Load Specifications
Bullet:.308 | 154gr | Hammer HHT
Bullet Manufacturer:Hammer
Bullet Weight:154 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:1:11.5
Load data in caliber .300 Rem. SA Ultra Mag. with .308 | 154gr | Hammer HHT bullet and 104 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% | 55,738 psi | 86% | 2858 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 57,827 psi | 89% | 2933 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 56,753 psi | 87% | 2917 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 56,072 psi | 86% | 2946 fps | 100% |
| Accurate 2700 | <<locked>> | 94% | 57,595 psi | 89% | 2913 fps | 96.1% |
| Accurate 4064 | <<locked>> | 96% | 56,594 psi | 87% | 2963 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 49,008 psi | 75% | 2920 fps | 98.2% |
| Accurate LT-30 | <<locked>> | 84% | 58,610 psi | 90% | 2848 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 55,680 psi | 86% | 2828 fps | 100% |
| ADI AR 2206H | <<locked>> | 92% | 58,378 psi | 90% | 3005 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 96% | 55,854 psi | 86% | 2946 fps | 99.4% |
| ADI AR 2219 | <<locked>> | 82% | 56,318 psi | 87% | 2927 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 57,551 psi | 89% | 2956 fps | 100% |
| Alliant AR-Comp | <<locked>> | 90% | 57,943 psi | 89% | 2933 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 55,796 psi | 86% | 3018 fps | 99.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 58,218 psi | 90% | 3127 fps | 99.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 58,813 psi | 90% | 3018 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 84% | 55,347 psi | 85% | 2861 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 56,115 psi | 86% | 2989 fps | 99.5% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 48,182 psi | 74% | 2927 fps | 98.3% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 56,275 psi | 87% | 3091 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 58,131 psi | 89% | 2844 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 58,682 psi | 90% | 3025 fps | 99.5% |
| Bofors RP3 | <<locked>> | 96% | 55,724 psi | 86% | 2982 fps | 100% |
| Bofors RP7ᴾ | <<locked>> | 100% | 56,521 psi | 87% | 2943 fps | 96.3% |
| Hodgdon Benchmark | <<locked>> | 88% | 56,014 psi | 86% | 2890 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 90% | 56,739 psi | 87% | 2986 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 55,129 psi | 85% | 3035 fps | 99.5% |
| Hodgdon H322 | <<locked>> | 86% | 58,523 psi | 90% | 2956 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 56,014 psi | 86% | 2933 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 57,203 psi | 88% | 2992 fps | 98.9% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 52,547 psi | 81% | 2976 fps | 96.3% |
| Hodgdon H4895 | <<locked>> | 90% | 55,259 psi | 85% | 2963 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 44,208 psi | 68% | 2805 fps | 98.7% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 58,262 psi | 90% | 3048 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,621 psi | 53% | 1781 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 56,797 psi | 87% | 2966 fps | 99.9% |
| IMR 3031 | <<locked>> | 92% | 58,639 psi | 90% | 2999 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 55,448 psi | 85% | 2930 fps | 99.5% |
| IMR 4166 Enduron | <<locked>> | 92% | 55,811 psi | 86% | 2907 fps | 96.7% |
| IMR 4198 | <<locked>> | 84% | 55,825 psi | 86% | 2825 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 55,216 psi | 85% | 2927 fps | 96.5% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,673 psi | 72% | 2861 fps | 97.8% |
| IMR 4895 | <<locked>> | 94% | 57,537 psi | 89% | 3022 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 90% | 57,551 psi | 89% | 2956 fps | 100% |
| Lovex D073.5 | <<locked>> | 86% | 57,986 psi | 89% | 2946 fps | 100% |
| Lovex D073.6 | <<locked>> | 92% | 57,899 psi | 89% | 2979 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 58,247 psi | 90% | 2930 fps | 99.8% |
| Lovex S062 | <<locked>> | 96% | 58,146 psi | 89% | 2976 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 53,896 psi | 83% | 2913 fps | 97.7% |
| Lovex S070ᴾ | <<locked>> | 100% | 51,097 psi | 79% | 2887 fps | 96.1% |
| Norma 200 | <<locked>> | 82% | 58,523 psi | 90% | 2877 fps | 100% |
