Load Specifications
Load data in caliber .243 Win. with .243 | 95gr | Sierra Tipped MatchKing bullet and 96 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-16, ReloadSwiss RS 70 and Hodgdon Superformance.
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>> | 86% | 54,273 psi | 90% | 2844 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 54,215 psi | 90% | 2894 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 54,215 psi | 90% | 2844 fps | 97.4% |
| Accurate 3100ᴾ | <<locked>> | 100% | 45,469 psi | 76% | 2795 fps | 97.4% |
| Accurate 4064 | <<locked>> | 88% | 54,418 psi | 90% | 2890 fps | 100% |
| Accurate 4350 | <<locked>> | 94% | 50,879 psi | 85% | 2920 fps | 99.5% |
| ADI AR 2206H | <<locked>> | 84% | 54,070 psi | 90% | 2920 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 51,938 psi | 86% | 2867 fps | 99.7% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 52,750 psi | 88% | 2949 fps | 96.2% |
| ADI Benchmark 8208 | <<locked>> | 82% | 53,069 psi | 88% | 2871 fps | 100% |
| Alliant AR-Comp | <<locked>> | 82% | 54,230 psi | 90% | 2848 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 54,027 psi | 90% | 3038 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 52,214 psi | 87% | 2894 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 52,765 psi | 88% | 2917 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 96% | 52,083 psi | 87% | 2979 fps | 99.8% |
| Alliant Reloder-17 | <<locked>> | 92% | 53,345 psi | 89% | 3012 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 52,040 psi | 86% | 2940 fps | 96.3% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 42,670 psi | 71% | 2822 fps | 99.6% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 48,660 psi | 81% | 2995 fps | 99.4% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 54,085 psi | 90% | 2930 fps | 99.8% |
| Bofors RP3 | <<locked>> | 88% | 52,808 psi | 88% | 2907 fps | 100% |
| Bofors RP7 | <<locked>> | 92% | 52,924 psi | 88% | 2877 fps | 97.4% |
| Hodgdon BL-C2 | <<locked>> | 82% | 52,910 psi | 88% | 2900 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 51,895 psi | 86% | 2930 fps | 99.6% |
| Hodgdon H380 | <<locked>> | 88% | 53,563 psi | 89% | 2917 fps | 99.4% |
| Hodgdon H414 | <<locked>> | 90% | 51,387 psi | 85% | 2933 fps | 97.8% |
| Hodgdon H4350 | <<locked>> | 94% | 52,359 psi | 87% | 2907 fps | 96.6% |
| Hodgdon H4895 | <<locked>> | 82% | 51,387 psi | 85% | 2881 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 52,185 psi | 87% | 2907 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 50,995 psi | 85% | 2910 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 54,172 psi | 90% | 3002 fps | 98% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,549 psi | 59% | 1837 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 51,634 psi | 86% | 2867 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 53,403 psi | 89% | 2894 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 54,273 psi | 90% | 2897 fps | 99.9% |
| IMR 4166 Enduron | <<locked>> | 90% | 53,621 psi | 89% | 2867 fps | 97.9% |
| IMR 4350 | <<locked>> | 96% | 53,635 psi | 89% | 2904 fps | 97.6% |
| IMR 4451 Enduron | <<locked>> | 90% | 51,358 psi | 85% | 2854 fps | 97.5% |
| IMR 4831ᴾ | <<locked>> | 100% | 52,475 psi | 87% | 2923 fps | 99.7% |
| IMR 4895 | <<locked>> | 86% | 54,085 psi | 90% | 2946 fps | 100% |
| IMR 8208 XBR | <<locked>> | 82% | 53,069 psi | 88% | 2871 fps | 100% |
| Lovex D073.6 | <<locked>> | 84% | 54,215 psi | 90% | 2894 fps | 100% |
| Lovex S060 | <<locked>> | 84% | 53,606 psi | 89% | 2848 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 51,503 psi | 86% | 2854 fps | 100% |
| Lovex S065 | <<locked>> | 94% | 54,418 psi | 90% | 2904 fps | 99.1% |
| Lovex S070 | <<locked>> | 94% | 52,011 psi | 86% | 2884 fps | 97.9% |
| Norma 201 | <<locked>> | 84% | 53,113 psi | 88% | 2867 fps | 100% |
| Norma 202 | <<locked>> | 84% | 53,722 psi | 89% | 2867 fps | 100% |
| Norma 203B | <<locked>> | 86% | 51,996 psi | 86% | 2904 fps | 99.9% |
