Load Specifications
Bullet:.243 | 100gr | Norma SSP
Bullet Manufacturer:Norma
Bullet Weight:100 gr
Bullet Diameter:0.243"
Bullet Length:<<locked>>
Caliber:6 mm Rem. load data
Case Length (l3):2.223"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:54.4 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:62,366 psi
Recommended Twist Rate:1:10.5
Load data in caliber 6 mm Rem. with .243 | 100gr | Norma SSP bullet and 99 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance 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.
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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 2495 | <<locked>> | 84% | 54,433 psi | 87% | 2881 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 56,057 psi | 90% | 2940 fps | 98% |
| Accurate 3100ᴾ | <<locked>> | 100% | 48,820 psi | 78% | 2907 fps | 98.3% |
| Accurate 4064 | <<locked>> | 86% | 54,723 psi | 88% | 2936 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 54,882 psi | 88% | 3028 fps | 99.9% |
| Accurate High Countryᴾ | <<locked>> | 100% | 53,432 psi | 86% | 3104 fps | 95.9% |
| ADI AR 2206H | <<locked>> | 82% | 53,954 psi | 87% | 2959 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 54,926 psi | 88% | 2963 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 56,260 psi | 90% | 3068 fps | 97.3% |
| ADI Benchmark 8208 | <<locked>> | 82% | 56,144 psi | 90% | 2959 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 54,085 psi | 87% | 3087 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 55,970 psi | 90% | 3061 fps | 97.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 55,782 psi | 89% | 2989 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 55,941 psi | 90% | 3009 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 96% | 55,724 psi | 89% | 3091 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 53,287 psi | 85% | 3061 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 55,143 psi | 88% | 3051 fps | 97.2% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 48,733 psi | 78% | 2982 fps | 96% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 46,166 psi | 74% | 2933 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 40,364 psi | 65% | 2831 fps | 97% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 52,417 psi | 84% | 3120 fps | 99.8% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 53,708 psi | 86% | 2972 fps | 99.8% |
| Bofors RP3 | <<locked>> | 88% | 56,275 psi | 90% | 3002 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 48,733 psi | 78% | 2982 fps | 96% |
| Bofors RP7 | <<locked>> | 92% | 55,796 psi | 89% | 2976 fps | 98.2% |
| Hodgdon BL-C2 | <<locked>> | 82% | 56,014 psi | 90% | 2989 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 53,243 psi | 85% | 2959 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 92% | 53,737 psi | 86% | 3022 fps | 98.4% |
| Hodgdon H4350 | <<locked>> | 90% | 54,056 psi | 87% | 2986 fps | 97.3% |
| Hodgdon H4895 | <<locked>> | 82% | 54,549 psi | 87% | 2969 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 56,014 psi | 90% | 3012 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 54,505 psi | 87% | 3005 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 53,708 psi | 86% | 3054 fps | 98.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,926 psi | 58% | 1854 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 55,695 psi | 89% | 2972 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 54,781 psi | 88% | 2949 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 54,708 psi | 88% | 2946 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 54,099 psi | 87% | 2927 fps | 98.3% |
| IMR 4350 | <<locked>> | 94% | 53,330 psi | 86% | 2956 fps | 97.8% |
| IMR 4451 Enduron | <<locked>> | 90% | 54,230 psi | 87% | 2953 fps | 98.3% |
| IMR 4831 | <<locked>> | 96% | 55,245 psi | 89% | 3018 fps | 99.9% |
| IMR 4895 | <<locked>> | 84% | 53,896 psi | 86% | 2986 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 56,144 psi | 90% | 2959 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 54,027 psi | 87% | 2933 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 53,142 psi | 85% | 2884 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 54,505 psi | 87% | 2940 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 54,114 psi | 87% | 2949 fps | 99.2% |
