Load Specifications
Bullet Manufacturer:Barnes
Bullet Weight:165 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:1:11.0
Load data in caliber .300 Rem. SA Ultra Mag. with .308 | 165gr | Barnes BND SPIT-FIRE bullet and 106 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% | 58,552 psi | 90% | 2782 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 57,290 psi | 88% | 2812 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 56,840 psi | 87% | 2805 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 55,419 psi | 85% | 2825 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 56,695 psi | 87% | 2802 fps | 96.6% |
| Accurate 4064 | <<locked>> | 94% | 56,782 psi | 87% | 2851 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 52,417 psi | 81% | 2871 fps | 99.1% |
| Accurate LT-30 | <<locked>> | 82% | 57,363 psi | 88% | 2723 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 57,827 psi | 89% | 2753 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 57,624 psi | 89% | 2884 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 96% | 58,697 psi | 90% | 2881 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 88% | 56,913 psi | 88% | 2838 fps | 100% |
| Alliant AR-Comp | <<locked>> | 88% | 57,377 psi | 88% | 2812 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 58,653 psi | 90% | 2946 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 57,493 psi | 88% | 3005 fps | 99.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 58,363 psi | 90% | 2904 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 84% | 58,334 psi | 90% | 2785 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 55,651 psi | 86% | 2877 fps | 99.7% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 50,894 psi | 78% | 2874 fps | 99.2% |
| Alliant Reloder-17 | <<locked>> | 98% | 55,637 psi | 86% | 2972 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 36,289 psi | 56% | 2605 fps | 97.3% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 40,074 psi | 62% | 2746 fps | 96% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 56,753 psi | 87% | 2720 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 57,638 psi | 89% | 2900 fps | 99.6% |
| Bofors RP3 | <<locked>> | 94% | 55,317 psi | 85% | 2867 fps | 100% |
| Bofors RP7 | <<locked>> | 98% | 55,709 psi | 86% | 2831 fps | 96.7% |
| Hodgdon Benchmark | <<locked>> | 88% | 58,755 psi | 90% | 2818 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 56,043 psi | 86% | 2867 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 58,146 psi | 89% | 2969 fps | 99.9% |
| Hodgdon H322 | <<locked>> | 84% | 57,653 psi | 89% | 2831 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 54,868 psi | 84% | 2808 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 56,594 psi | 87% | 2881 fps | 99.2% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 55,883 psi | 86% | 2923 fps | 97.5% |
| Hodgdon H4350 | <<locked>> | 98% | 56,811 psi | 87% | 2887 fps | 96.3% |
| Hodgdon H4895 | <<locked>> | 90% | 58,160 psi | 89% | 2894 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 46,992 psi | 72% | 2753 fps | 99.5% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 57,551 psi | 89% | 2927 fps | 100% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 57,217 psi | 88% | 2963 fps | 97.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,201 psi | 54% | 1716 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 56,188 psi | 86% | 2848 fps | 100% |
| IMR 3031 | <<locked>> | 90% | 58,146 psi | 89% | 2877 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 58,015 psi | 89% | 2861 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 92% | 58,479 psi | 90% | 2844 fps | 97.7% |
| IMR 4198 | <<locked>> | 84% | 58,276 psi | 90% | 2743 fps | 100% |
| IMR 4350ᴾ | <<locked>> | 100% | 52,315 psi | 80% | 2799 fps | 96.1% |
| IMR 4451 Enduron | <<locked>> | 98% | 57,841 psi | 89% | 2864 fps | 97.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 49,893 psi | 77% | 2812 fps | 98.8% |
| IMR 4895 | <<locked>> | 92% | 57,058 psi | 88% | 2907 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 88% | 56,913 psi | 88% | 2838 fps | 100% |
| Lovex D073.5 | <<locked>> | 84% | 57,174 psi | 88% | 2825 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 57,334 psi | 88% | 2861 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 57,421 psi | 88% | 2812 fps | 99.9% |
