Load Specifications
Bullet Manufacturer:Nosler
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 | Nosler CT FailSafe bullet and 105 powders. The key underlying parameters are shown in the table above.
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.
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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% | 58,508 psi | 90% | 2779 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 56,927 psi | 88% | 2805 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 56,463 psi | 87% | 2799 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 55,071 psi | 85% | 2818 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 56,434 psi | 87% | 2795 fps | 96.5% |
| Accurate 4064 | <<locked>> | 94% | 56,434 psi | 87% | 2844 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 52,127 psi | 80% | 2864 fps | 99% |
| Accurate LT-30 | <<locked>> | 82% | 57,305 psi | 88% | 2720 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 57,740 psi | 89% | 2746 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 57,290 psi | 88% | 2877 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 96% | 58,421 psi | 90% | 2874 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 88% | 56,579 psi | 87% | 2831 fps | 100% |
| Alliant AR-Comp | <<locked>> | 88% | 56,971 psi | 88% | 2805 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 58,581 psi | 90% | 2940 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 57,232 psi | 88% | 2999 fps | 99.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 58,073 psi | 89% | 2897 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 84% | 57,914 psi | 89% | 2779 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 58,682 psi | 90% | 2917 fps | 99.9% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 50,662 psi | 78% | 2867 fps | 99.1% |
| Alliant Reloder-17 | <<locked>> | 98% | 55,085 psi | 85% | 2963 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 36,056 psi | 55% | 2598 fps | 97.2% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 56,507 psi | 87% | 2717 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 57,319 psi | 88% | 2894 fps | 99.6% |
| Bofors RP3 | <<locked>> | 94% | 54,984 psi | 85% | 2861 fps | 100% |
| Bofors RP7 | <<locked>> | 98% | 55,477 psi | 85% | 2825 fps | 96.6% |
| Hodgdon Benchmark | <<locked>> | 88% | 58,421 psi | 90% | 2815 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 55,738 psi | 86% | 2861 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 57,827 psi | 89% | 2959 fps | 99.8% |
| Hodgdon H322 | <<locked>> | 84% | 57,246 psi | 88% | 2825 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 58,508 psi | 90% | 2854 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 56,246 psi | 87% | 2871 fps | 99.1% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 55,317 psi | 85% | 2913 fps | 97.4% |
| Hodgdon H4350 | <<locked>> | 98% | 56,521 psi | 87% | 2877 fps | 96.2% |
| Hodgdon H4895 | <<locked>> | 90% | 57,899 psi | 89% | 2887 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 46,717 psi | 72% | 2746 fps | 99.4% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 57,276 psi | 88% | 2923 fps | 100% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 56,768 psi | 87% | 2953 fps | 97.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,201 psi | 54% | 1713 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 55,869 psi | 86% | 2841 fps | 100% |
| IMR 3031 | <<locked>> | 90% | 57,769 psi | 89% | 2871 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 57,696 psi | 89% | 2854 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 92% | 58,218 psi | 90% | 2838 fps | 97.7% |
| IMR 4198 | <<locked>> | 84% | 57,827 psi | 89% | 2736 fps | 100% |
| IMR 4350ᴾ | <<locked>> | 100% | 52,083 psi | 80% | 2795 fps | 96% |
| IMR 4451 Enduron | <<locked>> | 98% | 57,580 psi | 89% | 2858 fps | 97.5% |
| IMR 4831ᴾ | <<locked>> | 100% | 49,342 psi | 76% | 2802 fps | 98.7% |
| IMR 4895 | <<locked>> | 92% | 56,739 psi | 87% | 2900 fps | 99.9% |
| IMR 8208 XBR | <<locked>> | 88% | 56,579 psi | 87% | 2831 fps | 100% |
| Lovex D073.5 | <<locked>> | 84% | 56,884 psi | 88% | 2818 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 56,971 psi | 88% | 2854 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 57,101 psi | 88% | 2805 fps | 99.9% |