| Lovex S070 | <<locked>> | 94% | 55,477 psi | 89% | 2992 fps | 98.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 40,669 psi | 65% | 2749 fps | 96.5% |
| Norma 201 | <<locked>> | 84% | 56,246 psi | 90% | 2956 fps | 100% |
| Norma 202 | <<locked>> | 82% | 53,403 psi | 86% | 2904 fps | 100% |
| Norma 203B | <<locked>> | 86% | 55,216 psi | 89% | 2995 fps | 100% |
| Norma 204 | <<locked>> | 94% | 53,824 psi | 86% | 3002 fps | 96.7% |
| Norma MRPᴾ | <<locked>> | 100% | 51,692 psi | 83% | 3074 fps | 98.1% |
| Norma URP | <<locked>> | 94% | 53,896 psi | 86% | 3018 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 86% | 55,840 psi | 90% | 3018 fps | 100% |
| Ramshot Hunter | <<locked>> | 96% | 55,999 psi | 90% | 3068 fps | 99.3% |
| Ramshot TAC | <<locked>> | 82% | 56,362 psi | 90% | 2982 fps | 99.5% |
| Ramshot Wild Boar | <<locked>> | 82% | 56,217 psi | 90% | 2999 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,535 psi | 59% | 1896 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 53,592 psi | 86% | 2946 fps | 98.7% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 53,069 psi | 85% | 3022 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 53,069 psi | 85% | 3061 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 54,911 psi | 88% | 3054 fps | 99.8% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 53,563 psi | 86% | 3077 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 84% | 53,258 psi | 85% | 2904 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 53,011 psi | 85% | 2946 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 54,389 psi | 87% | 3035 fps | 97.2% |
| Rottweil R 907 | <<locked>> | 92% | 55,796 psi | 89% | 2976 fps | 98.2% |
| Shooters World Long Rifle | <<locked>> | 92% | 54,114 psi | 87% | 2949 fps | 99.2% |
| Shooters World Match Rifle | <<locked>> | 82% | 54,027 psi | 87% | 2933 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 54,505 psi | 87% | 2940 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 55,477 psi | 89% | 2992 fps | 98.7% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 54,433 psi | 87% | 3005 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 55,100 psi | 88% | 2963 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 55,738 psi | 89% | 2979 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 53,824 psi | 86% | 2838 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 54,273 psi | 87% | 2838 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 54,027 psi | 87% | 2900 fps | 98.3% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 53,882 psi | 86% | 3028 fps | 97.1% |
| Somchem S335 | <<locked>> | 82% | 53,461 psi | 86% | 2838 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 54,665 psi | 88% | 2949 fps | 100% |
| Somchem S355 | <<locked>> | 90% | 56,333 psi | 90% | 2992 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 56,231 psi | 90% | 3071 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 55,042 psi | 88% | 3012 fps | 98.1% |
| Vihtavuori N133 | <<locked>> | 82% | 54,302 psi | 87% | 2825 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 53,316 psi | 85% | 2864 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 53,954 psi | 87% | 2881 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 54,447 psi | 87% | 2920 fps | 100% |
| Vihtavuori N160 | <<locked>> | 94% | 55,941 psi | 90% | 3009 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 47,355 psi | 76% | 2864 fps | 96.1% |
| Vihtavuori N540 | <<locked>> | 86% | 55,361 psi | 89% | 2923 fps | 100% |
| Vihtavuori N550 | <<locked>> | 94% | 54,955 psi | 88% | 3012 fps | 99.8% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 51,605 psi | 83% | 3015 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 56,115 psi | 90% | 2982 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 53,737 psi | 86% | 3022 fps | 98.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 41,437 psi | 66% | 2969 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 84% | 56,144 psi | 90% | 2995 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 51,837 psi | 83% | 2949 fps | 96.4% |