| Lovex S062 | <<locked>> | 94% | 57,885 psi | 89% | 2861 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 56,884 psi | 88% | 2858 fps | 98.6% |
| Lovex S070ᴾ | <<locked>> | 100% | 54,186 psi | 83% | 2838 fps | 97.3% |
| Norma 201 | <<locked>> | 90% | 56,405 psi | 87% | 2831 fps | 100% |
| Norma 202 | <<locked>> | 90% | 56,956 psi | 88% | 2835 fps | 100% |
| Norma 203B | <<locked>> | 94% | 58,450 psi | 90% | 2913 fps | 100% |
| Norma URPᴾ | <<locked>> | 100% | 51,793 psi | 80% | 2861 fps | 99% |
| Ramshot Big Game | <<locked>> | 92% | 55,317 psi | 85% | 2887 fps | 99.8% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 50,734 psi | 78% | 2851 fps | 97.4% |
| Ramshot TAC | <<locked>> | 88% | 57,392 psi | 88% | 2858 fps | 98.8% |
| Ramshot Wild Boar | <<locked>> | 88% | 56,826 psi | 87% | 2874 fps | 99.9% |
| Ramshot X-Terminator | <<locked>> | 86% | 58,088 psi | 89% | 2841 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,665 psi | 55% | 1759 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 56,420 psi | 87% | 2818 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 57,014 psi | 88% | 2861 fps | 98.1% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 55,840 psi | 86% | 2940 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 55,201 psi | 85% | 2972 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 52,025 psi | 80% | 2894 fps | 98.9% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 52,359 psi | 81% | 2917 fps | 98.6% |
| Rottweil R 901 | <<locked>> | 88% | 57,348 psi | 88% | 2812 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 56,884 psi | 88% | 2828 fps | 100% |
| Rottweil R 903 | <<locked>> | 96% | 55,172 psi | 85% | 2858 fps | 100% |
| Rottweil R 907 | <<locked>> | 98% | 55,709 psi | 86% | 2831 fps | 96.7% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 56,884 psi | 88% | 2858 fps | 98.6% |
| Shooters World Match Rifle | <<locked>> | 90% | 57,334 psi | 88% | 2861 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 57,885 psi | 89% | 2861 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 54,186 psi | 83% | 2838 fps | 97.3% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 56,159 psi | 86% | 2792 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 56,956 psi | 88% | 2920 fps | 99.9% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 55,840 psi | 86% | 2766 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 55,622 psi | 86% | 2835 fps | 99% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 55,985 psi | 86% | 2854 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 58,291 psi | 90% | 2772 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 58,218 psi | 90% | 2766 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 57,754 psi | 89% | 2812 fps | 97.6% |
| Somchem S321 | <<locked>> | 86% | 58,262 psi | 90% | 2874 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 57,392 psi | 88% | 2766 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 55,216 psi | 85% | 2828 fps | 99.8% |
| Somchem S355 | <<locked>> | 96% | 55,593 psi | 86% | 2854 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 46,253 psi | 71% | 2808 fps | 100% |
| Vihtavuori N130 | <<locked>> | 86% | 57,986 psi | 89% | 2733 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 58,349 psi | 90% | 2753 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 56,333 psi | 87% | 2792 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 57,377 psi | 88% | 2808 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 57,363 psi | 88% | 2838 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 54,360 psi | 84% | 2858 fps | 99.2% |
| Vihtavuori N530 | <<locked>> | 88% | 57,421 psi | 88% | 2838 fps | 100% |
| Vihtavuori N540 | <<locked>> | 92% | 55,666 psi | 86% | 2808 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 53,447 psi | 82% | 2864 fps | 99% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 38,972 psi | 60% | 2680 fps | 97.2% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 55,347 psi | 85% | 2844 fps | 100% |
| Winchester 748 | <<locked>> | 88% | 57,290 psi | 88% | 2887 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 55,883 psi | 86% | 2923 fps | 97.5% |