| Norma 201 | <<locked>> | 92% | 56,768 psi | 87% | 2946 fps | 100% |
| Norma 202 | <<locked>> | 92% | 57,421 psi | 88% | 2949 fps | 100% |
| Norma 203B | <<locked>> | 94% | 55,230 psi | 85% | 2976 fps | 99.7% |
| Norma URPᴾ | <<locked>> | 100% | 48,646 psi | 75% | 2913 fps | 98% |
| Ramshot Big Game | <<locked>> | 94% | 55,869 psi | 86% | 3002 fps | 99.7% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 47,964 psi | 74% | 2900 fps | 96.1% |
| Ramshot TAC | <<locked>> | 90% | 58,334 psi | 90% | 2976 fps | 98.5% |
| Ramshot Wild Boar | <<locked>> | 90% | 57,667 psi | 89% | 2995 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 86% | 55,303 psi | 85% | 2910 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,969 psi | 54% | 1824 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 57,174 psi | 88% | 2940 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 96% | 57,986 psi | 89% | 2976 fps | 97.7% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 56,492 psi | 87% | 3061 fps | 99.5% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 55,970 psi | 86% | 3094 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 48,704 psi | 75% | 2940 fps | 97.9% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 49,501 psi | 76% | 2963 fps | 97.4% |
| Rottweil R 901 | <<locked>> | 90% | 57,464 psi | 88% | 2927 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 57,217 psi | 88% | 2943 fps | 100% |
| Rottweil R 903 | <<locked>> | 98% | 55,245 psi | 85% | 2966 fps | 99.9% |
| Rottweil R 907ᴾ | <<locked>> | 100% | 56,521 psi | 87% | 2943 fps | 96.3% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 53,896 psi | 83% | 2913 fps | 97.7% |
| Shooters World Match Rifle | <<locked>> | 92% | 57,899 psi | 89% | 2979 fps | 100% |
| Shooters World Precision | <<locked>> | 96% | 58,146 psi | 89% | 2976 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 51,097 psi | 79% | 2887 fps | 96.1% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 57,159 psi | 88% | 2913 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 58,160 psi | 89% | 2582 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 56,434 psi | 87% | 2936 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 57,769 psi | 89% | 3038 fps | 99.8% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 56,420 psi | 87% | 2884 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 56,333 psi | 87% | 2949 fps | 98.7% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 56,913 psi | 88% | 2976 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 55,492 psi | 85% | 2841 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 55,448 psi | 85% | 2838 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 54,578 psi | 84% | 2867 fps | 96.4% |
| Somchem S321 | <<locked>> | 86% | 55,259 psi | 85% | 2940 fps | 100% |
| Somchem S335 | <<locked>> | 92% | 57,899 psi | 89% | 2884 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 55,956 psi | 86% | 2943 fps | 99.7% |
| Somchem S355 | <<locked>> | 98% | 55,941 psi | 86% | 2969 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 43,192 psi | 66% | 2858 fps | 99.6% |
| Vihtavuori N130 | <<locked>> | 88% | 58,798 psi | 90% | 2854 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 55,564 psi | 85% | 2828 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 56,768 psi | 87% | 2910 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 58,102 psi | 89% | 2927 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 57,769 psi | 89% | 2949 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 51,459 psi | 79% | 2917 fps | 98.4% |
| Vihtavuori N530 | <<locked>> | 90% | 58,378 psi | 90% | 2959 fps | 100% |
| Vihtavuori N540 | <<locked>> | 94% | 56,173 psi | 86% | 2923 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 50,444 psi | 78% | 2917 fps | 98.1% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 52,475 psi | 81% | 2904 fps | 99.8% |
| Winchester 748 | <<locked>> | 90% | 57,856 psi | 89% | 3005 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 52,852 psi | 81% | 2979 fps | 96.4% |
| Winchester StaBALL Match | <<locked>> | 92% | 56,753 psi | 87% | 2986 fps | 99.9% |
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% | 43,178 psi | 66% | 2667 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 47,195 psi | 73% | 2776 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,215 psi | 54% | 2566 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 42,380 psi | 65% | 2723 fps | 99.8% |