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 2495 | <<locked>> | 80% | 47,688 psi | 76% | 2782 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 46,137 psi | 74% | 2766 fps | 96% |
| Accurate 3100 | <<locked>> | 92% | 37,159 psi | 60% | 2671 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 45,136 psi | 72% | 2782 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 33,866 psi | 54% | 2612 fps | 96% |
| Accurate High Country | <<locked>> | 98% | 49,922 psi | 80% | 3041 fps | 95% |
| ADI AR 2206H | <<locked>> | 80% | 50,676 psi | 81% | 2907 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 80% | 42,931 psi | 69% | 2746 fps | 98.9% |
| ADI AR 2209 | <<locked>> | 96% | 49,356 psi | 79% | 2946 fps | 95.8% |
| ADI Benchmark 8208 | <<locked>> | 80% | 52,736 psi | 85% | 2907 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 46,717 psi | 75% | 2953 fps | 99.5% |
| Alliant Power Pro Varmint | <<locked>> | 94% | 46,122 psi | 74% | 2884 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 43,192 psi | 69% | 2776 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 46,282 psi | 74% | 2844 fps | 99.4% |
| Alliant Reloder-16 | <<locked>> | 80% | 33,417 psi | 54% | 2621 fps | 96% |
| Alliant Reloder-17 | 38 gr | 80% | 37,797 psi | 61% | 2759 fps | 99% |
| Alliant Reloder-19 | <<locked>> | 96% | 48,501 psi | 78% | 2933 fps | 95.8% |
| Alliant Reloder-22 | <<locked>> | 98% | 45,643 psi | 73% | 2923 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 86% | 29,588 psi | 47% | 2536 fps | 96% |
| Alliant Reloder-25 | <<locked>> | 96% | 35,607 psi | 57% | 2707 fps | 95% |
| Alliant Reloder-26 | <<locked>> | 88% | 34,069 psi | 55% | 2717 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 50,125 psi | 80% | 2913 fps | 99.6% |
| Bofors RP3 | <<locked>> | 80% | 43,323 psi | 69% | 2785 fps | 99.8% |
| Bofors RP5 | <<locked>> | 98% | 45,643 psi | 73% | 2923 fps | 95.1% |
| Bofors RP7 | <<locked>> | 84% | 43,613 psi | 70% | 2753 fps | 95.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 52,199 psi | 84% | 2930 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 43,874 psi | 70% | 2789 fps | 98.3% |
| Hodgdon H414 | <<locked>> | 84% | 41,147 psi | 66% | 2782 fps | 95.5% |
| Hodgdon H4350 | <<locked>> | 86% | 47,326 psi | 76% | 2864 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 80% | 51,227 psi | 82% | 2917 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,995 psi | 50% | 2520 fps | 96.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 47,587 psi | 76% | 2890 fps | 100% |
| Hodgdon Superformance | 43.1 gr | 86% | 43,294 psi | 69% | 2854 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,905 psi | 43% | 1660 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 49,066 psi | 79% | 2864 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 51,605 psi | 83% | 2900 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 45,136 psi | 72% | 2782 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 80% | 47,442 psi | 76% | 2808 fps | 97.1% |
| IMR 4350 | <<locked>> | 88% | 44,150 psi | 71% | 2785 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 82% | 42,569 psi | 68% | 2733 fps | 95.7% |
| IMR 4831 | <<locked>> | 80% | 32,851 psi | 53% | 2572 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 47,442 psi | 76% | 2874 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 80% | 52,736 psi | 85% | 2907 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 50,618 psi | 81% | 2881 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 49,908 psi | 80% | 2831 fps | 99.9% |
| Lovex S062 | <<locked>> | 80% | 45,353 psi | 73% | 2785 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 37,391 psi | 60% | 2625 fps | 95.7% |
| Lovex S070 | <<locked>> | 84% | 40,495 psi | 65% | 2710 fps | 95.5% |
| Lovex S071 | <<locked>> | 98% | 38,000 psi | 61% | 2694 fps | 95.6% |
| Norma 201 | <<locked>> | 80% | 49,530 psi | 79% | 2848 fps | 100% |
| Norma 202 | <<locked>> | 80% | 50,096 psi | 80% | 2851 fps | 100% |
| Norma 203B | <<locked>> | 80% | 45,629 psi | 73% | 2831 fps | 99.6% |
| Norma 204 | <<locked>> | 90% | 46,862 psi | 75% | 2877 fps | 95% |
| Norma MRP | <<locked>> | 94% | 42,134 psi | 68% | 2881 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 33,953 psi | 54% | 2612 fps | 95.9% |