| Winchester StaBALL Match | <<locked>> | 90% | 56,043 psi | 86% | 2867 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% | 45,890 psi | 71% | 2605 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 49,995 psi | 77% | 2710 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,479 psi | 59% | 2526 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 45,107 psi | 69% | 2671 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 49,806 psi | 77% | 2694 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 36,405 psi | 56% | 2513 fps | 99.8% |
| Accurate 4350 | <<locked>> | 88% | 34,679 psi | 53% | 2536 fps | 95% |
| Accurate LT-30 | <<locked>> | 80% | 54,056 psi | 83% | 2680 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 54,462 psi | 84% | 2707 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 42,163 psi | 65% | 2625 fps | 98.4% |
| ADI AR 2208 | <<locked>> | 80% | 35,810 psi | 55% | 2474 fps | 96% |
| ADI Benchmark 8208 | <<locked>> | 80% | 44,208 psi | 68% | 2635 fps | 99.5% |
| Alliant AR-Comp | <<locked>> | 80% | 44,063 psi | 68% | 2628 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 51,517 psi | 79% | 2838 fps | 99.8% |
| Alliant Power Pro 2000-MR | 49.5 gr | 80% | 38,058 psi | 59% | 2638 fps | 96.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,418 psi | 54% | 2497 fps | 97.6% |
| Alliant Reloder-10x | <<locked>> | 80% | 51,692 psi | 80% | 2697 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 37,956 psi | 58% | 2556 fps | 96.9% |
| Alliant Reloder-16 | <<locked>> | 88% | 35,201 psi | 54% | 2546 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 82% | 32,518 psi | 50% | 2510 fps | 95.9% |
| Alliant Reloder-23 | <<locked>> | 96% | 32,082 psi | 49% | 2497 fps | 95.5% |
| Alliant Reloder-26 | <<locked>> | 98% | 37,507 psi | 58% | 2684 fps | 95% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 53,403 psi | 82% | 2677 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 41,350 psi | 64% | 2628 fps | 97.2% |
| Bofors RP3 | <<locked>> | 80% | 34,766 psi | 53% | 2497 fps | 97.5% |
| Bofors RP7 | <<locked>> | 94% | 49,197 psi | 76% | 2726 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 46,093 psi | 71% | 2628 fps | 99.8% |
| Hodgdon BL-C2 | <<locked>> | 80% | 42,656 psi | 66% | 2651 fps | 99.6% |
| Hodgdon CFE223 | <<locked>> | 80% | 46,992 psi | 72% | 2792 fps | 98.9% |
| Hodgdon H322 | <<locked>> | 80% | 50,676 psi | 78% | 2736 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 51,430 psi | 79% | 2759 fps | 100% |
| Hodgdon H380 | <<locked>> | 82% | 38,189 psi | 59% | 2552 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 94% | 45,759 psi | 70% | 2756 fps | 95.3% |
| Hodgdon H4350 | <<locked>> | 96% | 53,185 psi | 82% | 2831 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 42,496 psi | 65% | 2635 fps | 98.8% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 30,342 psi | 47% | 2395 fps | 95% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 38,450 psi | 59% | 2605 fps | 98.5% |
| Hodgdon Superformance | <<locked>> | 96% | 49,530 psi | 76% | 2838 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,223 psi | 40% | 1535 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,959 psi | 63% | 2589 fps | 98.5% |
| IMR 3031 | <<locked>> | 80% | 41,829 psi | 64% | 2635 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,565 psi | 58% | 2507 fps | 96.8% |
| IMR 4166 Enduron | <<locked>> | 84% | 45,556 psi | 70% | 2631 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 51,837 psi | 80% | 2657 fps | 100% |
| IMR 4350 | <<locked>> | 98% | 49,298 psi | 76% | 2749 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 92% | 48,080 psi | 74% | 2707 fps | 95.6% |
| IMR 4831 | <<locked>> | 90% | 35,940 psi | 55% | 2546 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 38,841 psi | 60% | 2589 fps | 97.7% |
| IMR 8208 XBR | <<locked>> | 80% | 44,208 psi | 68% | 2635 fps | 99.5% |
| Lovex D073.5 | <<locked>> | 80% | 49,937 psi | 77% | 2720 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 40,973 psi | 63% | 2605 fps | 99.8% |
| Lovex S060 | <<locked>> | 80% | 42,395 psi | 65% | 2562 fps | 98.4% |
| Lovex S062 | <<locked>> | 80% | 37,391 psi | 58% | 2513 fps | 98.4% |
| Lovex S065 | <<locked>> | 90% | 41,901 psi | 64% | 2602 fps | 95.7% |
| Lovex S070 | <<locked>> | 94% | 45,092 psi | 69% | 2684 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 41,350 psi | 64% | 2579 fps | 99.1% |
| Norma 202 | <<locked>> | 80% | 41,655 psi | 64% | 2592 fps | 100% |
| Norma 203B | <<locked>> | 80% | 37,362 psi | 57% | 2546 fps | 97.3% |
