> | 80% | 32,285 psi | 50% | 2464 fps | 96.5% |
| Bofors RP7 | <<locked>> | 96% | 49,835 psi | 77% | 2759 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,932 psi | 68% | 2615 fps | 99.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,248 psi | 62% | 2631 fps | 99.2% |
| Hodgdon CFE223 | <<locked>> | 80% | 44,541 psi | 69% | 2772 fps | 98.2% |
| Hodgdon H322 | <<locked>> | 80% | 48,182 psi | 74% | 2726 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 49,008 psi | 75% | 2749 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 38,435 psi | 59% | 2582 fps | 95.3% |
| Hodgdon H414 | <<locked>> | 96% | 46,224 psi | 71% | 2785 fps | 95.1% |
| Hodgdon H4350 | <<locked>> | 98% | 54,143 psi | 83% | 2867 fps | 95.4% |
| Hodgdon H4895 | <<locked>> | 80% | 40,190 psi | 62% | 2615 fps | 98.2% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 32,227 psi | 50% | 2467 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,216 psi | 56% | 2579 fps | 97.7% |
| Hodgdon Superformance | <<locked>> | 98% | 50,386 psi | 78% | 2874 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,817 psi | 40% | 1539 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,827 psi | 60% | 2569 fps | 97.8% |
| IMR 3031 | <<locked>> | 80% | 39,508 psi | 61% | 2621 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,650 psi | 55% | 2487 fps | 95.9% |
| IMR 4166 Enduron | <<locked>> | 86% | 46,470 psi | 71% | 2671 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 49,821 psi | 77% | 2657 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 94% | 48,805 psi | 75% | 2743 fps | 95.5% |
| IMR 4831 | <<locked>> | 92% | 35,824 psi | 55% | 2569 fps | 95.2% |
| IMR 4895 | <<locked>> | 80% | 36,521 psi | 56% | 2559 fps | 96.8% |
| IMR 8208 XBR | <<locked>> | 80% | 41,959 psi | 65% | 2618 fps | 99% |
| Lovex D073.5 | <<locked>> | 80% | 47,181 psi | 73% | 2703 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 38,319 psi | 59% | 2582 fps | 99.5% |
| Lovex S060 | <<locked>> | 80% | 40,567 psi | 62% | 2549 fps | 97.8% |
| Lovex S062 | <<locked>> | 80% | 35,288 psi | 54% | 2490 fps | 97.7% |
| Lovex S065 | <<locked>> | 92% | 42,134 psi | 65% | 2631 fps | 95.4% |
| Lovex S070 | <<locked>> | 96% | 45,136 psi | 69% | 2707 fps | 95% |
| Norma 201 | <<locked>> | 80% | 38,914 psi | 60% | 2556 fps | 98.5% |
| Norma 202 | <<locked>> | 80% | 39,276 psi | 60% | 2575 fps | 99.8% |
| Norma 203B | <<locked>> | 80% | 35,070 psi | 54% | 2520 fps | 96.3% |
| Norma URP | <<locked>> | 92% | 37,666 psi | 58% | 2621 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 34,563 psi | 53% | 2526 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 98% | 45,005 psi | 69% | 2769 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 41,901 psi | 64% | 2615 fps | 95.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 41,205 psi | 63% | 2638 fps | 97.9% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,484 psi | 70% | 2667 fps | 98.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,020 psi | 40% | 1575 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 47,181 psi | 73% | 2707 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 44,701 psi | 69% | 2680 fps | 95.3% |
| ReloadSwiss RS 52 | 47.4 gr | 80% | 36,999 psi | 57% | 2625 fps | 96.2% |
| ReloadSwiss RS 60 | 48.2 gr | 80% | 30,501 psi | 47% | 2487 fps | 97.3% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 37,072 psi | 57% | 2635 fps | 95% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 40,480 psi | 62% | 2703 fps | 95.1% |
| Rottweil R 901 | <<locked>> | 80% | 42,786 psi | 66% | 2612 fps | 99.9% |
| Rottweil R 902 | <<locked>> | 80% | 37,072 psi | 57% | 2510 fps | 98.1% |
| Rottweil R 903 | <<locked>> | 80% | 30,313 psi | 47% | 2405 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 96% | 49,835 psi | 77% | 2759 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 92% | 42,134 psi | 65% | 2631 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,319 psi | 59% | 2582 fps | 99.5% |
| Shooters World Precision | <<locked>> | 80% | 35,288 psi | 54% | 2490 fps | 97.7% |
| Shooters World SW4350 | <<locked>> | 96% | 45,136 psi | 69% | 2707 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 49,922 psi | 77% | 2723 fps | 99.7% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 55,463 psi | 85% | 2470 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 53,055 psi | 82% | 2802 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 33,866 psi | 52% | 2516 fps | 95.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 50,285 psi | 77% | 2717 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 39,914 psi | 61% | 2582 fps | 95.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,479 psi | 59% | 2569 fps | 97.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,857 psi | 63% | 2530 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,634 psi | 52% | 2395 fps | 99.6% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 47,935 psi | 74% | 2687 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 45,150 psi | 69% | 2697 fps | 99.6% |
| Somchem S335 | <<locked>> | 80% | 40,118 psi | 62% | 2526 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,624 psi | 61% | 2585 fps | 97.5% |
| Somchem S355 | <<locked>> | 80% | 31,444 psi | 48% | 2421 fps | 95.5% |
| Somchem S365 | <<locked>> | 88% | 29,385 psi | 45% | 2454 fps | 95.9% |
| Vihtavuori N130 | <<locked>> | 80% | 46,369 psi | 71% | 2598 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 41,104 psi | 63% | 2530 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,361 psi | 56% | 2507 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 37,043 psi | 57% | 2510 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 80% | 29,849 psi | 46% | 2362 fps | 96.4% |
| Vihtavuori N160 | <<locked>> | 90% | 37,014 psi | 57% | 2569 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 41,887 psi | 64% | 2612 fps | 99.1% |
| Vihtavuori N540 | <<locked>> | 80% | 35,578 psi | 55% | 2493 fps | 99.3% |
| Vihtavuori N550 | <<locked>> | 92% | 38,740 psi | 60% | 2625 fps | 95.6% |
| Vihtavuori N555 | <<locked>> | 98% | 33,968 psi | 52% | 2589 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 32,880 psi | 51% | 2444 fps | 95.9% |
| Winchester 748 | <<locked>> | 80% | 41,263 psi | 63% | 2657 fps | 99.5% |
| Winchester 760 | <<locked>> | 96% | 46,224 psi | 71% | 2785 fps | 95.1% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,681 psi | 58% | 2572 fps | 97.6% |
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 113 powders for .300 Rem. SA Ultra Mag. loaded with the .308 | 162gr | SAKO Blade. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,045 fps; across all powders the maximum-charge window runs from 1,726 fps to 3,045 fps. Accurate 3100 gives the best case fill at 100 %, and 113 of the 113 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 46–90 %, leaving at least 10 % headroom. The 162.0 gr projectile in 0.308" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 4350, 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 Power Pro 2000-MR, ReloadSwiss RS 52, ReloadSwiss RS 60 rank at the top here: for .300 Rem. SA Ultra Mag. with the .308 | 162gr | SAKO Blade they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 3100, Alliant Reloder-26, Norma 204 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.