| Lovex S062 | <<locked>> | 94% | 57,566 psi | 89% | 2854 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 56,666 psi | 87% | 2851 fps | 98.6% |
| Lovex S070ᴾ | <<locked>> | 100% | 53,925 psi | 83% | 2828 fps | 97.2% |
| Norma 201 | <<locked>> | 90% | 56,057 psi | 86% | 2822 fps | 100% |
| Norma 202 | <<locked>> | 90% | 56,637 psi | 87% | 2828 fps | 100% |
| Norma 203B | <<locked>> | 94% | 57,827 psi | 89% | 2904 fps | 99.9% |
| Norma URPᴾ | <<locked>> | 100% | 51,517 psi | 79% | 2854 fps | 98.9% |
| Ramshot Big Game | <<locked>> | 94% | 58,798 psi | 90% | 2933 fps | 99.9% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 50,502 psi | 78% | 2844 fps | 97.3% |
| Ramshot TAC | <<locked>> | 88% | 57,145 psi | 88% | 2851 fps | 98.8% |
| Ramshot Wild Boar | <<locked>> | 88% | 56,507 psi | 87% | 2867 fps | 99.9% |
| Ramshot X-Terminator | <<locked>> | 86% | 57,812 psi | 89% | 2835 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,665 psi | 55% | 1755 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 56,057 psi | 86% | 2812 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 56,710 psi | 87% | 2851 fps | 98% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 55,477 psi | 85% | 2933 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 58,784 psi | 90% | 3018 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 51,793 psi | 80% | 2887 fps | 98.8% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 52,156 psi | 80% | 2910 fps | 98.5% |
| Rottweil R 901 | <<locked>> | 88% | 57,014 psi | 88% | 2805 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 56,594 psi | 87% | 2822 fps | 100% |
| Rottweil R 903 | <<locked>> | 98% | 58,363 psi | 90% | 2897 fps | 100% |
| Rottweil R 907 | <<locked>> | 98% | 55,477 psi | 85% | 2825 fps | 96.6% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 56,666 psi | 87% | 2851 fps | 98.6% |
| Shooters World Match Rifle | <<locked>> | 90% | 56,971 psi | 88% | 2854 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 57,566 psi | 89% | 2854 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 53,925 psi | 83% | 2828 fps | 97.2% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 55,825 psi | 86% | 2785 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 56,681 psi | 87% | 2910 fps | 99.9% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 55,434 psi | 85% | 2759 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 55,317 psi | 85% | 2825 fps | 98.9% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 55,709 psi | 86% | 2848 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 57,928 psi | 89% | 2762 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 57,899 psi | 89% | 2759 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 57,217 psi | 88% | 2802 fps | 97.4% |
| Somchem S321 | <<locked>> | 86% | 57,957 psi | 89% | 2867 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 57,058 psi | 88% | 2759 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 58,610 psi | 90% | 2871 fps | 99.9% |
| Somchem S355 | <<locked>> | 98% | 58,711 psi | 90% | 2897 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 45,963 psi | 71% | 2802 fps | 99.9% |
| Vihtavuori N130 | <<locked>> | 86% | 57,653 psi | 89% | 2726 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 57,972 psi | 89% | 2746 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 56,014 psi | 86% | 2785 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 57,058 psi | 88% | 2802 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 56,768 psi | 87% | 2828 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 54,099 psi | 83% | 2851 fps | 99.1% |
| Vihtavuori N530 | <<locked>> | 88% | 57,087 psi | 88% | 2831 fps | 100% |
| Vihtavuori N540 | <<locked>> | 94% | 58,740 psi | 90% | 2848 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 53,243 psi | 82% | 2858 fps | 98.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 38,725 psi | 60% | 2674 fps | 97.1% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 54,897 psi | 84% | 2835 fps | 100% |
| Winchester 748 | <<locked>> | 88% | 56,971 psi | 88% | 2881 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 55,637 psi | 86% | 2920 fps | 97.5% |
| Winchester StaBALL Match | <<locked>> | 90% | 55,767 psi | 86% | 2858 fps | 100% |