| Norma URP | <<locked>> | 90% | 37,594 psi | 58% | 2595 fps | 95.8% |
| Ramshot Big Game | <<locked>> | 80% | 36,695 psi | 56% | 2552 fps | 96.9% |
| Ramshot Hunter | <<locked>> | 94% | 41,785 psi | 64% | 2684 fps | 95.1% |
| Ramshot TAC | <<locked>> | 80% | 44,251 psi | 68% | 2638 fps | 96.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,453 psi | 67% | 2657 fps | 98.6% |
| Ramshot X-Terminator | <<locked>> | 80% | 47,659 psi | 73% | 2680 fps | 99.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,513 psi | 41% | 1572 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 49,545 psi | 76% | 2717 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 44,077 psi | 68% | 2644 fps | 95.4% |
| ReloadSwiss RS 52 | 48 gr | 80% | 39,436 psi | 61% | 2654 fps | 97.3% |
| ReloadSwiss RS 60 | 48.8 gr | 80% | 32,460 psi | 50% | 2520 fps | 98.4% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 36,898 psi | 57% | 2605 fps | 95.3% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 40,074 psi | 62% | 2674 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 45,339 psi | 70% | 2628 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,291 psi | 60% | 2530 fps | 98.8% |
| Rottweil R 903 | <<locked>> | 80% | 32,706 psi | 50% | 2441 fps | 96.6% |
| Rottweil R 907 | <<locked>> | 94% | 49,197 psi | 76% | 2726 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 90% | 41,901 psi | 64% | 2602 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 40,973 psi | 63% | 2605 fps | 99.8% |
| Shooters World Precision | <<locked>> | 80% | 37,391 psi | 58% | 2513 fps | 98.4% |
| Shooters World SW4350 | <<locked>> | 94% | 45,092 psi | 69% | 2684 fps | 95.3% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 52,243 psi | 80% | 2736 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 33,692 psi | 52% | 2487 fps | 95.9% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 52,504 psi | 81% | 2720 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 42,293 psi | 65% | 2608 fps | 96.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,625 psi | 63% | 2592 fps | 98% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,888 psi | 66% | 2539 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,491 psi | 55% | 2408 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 47,326 psi | 73% | 2654 fps | 95.6% |
| Somchem S321 | <<locked>> | 80% | 47,834 psi | 74% | 2717 fps | 99.9% |
| Somchem S335 | <<locked>> | 80% | 42,409 psi | 65% | 2543 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 42,090 psi | 65% | 2608 fps | 98.3% |
| Somchem S355 | <<locked>> | 80% | 33,692 psi | 52% | 2451 fps | 96.6% |
| Somchem S365 | <<locked>> | 84% | 27,717 psi | 43% | 2379 fps | 95.4% |
| Vihtavuori N130 | <<locked>> | 80% | 48,457 psi | 75% | 2605 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 43,120 psi | 66% | 2536 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,653 psi | 59% | 2523 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 39,291 psi | 60% | 2526 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,995 psi | 49% | 2388 fps | 97.5% |
| Vihtavuori N160 | <<locked>> | 88% | 36,898 psi | 57% | 2543 fps | 95.5% |
| Vihtavuori N530 | <<locked>> | 80% | 44,193 psi | 68% | 2631 fps | 99.5% |
| Vihtavuori N540 | <<locked>> | 80% | 37,797 psi | 58% | 2513 fps | 99.7% |
| Vihtavuori N550 | <<locked>> | 88% | 36,230 psi | 56% | 2546 fps | 95.1% |
| Vihtavuori N555 | <<locked>> | 96% | 34,214 psi | 53% | 2572 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 30,458 psi | 47% | 2362 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 43,671 psi | 67% | 2677 fps | 99.8% |
| Winchester 760 | <<locked>> | 94% | 45,759 psi | 70% | 2756 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 39,929 psi | 61% | 2595 fps | 98.4% |
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 106 powders for .300 Rem. SA Ultra Mag. loaded with the .308 | 165gr | Barnes BND SPIT-FIRE. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,005 fps; across all powders the maximum-charge window runs from 1,716 fps to 3,005 fps. Accurate 4350 gives the best case fill at 100 %, and 106 of the 106 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 165.0 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 | 165gr | Barnes BND SPIT-FIRE 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.