| Norma 204 | <<locked>> | 96% | 54,099 psi | 90% | 2949 fps | 96.4% |
| Norma MRPᴾ | <<locked>> | 100% | 48,240 psi | 80% | 2953 fps | 97.1% |
| Norma URP | <<locked>> | 96% | 53,447 psi | 89% | 2959 fps | 99.7% |
| Ramshot Big Game | <<locked>> | 86% | 52,359 psi | 87% | 2920 fps | 99.9% |
| Ramshot Hunter | <<locked>> | 96% | 52,533 psi | 87% | 2956 fps | 98.7% |
| Ramshot TAC | <<locked>> | 82% | 53,374 psi | 89% | 2887 fps | 99% |
| Ramshot Wild Boar | <<locked>> | 82% | 53,258 psi | 88% | 2907 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,158 psi | 60% | 1880 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 53,853 psi | 89% | 2900 fps | 98.5% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 53,113 psi | 88% | 2979 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 52,924 psi | 88% | 3012 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 50,792 psi | 84% | 2936 fps | 99.4% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 53,751 psi | 89% | 3022 fps | 99.6% |
| Rottweil R 901 | <<locked>> | 82% | 53,925 psi | 90% | 2851 fps | 100% |
| Rottweil R 902 | <<locked>> | 86% | 53,664 psi | 89% | 2867 fps | 100% |
| Rottweil R 903 | <<locked>> | 90% | 53,084 psi | 88% | 2904 fps | 100% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 50,488 psi | 84% | 2913 fps | 96.1% |
| Rottweil R 907 | <<locked>> | 92% | 52,924 psi | 88% | 2877 fps | 97.4% |
| Shooters World Long Rifle | <<locked>> | 94% | 54,418 psi | 90% | 2904 fps | 99.1% |
| Shooters World Match Rifle | <<locked>> | 84% | 54,215 psi | 90% | 2894 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 51,503 psi | 86% | 2854 fps | 100% |
| Shooters World SW4350 | <<locked>> | 94% | 52,011 psi | 86% | 2884 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 50,966 psi | 85% | 2904 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 51,866 psi | 86% | 2861 fps | 99.2% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 52,779 psi | 88% | 2890 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 54,099 psi | 90% | 2805 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 51,430 psi | 85% | 2756 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 54,331 psi | 90% | 2851 fps | 98.1% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 50,009 psi | 83% | 2910 fps | 96% |
| Somchem S335 | <<locked>> | 84% | 53,882 psi | 90% | 2805 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 51,488 psi | 86% | 2851 fps | 99.9% |
| Somchem S355 | <<locked>> | 90% | 52,939 psi | 88% | 2897 fps | 100% |
| Somchem S365 | <<locked>> | 98% | 51,996 psi | 86% | 2966 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 51,459 psi | 85% | 2897 fps | 97.2% |
| Unknown powder | <<locked>> | 94% | 54,317 psi | 90% | 2966 fps | 99.5% |
| Vihtavuori N133 | <<locked>> | 86% | 53,940 psi | 90% | 2785 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 53,345 psi | 89% | 2828 fps | 100% |
| Vihtavuori N140 | <<locked>> | 86% | 53,505 psi | 89% | 2838 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 51,227 psi | 85% | 2835 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 51,488 psi | 86% | 2884 fps | 99.4% |
| Vihtavuori N540 | <<locked>> | 86% | 53,272 psi | 89% | 2864 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 51,735 psi | 86% | 2933 fps | 99.4% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 47,398 psi | 79% | 2900 fps | 99.5% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 52,446 psi | 87% | 2874 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 51,387 psi | 85% | 2933 fps | 97.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 38,450 psi | 64% | 2841 fps | 99.8% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 53,809 psi | 89% | 2917 fps | 96.5% |
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% | 44,454 psi | 74% | 2700 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 50,502 psi | 84% | 2841 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 44,556 psi | 74% | 2680 fps | 95.1% |
| Accurate 3100 | <<locked>> | 96% | 39,450 psi | 66% | 2684 fps | 95.8% |