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 45,542 psi | 70% | 2595 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 49,922 psi | 77% | 2707 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,145 psi | 59% | 2516 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 45,049 psi | 69% | 2667 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 49,545 psi | 76% | 2687 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 36,085 psi | 56% | 2503 fps | 99.8% |
| Accurate 4350 | <<locked>> | 90% | 36,738 psi | 57% | 2582 fps | 95.7% |
| Accurate LT-30 | <<locked>> | 80% | 53,679 psi | 83% | 2671 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 54,085 psi | 83% | 2697 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 41,858 psi | 64% | 2615 fps | 98.3% |
| ADI AR 2208 | <<locked>> | 80% | 35,766 psi | 55% | 2467 fps | 95.9% |
| ADI Benchmark 8208 | <<locked>> | 80% | 43,874 psi | 67% | 2628 fps | 99.4% |
| Alliant AR-Comp | <<locked>> | 80% | 43,685 psi | 67% | 2621 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 51,140 psi | 79% | 2828 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 38,014 psi | 58% | 2635 fps | 96.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,099 psi | 54% | 2490 fps | 97.5% |
| Alliant Reloder-10x | <<locked>> | 80% | 51,256 psi | 79% | 2690 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 37,681 psi | 58% | 2549 fps | 96.7% |
| Alliant Reloder-16 | <<locked>> | 90% | 37,318 psi | 57% | 2595 fps | 95.9% |
| Alliant Reloder-17 | <<locked>> | 82% | 32,300 psi | 50% | 2500 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 96% | 31,908 psi | 49% | 2490 fps | 95.4% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 53,098 psi | 82% | 2671 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 41,046 psi | 63% | 2618 fps | 97.1% |
| Bofors RP3 | <<locked>> | 80% | 34,635 psi | 53% | 2490 fps | 97.5% |
| Bofors RP7 | <<locked>> | 94% | 48,936 psi | 75% | 2717 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 45,788 psi | 70% | 2618 fps | 99.8% |
| Hodgdon BL-C2 | <<locked>> | 80% | 42,612 psi | 66% | 2648 fps | 99.6% |
| Hodgdon CFE223 | <<locked>> | 80% | 46,717 psi | 72% | 2782 fps | 98.8% |
| Hodgdon H322 | <<locked>> | 80% | 50,299 psi | 77% | 2726 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 51,111 psi | 79% | 2753 fps | 100% |
| Hodgdon H380 | <<locked>> | 82% | 37,898 psi | 58% | 2543 fps | 95.4% |
| Hodgdon H414 | <<locked>> | 94% | 45,527 psi | 70% | 2746 fps | 95.2% |
| Hodgdon H4350 | <<locked>> | 96% | 52,953 psi | 81% | 2825 fps | 95.4% |
| Hodgdon H4895 | <<locked>> | 80% | 42,192 psi | 65% | 2628 fps | 98.8% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 32,024 psi | 49% | 2438 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 38,130 psi | 59% | 2595 fps | 98.4% |
| Hodgdon Superformance | <<locked>> | 96% | 49,052 psi | 75% | 2828 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,179 psi | 40% | 1529 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,640 psi | 63% | 2582 fps | 98.4% |
| IMR 3031 | <<locked>> | 80% | 41,698 psi | 64% | 2631 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,463 psi | 58% | 2500 fps | 96.7% |
| IMR 4166 Enduron | <<locked>> | 86% | 48,327 psi | 74% | 2680 fps | 95.7% |
| IMR 4198 | <<locked>> | 80% | 51,692 psi | 80% | 2654 fps | 100% |
| IMR 4350 | <<locked>> | 98% | 48,805 psi | 75% | 2740 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 92% | 48,022 psi | 74% | 2703 fps | 95.5% |
| IMR 4831 | <<locked>> | 90% | 35,665 psi | 55% | 2539 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 38,566 psi | 59% | 2579 fps | 97.6% |
| IMR 8208 XBR | <<locked>> | 80% | 43,874 psi | 67% | 2628 fps | 99.4% |
| Lovex D073.5 | <<locked>> | 80% | 49,588 psi | 76% | 2713 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 40,872 psi | 63% | 2602 fps | 99.8% |
| Lovex S060 | <<locked>> | 80% | 42,308 psi | 65% | 2559 fps | 98.4% |
| Lovex S062 | <<locked>> | 80% | 37,304 psi | 57% | 2507 fps | 98.4% |
| Lovex S065 | <<locked>> | 90% | 41,684 psi | 64% | 2595 fps | 95.6% |
| Lovex S070 | <<locked>> | 94% | 44,846 psi | 69% | 2677 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 41,060 psi | 63% | 2572 fps | 99.1% |
| Norma 202 | <<locked>> | 80% | 41,350 psi | 64% | 2585 fps | 100% |
| Norma 203B | <<locked>> | 80% | 37,057 psi | 57% | 2536 fps | 97.2% |
