Load Specifications
Bullet Manufacturer:Fox Bullets
Bullet Weight:180 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Case Length (l3):2.003"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:74 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:65,000 psi
Recommended Twist Rate:1:10.5
Load data in caliber .300 Rem. SA Ultra Mag. with .308 | 180gr | Fox Classic Hunter bullet and 108 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 Alliant Reloder-17.
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>> | 86% | 56,115 psi | 86% | 2628 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 58,320 psi | 90% | 2703 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 57,740 psi | 89% | 2690 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 56,695 psi | 87% | 2720 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 57,914 psi | 89% | 2707 fps | 97.6% |
| Accurate 4064 | <<locked>> | 94% | 57,653 psi | 89% | 2740 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 53,722 psi | 83% | 2772 fps | 99.6% |
| Accurate LT-30 | <<locked>> | 82% | 58,363 psi | 90% | 2615 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 58,813 psi | 90% | 2641 fps | 100% |
| ADI AR 2206H | <<locked>> | 88% | 55,463 psi | 85% | 2733 fps | 100% |
| ADI AR 2208 | <<locked>> | 94% | 56,405 psi | 87% | 2730 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 88% | 58,102 psi | 89% | 2733 fps | 100% |
| Alliant AR-Comp | <<locked>> | 88% | 58,711 psi | 90% | 2697 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 56,434 psi | 87% | 2789 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 54,926 psi | 85% | 2844 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 56,173 psi | 86% | 2749 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 82% | 55,709 psi | 86% | 2628 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 56,768 psi | 87% | 2772 fps | 100% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 52,272 psi | 80% | 2782 fps | 99.7% |
| Alliant Reloder-17 | <<locked>> | 98% | 56,942 psi | 88% | 2871 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 36,796 psi | 57% | 2520 fps | 98.4% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 40,959 psi | 63% | 2667 fps | 97.5% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 57,885 psi | 89% | 2615 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 55,027 psi | 85% | 2746 fps | 99.8% |
| Bofors RP3 | <<locked>> | 94% | 56,521 psi | 87% | 2762 fps | 100% |
| Bofors RP7 | <<locked>> | 98% | 56,956 psi | 88% | 2736 fps | 97.7% |
| Hodgdon Benchmark | <<locked>> | 86% | 56,376 psi | 87% | 2667 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 57,276 psi | 88% | 2762 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 55,767 psi | 86% | 2812 fps | 99.9% |
| Hodgdon H322 | <<locked>> | 84% | 58,697 psi | 90% | 2720 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 56,028 psi | 86% | 2700 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 57,885 psi | 89% | 2779 fps | 99.7% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 57,203 psi | 88% | 2828 fps | 98.5% |
| Hodgdon H4350 | <<locked>> | 98% | 58,131 psi | 89% | 2792 fps | 97.4% |
| Hodgdon H4895 | <<locked>> | 88% | 55,999 psi | 86% | 2743 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 48,283 psi | 74% | 2661 fps | 99.9% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 55,303 psi | 85% | 2776 fps | 100% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 58,610 psi | 90% | 2874 fps | 98.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,230 psi | 54% | 1634 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 57,232 psi | 88% | 2743 fps | 100% |
| IMR 3031 | <<locked>> | 88% | 55,825 psi | 86% | 2720 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 55,898 psi | 86% | 2713 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 90% | 56,115 psi | 86% | 2697 fps | 98.1% |
| IMR 4198 | <<locked>> | 82% | 56,217 psi | 86% | 2592 fps | 100% |
| IMR 4350ᴾ | <<locked>> | 100% | 53,505 psi | 82% | 2707 fps | 97.2% |
| IMR 4451 Enduron | <<locked>> | 96% | 55,477 psi | 85% | 2717 fps | 97.9% |
| IMR 4831ᴾ | <<locked>> | 100% | 51,097 psi | 79% | 2717 fps | 99.4% |
| IMR 4895 | <<locked>> | 92% | 58,218 psi | 90% | 2802 fps | 100% |
| IMR 8208 XBR | <<locked>> | 88% | 58,102 psi | 89% | 2733 fps | 100% |
| Lovex D073.5 | <<locked>> | 84% | 58,334 psi | 90% | 2717 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 58,465 psi | 90% | 2749 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 58,537 psi | 90% | 2707 fps | 100% |