| Accurate 2700 | <<locked>> | 92% | 53,940 psi | 83% | 2858 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 33,315 psi | 51% | 2546 fps | 99.1% |
| Accurate 4350 | <<locked>> | 92% | 36,666 psi | 56% | 2680 fps | 95% |
| Accurate LT-30 | <<locked>> | 80% | 51,793 psi | 80% | 2753 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 52,185 psi | 80% | 2779 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 39,813 psi | 61% | 2674 fps | 97.3% |
| ADI AR 2208 | <<locked>> | 82% | 35,998 psi | 55% | 2569 fps | 95.3% |
| ADI AR 2219 | <<locked>> | 80% | 52,359 psi | 81% | 2871 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,901 psi | 64% | 2694 fps | 98.8% |
| Alliant AR-Comp | <<locked>> | 80% | 41,176 psi | 63% | 2690 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 48,747 psi | 75% | 2900 fps | 99.4% |
| Alliant Power Pro 2000-MR | 51.9 gr | 82% | 38,392 psi | 59% | 2740 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,924 psi | 51% | 2533 fps | 96.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 48,950 psi | 75% | 2769 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 35,621 psi | 55% | 2598 fps | 95.4% |
| Alliant Reloder-16 | <<locked>> | 92% | 37,579 psi | 58% | 2697 fps | 95.2% |
| Alliant Reloder-17 | <<locked>> | 84% | 32,532 psi | 50% | 2598 fps | 95% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 50,981 psi | 78% | 2749 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 38,812 psi | 60% | 2671 fps | 95.8% |
| Bofors RP3 | <<locked>> | 80% | 32,184 psi | 50% | 2530 fps | 96% |
| Bofors RP7 | <<locked>> | 98% | 52,924 psi | 81% | 2887 fps | 95.5% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,947 psi | 68% | 2690 fps | 99.4% |
| Hodgdon BL-C2 | <<locked>> | 80% | 40,161 psi | 62% | 2703 fps | 98.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 44,338 psi | 68% | 2844 fps | 97.9% |
| Hodgdon H322 | <<locked>> | 80% | 47,877 psi | 74% | 2802 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 48,660 psi | 75% | 2822 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 41,002 psi | 63% | 2710 fps | 95.7% |
| Hodgdon H414 | <<locked>> | 98% | 49,124 psi | 76% | 2917 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 40,118 psi | 62% | 2687 fps | 97.9% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 32,111 psi | 49% | 2533 fps | 95.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,998 psi | 55% | 2648 fps | 97.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,657 psi | 39% | 1591 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 38,595 psi | 59% | 2638 fps | 97.5% |
| IMR 3031 | <<locked>> | 80% | 39,276 psi | 60% | 2694 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 35,491 psi | 55% | 2552 fps | 95.4% |
| IMR 4166 Enduron | <<locked>> | 88% | 49,139 psi | 76% | 2795 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 49,661 psi | 76% | 2736 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 94% | 48,646 psi | 75% | 2815 fps | 95% |
| IMR 4831 | <<locked>> | 94% | 38,014 psi | 58% | 2687 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 36,463 psi | 56% | 2631 fps | 96.4% |
| IMR 8208 XBR | <<locked>> | 80% | 41,901 psi | 64% | 2694 fps | 98.8% |
| Lovex D073.5 | <<locked>> | 80% | 46,804 psi | 72% | 2776 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 38,159 psi | 59% | 2651 fps | 99.3% |
| Lovex S060 | <<locked>> | 80% | 40,393 psi | 62% | 2621 fps | 97.5% |
| Lovex S062 | <<locked>> | 80% | 35,114 psi | 54% | 2559 fps | 97.3% |
| Lovex S065 | <<locked>> | 94% | 44,657 psi | 69% | 2753 fps | 95.7% |
| Lovex S070 | <<locked>> | 98% | 47,863 psi | 74% | 2831 fps | 95.3% |
| Norma 200 | <<locked>> | 80% | 54,853 psi | 84% | 2828 fps | 100% |
| Norma 201 | <<locked>> | 80% | 38,696 psi | 60% | 2628 fps | 98.2% |
| Norma 202 | <<locked>> | 80% | 39,059 psi | 60% | 2644 fps | 99.7% |
| Norma 203B | <<locked>> | 80% | 34,969 psi | 54% | 2589 fps | 95.8% |
| Norma URP | <<locked>> | 92% | 37,376 psi | 58% | 2684 fps | 95% |