| Norma URP | <<locked>> | 90% | 37,318 psi | 57% | 2585 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 36,608 psi | 56% | 2549 fps | 96.8% |
| Ramshot Hunter | <<locked>> | 96% | 44,338 psi | 68% | 2733 fps | 95.8% |
| Ramshot TAC | <<locked>> | 80% | 43,961 psi | 68% | 2628 fps | 96.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,207 psi | 66% | 2648 fps | 98.5% |
| Ramshot X-Terminator | <<locked>> | 80% | 47,630 psi | 73% | 2677 fps | 99.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,469 psi | 41% | 1568 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 49,472 psi | 76% | 2713 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 43,816 psi | 67% | 2635 fps | 95.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 39,349 psi | 61% | 2648 fps | 97.2% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 32,198 psi | 50% | 2510 fps | 98.2% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 36,637 psi | 56% | 2598 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 39,885 psi | 61% | 2667 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 44,918 psi | 69% | 2618 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,204 psi | 60% | 2526 fps | 98.7% |
| Rottweil R 903 | <<locked>> | 80% | 32,445 psi | 50% | 2431 fps | 96.4% |
| Rottweil R 907 | <<locked>> | 94% | 48,936 psi | 75% | 2717 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 90% | 41,684 psi | 64% | 2595 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 40,872 psi | 63% | 2602 fps | 99.8% |
| Shooters World Precision | <<locked>> | 80% | 37,304 psi | 57% | 2507 fps | 98.4% |
| Shooters World SW4350 | <<locked>> | 94% | 44,846 psi | 69% | 2677 fps | 95.2% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 52,214 psi | 80% | 2733 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 33,576 psi | 52% | 2480 fps | 95.8% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 52,054 psi | 80% | 2710 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 41,989 psi | 65% | 2598 fps | 96.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,553 psi | 62% | 2589 fps | 98% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,525 psi | 65% | 2533 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,201 psi | 54% | 2398 fps | 99.9% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 47,065 psi | 72% | 2648 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 47,514 psi | 73% | 2707 fps | 99.8% |
| Somchem S335 | <<locked>> | 80% | 42,076 psi | 65% | 2533 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 41,843 psi | 64% | 2602 fps | 98.2% |
| Somchem S355 | <<locked>> | 80% | 33,431 psi | 51% | 2441 fps | 96.5% |
| Somchem S365 | <<locked>> | 84% | 27,528 psi | 42% | 2369 fps | 95.2% |
| Vihtavuori N130 | <<locked>> | 80% | 48,080 psi | 74% | 2598 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 42,772 psi | 66% | 2530 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,319 psi | 59% | 2513 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 38,986 psi | 60% | 2520 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 31,705 psi | 49% | 2379 fps | 97.4% |
| Vihtavuori N160 | <<locked>> | 88% | 36,637 psi | 56% | 2533 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 44,121 psi | 68% | 2628 fps | 99.5% |
| Vihtavuori N540 | <<locked>> | 80% | 37,710 psi | 58% | 2510 fps | 99.7% |
| Vihtavuori N550 | <<locked>> | 90% | 38,406 psi | 59% | 2589 fps | 95.8% |
| Vihtavuori N555 | <<locked>> | 96% | 33,982 psi | 52% | 2562 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 30,284 psi | 47% | 2352 fps | 95% |
| Winchester 748 | <<locked>> | 80% | 43,352 psi | 67% | 2667 fps | 99.8% |
| Winchester 760 | <<locked>> | 94% | 45,527 psi | 70% | 2746 fps | 95.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 39,871 psi | 61% | 2589 fps | 98.4% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 105 powders for .300 Rem. SA Ultra Mag. loaded with the .308 | 165gr | Nosler CT FailSafe. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,018 fps; across all powders the maximum-charge window runs from 1,713 fps to 3,018 fps. Accurate 4350 gives the best case fill at 100 %, and 105 of the 105 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. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.