| Lovex S062 | <<locked>> | 92% | 55,419 psi | 85% | 2707 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 57,943 psi | 89% | 2756 fps | 99.3% |
| Lovex S070ᴾ | <<locked>> | 100% | 55,259 psi | 85% | 2740 fps | 98.2% |
| Norma 201 | <<locked>> | 90% | 57,421 psi | 88% | 2723 fps | 100% |
| Norma 202 | <<locked>> | 90% | 58,189 psi | 90% | 2723 fps | 100% |
| Norma 203B | <<locked>> | 92% | 55,869 psi | 86% | 2759 fps | 100% |
| Norma 204ᴾ | <<locked>> | 100% | 54,273 psi | 83% | 2759 fps | 96% |
| Norma URPᴾ | <<locked>> | 100% | 53,069 psi | 82% | 2762 fps | 99.5% |
| Ramshot Big Game | <<locked>> | 92% | 56,652 psi | 87% | 2785 fps | 100% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 52,069 psi | 80% | 2762 fps | 98.4% |
| Ramshot TAC | <<locked>> | 88% | 58,610 psi | 90% | 2759 fps | 99.4% |
| Ramshot Wild Boar | <<locked>> | 88% | 58,073 psi | 89% | 2772 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 84% | 55,405 psi | 85% | 2687 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,694 psi | 55% | 1677 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 57,435 psi | 88% | 2710 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 58,363 psi | 90% | 2762 fps | 98.9% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 57,290 psi | 88% | 2835 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 56,710 psi | 87% | 2867 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 53,766 psi | 83% | 2802 fps | 99.5% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 53,635 psi | 83% | 2825 fps | 99.4% |
| Rottweil R 901 | <<locked>> | 88% | 58,247 psi | 90% | 2700 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 57,653 psi | 89% | 2717 fps | 100% |
| Rottweil R 903 | <<locked>> | 96% | 56,376 psi | 87% | 2753 fps | 100% |
| Rottweil R 907 | <<locked>> | 98% | 56,956 psi | 88% | 2736 fps | 97.7% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 57,943 psi | 89% | 2756 fps | 99.3% |
| Shooters World Match Rifle | <<locked>> | 90% | 58,465 psi | 90% | 2749 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 55,419 psi | 85% | 2707 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 55,259 psi | 85% | 2740 fps | 98.2% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 57,246 psi | 88% | 2687 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 58,682 psi | 90% | 2818 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 56,869 psi | 87% | 2651 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 56,797 psi | 87% | 2733 fps | 99.5% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 57,174 psi | 88% | 2753 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 55,622 psi | 86% | 2618 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 55,985 psi | 86% | 2618 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 54,897 psi | 84% | 2664 fps | 97.9% |
| Somchem S321 | <<locked>> | 84% | 55,579 psi | 86% | 2717 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 58,407 psi | 90% | 2661 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 56,188 psi | 86% | 2723 fps | 100% |
| Somchem S355 | <<locked>> | 96% | 56,768 psi | 87% | 2753 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 47,398 psi | 73% | 2713 fps | 100% |
| Vihtavuori N130 | <<locked>> | 84% | 55,506 psi | 85% | 2582 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 55,869 psi | 86% | 2602 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 57,580 psi | 89% | 2680 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 54,998 psi | 85% | 2657 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 58,508 psi | 90% | 2730 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 55,782 psi | 86% | 2759 fps | 99.7% |
| Vihtavuori N530 | <<locked>> | 88% | 58,697 psi | 90% | 2733 fps | 100% |
| Vihtavuori N540 | <<locked>> | 92% | 56,840 psi | 87% | 2703 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 54,868 psi | 84% | 2769 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 39,827 psi | 61% | 2592 fps | 98.3% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 56,724 psi | 87% | 2746 fps | 100% |
| Winchester 748 | <<locked>> | 88% | 58,624 psi | 90% | 2779 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 57,537 psi | 89% | 2831 fps | 98.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 32,793 psi | 50% | 2510 fps | 97.9% |