| Accurate 4064 | <<locked>> | 80% | 41,989 psi | 70% | 2697 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 33,460 psi | 56% | 2575 fps | 95.5% |
| ADI AR 2206H | <<locked>> | 80% | 47,863 psi | 80% | 2818 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 80% | 40,596 psi | 67% | 2664 fps | 98.2% |
| ADI AR 2209 | <<locked>> | 98% | 49,545 psi | 82% | 2894 fps | 95.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 49,951 psi | 83% | 2822 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 50,792 psi | 84% | 2802 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 43,990 psi | 73% | 2858 fps | 98.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 40,408 psi | 67% | 2687 fps | 99.3% |
| Alliant Reloder-15 | <<locked>> | 80% | 43,511 psi | 72% | 2756 fps | 98.9% |
| Alliant Reloder-16 | 33.5 gr | 82% | 33,446 psi | 56% | 2589 fps | 95.6% |
| Alliant Reloder-17 | <<locked>> | 80% | 35,114 psi | 58% | 2661 fps | 98% |
| Alliant Reloder-19 | <<locked>> | 98% | 48,530 psi | 81% | 2881 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 88% | 29,240 psi | 49% | 2493 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 90% | 33,910 psi | 56% | 2671 fps | 95% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 47,210 psi | 78% | 2818 fps | 99.1% |
| Bofors RP3 | <<locked>> | 80% | 40,277 psi | 67% | 2690 fps | 99.3% |
| Bofors RP7 | <<locked>> | 86% | 43,743 psi | 73% | 2717 fps | 95.1% |
| Hodgdon BL-C2 | <<locked>> | 80% | 49,371 psi | 82% | 2848 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 42,047 psi | 70% | 2756 fps | 98.2% |
| Hodgdon H380 | <<locked>> | 80% | 41,104 psi | 68% | 2697 fps | 97.4% |
| Hodgdon H414 | <<locked>> | 84% | 41,930 psi | 70% | 2759 fps | 95.4% |
| Hodgdon H4350 | <<locked>> | 90% | 45,977 psi | 76% | 2792 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 48,370 psi | 80% | 2831 fps | 99.9% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 28,906 psi | 48% | 2434 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 44,643 psi | 74% | 2802 fps | 99.8% |
| Hodgdon Superformance | 40.9 gr | 88% | 43,482 psi | 72% | 2808 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,542 psi | 44% | 1647 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,859 psi | 71% | 2717 fps | 99.4% |
| IMR 3031 | <<locked>> | 80% | 44,237 psi | 73% | 2753 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,711 psi | 66% | 2641 fps | 98.2% |
| IMR 4166 Enduron | <<locked>> | 82% | 41,756 psi | 69% | 2654 fps | 95.1% |
| IMR 4350 | <<locked>> | 90% | 44,338 psi | 74% | 2746 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 84% | 42,554 psi | 71% | 2694 fps | 95.3% |
| IMR 4831 | <<locked>> | 86% | 33,533 psi | 56% | 2562 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 44,614 psi | 74% | 2789 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 80% | 49,951 psi | 83% | 2822 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 47,413 psi | 79% | 2795 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 47,514 psi | 79% | 2753 fps | 99.7% |
| Lovex S062 | <<locked>> | 80% | 42,815 psi | 71% | 2707 fps | 99.7% |
| Lovex S065 | <<locked>> | 82% | 37,521 psi | 62% | 2592 fps | 95.4% |
| Lovex S070 | <<locked>> | 86% | 40,408 psi | 67% | 2674 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 46,601 psi | 77% | 2766 fps | 99.9% |
| Norma 202 | <<locked>> | 80% | 47,094 psi | 78% | 2769 fps | 100% |
| Norma 203B | <<locked>> | 80% | 42,888 psi | 71% | 2743 fps | 99.1% |
| Norma 204 | <<locked>> | 94% | 50,401 psi | 84% | 2890 fps | 95.6% |
| Norma MRP | <<locked>> | 96% | 41,843 psi | 70% | 2822 fps | 95.2% |
| Norma URP | <<locked>> | 82% | 33,576 psi | 56% | 2575 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 42,772 psi | 71% | 2756 fps | 99% |
| Ramshot Hunter | <<locked>> | 86% | 37,695 psi | 63% | 2674 fps | 95% |
| Ramshot TAC | <<locked>> | 80% | 49,951 psi | 83% | 2831 fps | 98.6% |