| Ramshot Big Game | <<locked>> | 80% | 45,440 psi | 73% | 2844 fps | 99.5% |
| Ramshot Hunter | <<locked>> | 84% | 37,579 psi | 60% | 2710 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 52,678 psi | 84% | 2923 fps | 99.2% |
| Ramshot Wild Boar | <<locked>> | 80% | 52,808 psi | 85% | 2943 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,253 psi | 44% | 1696 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 43,845 psi | 70% | 2766 fps | 96.9% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 49,647 psi | 80% | 2963 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 40,176 psi | 64% | 2825 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 33,489 psi | 54% | 2625 fps | 95.4% |
| ReloadSwiss RS 70 | 39.5 gr | 82% | 35,404 psi | 57% | 2690 fps | 95.4% |
| Rottweil R 902 | <<locked>> | 80% | 47,239 psi | 76% | 2802 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 40,741 psi | 65% | 2723 fps | 99.4% |
| Rottweil R 905 | <<locked>> | 96% | 47,558 psi | 76% | 2917 fps | 95.7% |
| Rottweil R 907 | <<locked>> | 84% | 43,613 psi | 70% | 2753 fps | 95.5% |
| Shooters World Long Rifle | <<locked>> | 80% | 37,391 psi | 60% | 2625 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 50,618 psi | 81% | 2881 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 45,353 psi | 73% | 2785 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 40,495 psi | 65% | 2710 fps | 95.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 41,872 psi | 67% | 2779 fps | 99.1% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 51,372 psi | 82% | 2900 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 49,240 psi | 79% | 2874 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 50,430 psi | 81% | 2789 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 42,409 psi | 68% | 2651 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 41,756 psi | 67% | 2677 fps | 95.7% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 47,108 psi | 76% | 2910 fps | 95.5% |
| Somchem S335 | <<locked>> | 80% | 50,256 psi | 81% | 2789 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 51,010 psi | 82% | 2890 fps | 99.9% |
| Somchem S355 | <<locked>> | 80% | 41,220 psi | 66% | 2726 fps | 99.3% |
| Somchem S365 | <<locked>> | 80% | 30,516 psi | 49% | 2566 fps | 98.1% |
| Somchem S385 | <<locked>> | 92% | 42,453 psi | 68% | 2782 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 50,923 psi | 82% | 2776 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 47,094 psi | 76% | 2772 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 47,500 psi | 76% | 2782 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 39,320 psi | 63% | 2657 fps | 99.7% |
| Vihtavuori N160 | <<locked>> | 80% | 35,331 psi | 57% | 2615 fps | 96.3% |
| Vihtavuori N165 | <<locked>> | 98% | 44,353 psi | 71% | 2808 fps | 95.2% |
| Vihtavuori N540 | <<locked>> | 80% | 45,934 psi | 74% | 2776 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,882 psi | 56% | 2615 fps | 95.9% |
| Vihtavuori N555 | <<locked>> | 84% | 30,313 psi | 49% | 2559 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,650 psi | 56% | 2585 fps | 98.3% |
| Winchester 760 | <<locked>> | 84% | 41,147 psi | 66% | 2782 fps | 95.5% |
| Winchester StaBALL HD | <<locked>> | 88% | 27,862 psi | 45% | 2559 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 49,153 psi | 79% | 2881 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 48,051 psi | 77% | 2881 fps | 95.5% |
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 99 powders for 6 mm Rem. loaded with the .243 | 100gr | Norma SSP. Alliant Reloder-26 delivers the highest muzzle velocity at 3,120 fps; across all powders the maximum-charge window runs from 1,854 fps to 3,120 fps. Accurate 3100 gives the best case fill at 100 %, and 99 of the 99 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 100.0 gr projectile in 0.243" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate High Country, ADI AR 2209 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 70, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for 6 mm Rem. with the .243 | 100gr | Norma SSP 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.