| Winchester StaBALL Match | <<locked>> | 90% | 57,392 psi | 88% | 2762 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% | 46,354 psi | 71% | 2497 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 50,879 psi | 78% | 2608 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,580 psi | 59% | 2418 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 46,021 psi | 71% | 2569 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 47,311 psi | 73% | 2549 fps | 95.6% |
| Accurate 4064 | <<locked>> | 80% | 36,550 psi | 56% | 2411 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 32,779 psi | 50% | 2395 fps | 95.3% |
| Accurate LT-30 | <<locked>> | 80% | 54,839 psi | 84% | 2569 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 55,288 psi | 85% | 2595 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 42,815 psi | 66% | 2530 fps | 99.1% |
| ADI AR 2208 | <<locked>> | 80% | 36,463 psi | 56% | 2385 fps | 97.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 44,933 psi | 69% | 2536 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 80% | 44,933 psi | 69% | 2523 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 52,620 psi | 81% | 2733 fps | 100% |
| Alliant Power Pro 2000-MR | 48.3 gr | 80% | 38,885 psi | 60% | 2556 fps | 97.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,882 psi | 55% | 2408 fps | 98.4% |
| Alliant Reloder-10x | <<locked>> | 80% | 52,576 psi | 81% | 2589 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 38,522 psi | 59% | 2464 fps | 97.8% |
| Alliant Reloder-16 | <<locked>> | 86% | 33,576 psi | 52% | 2411 fps | 95.5% |
| Alliant Reloder-17 | 47.5 gr | 80% | 30,763 psi | 47% | 2369 fps | 96.3% |
| Alliant Reloder-23 | <<locked>> | 92% | 28,761 psi | 44% | 2313 fps | 95% |
| Alliant Reloder-26 | <<locked>> | 96% | 35,578 psi | 55% | 2546 fps | 95.5% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 54,360 psi | 84% | 2572 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 42,105 psi | 65% | 2533 fps | 98.1% |
| Bofors RP3 | <<locked>> | 80% | 35,172 psi | 54% | 2405 fps | 98.4% |
| Bofors RP7 | <<locked>> | 90% | 44,135 psi | 68% | 2530 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 46,731 psi | 72% | 2526 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 43,613 psi | 67% | 2559 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 48,225 psi | 74% | 2697 fps | 99.5% |
| Hodgdon H322 | <<locked>> | 80% | 51,677 psi | 80% | 2628 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 52,373 psi | 81% | 2651 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 36,230 psi | 56% | 2408 fps | 95.9% |
| Hodgdon H414 | <<locked>> | 92% | 43,830 psi | 67% | 2615 fps | 95.8% |
| Hodgdon H4350 | <<locked>> | 92% | 48,037 psi | 74% | 2635 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 43,178 psi | 66% | 2539 fps | 99.4% |
| Hodgdon Hybrid 100V | <<locked>> | 84% | 28,703 psi | 44% | 2260 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 39,102 psi | 60% | 2510 fps | 99.2% |
| Hodgdon Superformance | <<locked>> | 92% | 43,830 psi | 67% | 2631 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,194 psi | 40% | 1460 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 41,655 psi | 64% | 2497 fps | 99.2% |
| IMR 3031 | <<locked>> | 80% | 42,844 psi | 66% | 2536 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 38,261 psi | 59% | 2418 fps | 97.8% |
| IMR 4166 Enduron | <<locked>> | 82% | 43,468 psi | 67% | 2490 fps | 95.5% |
| IMR 4198 | <<locked>> | 80% | 52,721 psi | 81% | 2546 fps | 100% |
| IMR 4350 | <<locked>> | 94% | 44,440 psi | 68% | 2559 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 88% | 43,482 psi | 67% | 2520 fps | 95.4% |
| IMR 4831 | <<locked>> | 86% | 31,995 psi | 49% | 2356 fps | 95% |
| IMR 4895 | <<locked>> | 80% | 39,450 psi | 61% | 2493 fps | 98.5% |
| IMR 8208 XBR | <<locked>> | 80% | 44,933 psi | 69% | 2536 fps | 99.8% |
| Lovex D073.5 | <<locked>> | 80% | 50,633 psi | 78% | 2615 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 41,684 psi | 64% | 2510 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 43,149 psi | 66% | 2470 fps | 99.1% |
| Lovex S062 | <<locked>> | 80% | 38,014 psi | 58% | 2421 fps | 99.1% |
| Lovex S065 | <<locked>> | 86% | 37,623 psi | 58% | 2415 fps | 95.3% |
| Lovex S070 | <<locked>> | 92% | 43,062 psi | 66% | 2543 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 41,742 psi | 64% | 2480 fps | 99.6% |
| Norma 202 | <<locked>> | 80% | 42,264 psi | 65% | 2493 fps | 100% |
| Norma 203B | <<locked>> | 80% | 37,898 psi | 58% | 2454 fps | 98.2% |
| Norma 204 | <<locked>> | 98% | 50,589 psi | 78% | 2700 fps | 95.2% |
| Norma URP | <<locked>> | 86% | 33,518 psi | 52% | 2402 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 37,507 psi | 58% | 2467 fps | 97.9% |