| Ramshot Wild Boar | <<locked>> | 80% | 49,777 psi | 83% | 2851 fps | 99.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,847 psi | 45% | 1686 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 41,321 psi | 69% | 2674 fps | 95.8% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 46,296 psi | 77% | 2864 fps | 99.3% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 37,391 psi | 62% | 2726 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 33,388 psi | 55% | 2592 fps | 95.1% |
| ReloadSwiss RS 70 | 37.5 gr | 84% | 35,389 psi | 59% | 2648 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 50,807 psi | 84% | 2805 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 44,614 psi | 74% | 2720 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 80% | 37,942 psi | 63% | 2635 fps | 98.7% |
| Rottweil R 905 | <<locked>> | 98% | 47,326 psi | 79% | 2861 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 86% | 43,743 psi | 73% | 2717 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 82% | 37,521 psi | 62% | 2592 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 47,413 psi | 79% | 2795 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 42,815 psi | 71% | 2707 fps | 99.7% |
| Shooters World SW4350 | <<locked>> | 86% | 40,408 psi | 67% | 2674 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 39,073 psi | 65% | 2687 fps | 98.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 48,356 psi | 80% | 2805 fps | 98.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 46,427 psi | 77% | 2785 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 47,688 psi | 79% | 2710 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 39,885 psi | 66% | 2575 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 42,018 psi | 70% | 2641 fps | 95.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 46,876 psi | 78% | 2854 fps | 95.1% |
| Somchem S335 | <<locked>> | 80% | 47,456 psi | 79% | 2710 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 48,022 psi | 80% | 2795 fps | 99.7% |
| Somchem S355 | <<locked>> | 80% | 38,508 psi | 64% | 2638 fps | 98.7% |
| Somchem S365 | <<locked>> | 80% | 28,297 psi | 47% | 2474 fps | 96.8% |
| Somchem S385 | <<locked>> | 96% | 44,991 psi | 75% | 2785 fps | 95.6% |
| Unknown powder | <<locked>> | 82% | 36,521 psi | 61% | 2638 fps | 95.8% |
| Vihtavuori N133 | <<locked>> | 80% | 45,063 psi | 75% | 2657 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 44,005 psi | 73% | 2694 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 44,063 psi | 73% | 2694 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,069 psi | 55% | 2493 fps | 98.5% |
| Vihtavuori N160 | <<locked>> | 80% | 34,301 psi | 57% | 2556 fps | 95.6% |
| Vihtavuori N540 | <<locked>> | 80% | 43,729 psi | 73% | 2713 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,751 psi | 58% | 2598 fps | 95.6% |
| Vihtavuori N555 | <<locked>> | 88% | 31,676 psi | 53% | 2572 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 32,590 psi | 54% | 2497 fps | 97.4% |
| Winchester 760 | <<locked>> | 84% | 41,930 psi | 70% | 2759 fps | 95.4% |
| Winchester StaBALL HD | <<locked>> | 92% | 29,631 psi | 49% | 2582 fps | 96.5% |
| Winchester Supreme 780 | <<locked>> | 98% | 50,314 psi | 84% | 2861 fps | 95.7% |
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 112 powders for .243 Win. loaded with the .243 | 95gr | Sierra Tipped MatchKing. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 3,038 fps; across all powders the maximum-charge window runs from 1,837 fps to 3,038 fps. Accurate 3100 gives the best case fill at 100 %, and 112 of the 112 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 59–90 %, leaving at least 10 % headroom. Accurate 3100, ADI AR 2209, ADI AR 2213 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 Reloder-16, ReloadSwiss RS 70, Hodgdon Superformance rank at the top here: for .243 Win. with the .243 | 95gr | Sierra Tipped MatchKing they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2213, Alliant Reloder-22, Bofors RP15 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.