| Ramshot Big Game | <<locked>> | 80% | 34,476 psi | 53% | 2595 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 98% | 44,933 psi | 69% | 2844 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 41,800 psi | 64% | 2687 fps | 95.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 40,915 psi | 63% | 2707 fps | 97.5% |
| Ramshot X-Terminator | <<locked>> | 80% | 45,411 psi | 70% | 2743 fps | 98.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,831 psi | 40% | 1627 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 47,021 psi | 72% | 2782 fps | 99.9% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 47,572 psi | 73% | 2808 fps | 95.7% |
| ReloadSwiss RS 52 | 49.1 gr | 80% | 36,825 psi | 57% | 2694 fps | 95.8% |
| ReloadSwiss RS 60 | 49.9 gr | 80% | 30,313 psi | 47% | 2546 fps | 96.7% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 39,523 psi | 61% | 2759 fps | 95.5% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 43,163 psi | 66% | 2835 fps | 95.7% |
| Rottweil R 901 | <<locked>> | 80% | 42,453 psi | 65% | 2684 fps | 99.9% |
| Rottweil R 902 | <<locked>> | 80% | 36,927 psi | 57% | 2579 fps | 97.8% |
| Rottweil R 903 | <<locked>> | 82% | 32,271 psi | 50% | 2526 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 98% | 52,924 psi | 81% | 2887 fps | 95.5% |
| Shooters World Long Rifle | <<locked>> | 94% | 44,657 psi | 69% | 2753 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 38,159 psi | 59% | 2651 fps | 99.3% |
| Shooters World Precision | <<locked>> | 80% | 35,114 psi | 54% | 2559 fps | 97.3% |
| Shooters World SW4350 | <<locked>> | 98% | 47,863 psi | 74% | 2831 fps | 95.3% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 49,864 psi | 77% | 2802 fps | 99.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 55,143 psi | 85% | 2546 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 52,649 psi | 81% | 2881 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 33,794 psi | 52% | 2582 fps | 95.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 49,879 psi | 77% | 2792 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 39,624 psi | 61% | 2651 fps | 95.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 38,276 psi | 59% | 2641 fps | 96.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,567 psi | 62% | 2598 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 33,373 psi | 51% | 2457 fps | 99.5% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 50,966 psi | 78% | 2812 fps | 95.7% |
| Somchem S321 | <<locked>> | 80% | 45,034 psi | 69% | 2772 fps | 99.4% |
| Somchem S335 | <<locked>> | 80% | 39,885 psi | 61% | 2598 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 39,537 psi | 61% | 2657 fps | 97.1% |
| Somchem S355 | <<locked>> | 82% | 33,475 psi | 51% | 2539 fps | 95.9% |
| Somchem S365 | <<locked>> | 88% | 29,225 psi | 45% | 2513 fps | 95.3% |
| Vihtavuori N130 | <<locked>> | 80% | 46,006 psi | 71% | 2674 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,799 psi | 63% | 2602 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 36,027 psi | 55% | 2575 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 37,014 psi | 57% | 2582 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 80% | 29,791 psi | 46% | 2425 fps | 96% |
| Vihtavuori N160 | <<locked>> | 92% | 39,305 psi | 60% | 2690 fps | 95.6% |
| Vihtavuori N530 | <<locked>> | 80% | 41,829 psi | 64% | 2687 fps | 98.9% |
| Vihtavuori N540 | <<locked>> | 80% | 35,476 psi | 55% | 2562 fps | 99.1% |
| Vihtavuori N550 | <<locked>> | 92% | 38,508 psi | 59% | 2690 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 32,576 psi | 50% | 2503 fps | 95.3% |
| Winchester 748 | <<locked>> | 80% | 41,017 psi | 63% | 2726 fps | 99.3% |
| Winchester 760 | <<locked>> | 98% | 49,400 psi | 76% | 2920 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 37,637 psi | 58% | 2644 fps | 97.3% |
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 104 powders for .300 Rem. SA Ultra Mag. loaded with the .308 | 154gr | Hammer HHT. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,127 fps; across all powders the maximum-charge window runs from 1,781 fps to 3,127 fps. Accurate 4350 gives the best case fill at 100 %, and 104 of the 104 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. The 154.0 gr projectile in 0.308" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-17 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 | 154gr | Hammer HHT 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.