| Ramshot Hunter | <<locked>> | 92% | 39,943 psi | 61% | 2543 fps | 95.5% |
| Ramshot TAC | <<locked>> | 80% | 44,962 psi | 69% | 2546 fps | 97.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 44,237 psi | 68% | 2562 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 80% | 48,660 psi | 75% | 2589 fps | 99.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,484 psi | 41% | 1496 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 50,473 psi | 78% | 2615 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 82% | 39,262 psi | 60% | 2448 fps | 95% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 40,451 psi | 62% | 2562 fps | 98.3% |
| ReloadSwiss RS 60 | 47.5 gr | 80% | 32,793 psi | 50% | 2431 fps | 99.2% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 35,085 psi | 54% | 2464 fps | 95.7% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 38,072 psi | 59% | 2533 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 45,716 psi | 70% | 2523 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,784 psi | 61% | 2438 fps | 99.4% |
| Rottweil R 903 | <<locked>> | 80% | 33,025 psi | 51% | 2349 fps | 97.5% |
| Rottweil R 907 | <<locked>> | 90% | 44,135 psi | 68% | 2530 fps | 95% |
| Shooters World Long Rifle | <<locked>> | 86% | 37,623 psi | 58% | 2415 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 41,684 psi | 64% | 2510 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 38,014 psi | 58% | 2421 fps | 99.1% |
| Shooters World SW4350 | <<locked>> | 92% | 43,062 psi | 66% | 2543 fps | 95.7% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 53,461 psi | 82% | 2638 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 34,272 psi | 53% | 2402 fps | 97.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 53,635 psi | 83% | 2612 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 42,902 psi | 66% | 2516 fps | 97.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 41,394 psi | 64% | 2500 fps | 98.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 43,526 psi | 67% | 2444 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,056 psi | 55% | 2316 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 42,163 psi | 65% | 2461 fps | 95.2% |
| Somchem S321 | <<locked>> | 80% | 48,631 psi | 75% | 2615 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 42,830 psi | 66% | 2441 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 42,859 psi | 66% | 2516 fps | 99% |
| Somchem S355 | <<locked>> | 80% | 34,040 psi | 52% | 2359 fps | 97.6% |
| Somchem S365 | <<locked>> | 82% | 26,150 psi | 40% | 2244 fps | 95.7% |
| Vihtavuori N130 | <<locked>> | 80% | 49,269 psi | 76% | 2500 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 43,918 psi | 68% | 2438 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 39,320 psi | 60% | 2425 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 39,885 psi | 61% | 2431 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 32,343 psi | 50% | 2300 fps | 98.3% |
| Vihtavuori N160 | <<locked>> | 84% | 32,880 psi | 51% | 2352 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 44,991 psi | 69% | 2533 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 80% | 38,392 psi | 59% | 2421 fps | 100% |
| Vihtavuori N550 | <<locked>> | 86% | 34,476 psi | 53% | 2405 fps | 95.5% |
| Vihtavuori N555 | <<locked>> | 92% | 30,603 psi | 47% | 2385 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 28,863 psi | 44% | 2231 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 44,454 psi | 68% | 2575 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 41,118 psi | 63% | 2562 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 96% | 28,819 psi | 44% | 2385 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 40,799 psi | 63% | 2503 fps | 99.1% |
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 108 powders for .300 Rem. SA Ultra Mag. loaded with the .308 | 180gr | Fox Classic Hunter. Hodgdon Superformance delivers the highest muzzle velocity at 2,874 fps; across all powders the maximum-charge window runs from 1,634 fps to 2,874 fps. Accurate 4350 gives the best case fill at 100 %, and 108 of the 108 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 50–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.308" calls for a 1:10.5 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, Alliant Reloder-17 rank at the top here: for .300 Rem. SA Ultra Mag. with the .308 | 180gr | Fox Classic Hunter 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.