Load Specifications
Bullet:.243 | 95gr | Norma FMJ
Bullet Manufacturer:Norma
Bullet Weight:95 gr
Bullet Diameter:0.243"
Bullet Length:<<locked>>
Caliber:6 mm GT load data
Case Length (l3):1.725"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:43.5 Grains of Water
Primer Size:Small Rifle (SR)
Barrel Length:24"
Max. allowed Pressure:62,001 psi
Recommended Twist Rate:1:12.0
Load data in caliber 6 mm GT with .243 | 95gr | Norma FMJ bullet and 98 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 60 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.
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>> | 86% | 54,317 psi | 88% | 2841 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 52,910 psi | 85% | 2867 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 55,869 psi | 90% | 2907 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 54,665 psi | 88% | 2930 fps | 100% |
| Accurate 4064 | <<locked>> | 94% | 55,985 psi | 90% | 2956 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 51,735 psi | 83% | 2969 fps | 98.7% |
| ADI AR 2206H | <<locked>> | 88% | 53,592 psi | 86% | 2936 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 94% | 54,447 psi | 88% | 2930 fps | 99.3% |
| ADI Benchmark 8208 | <<locked>> | 86% | 52,533 psi | 85% | 2887 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 86% | 52,953 psi | 85% | 2874 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 54,099 psi | 87% | 2995 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 52,692 psi | 85% | 3045 fps | 99.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 54,273 psi | 88% | 2959 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 82% | 54,128 psi | 87% | 2851 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 54,868 psi | 88% | 2976 fps | 99.5% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 50,241 psi | 81% | 2972 fps | 98.7% |
| Alliant Reloder-17 | <<locked>> | 98% | 54,607 psi | 88% | 3071 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 35,781 psi | 58% | 2687 fps | 96.5% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 53,229 psi | 86% | 2946 fps | 99% |
| Bofors RP3 | <<locked>> | 94% | 54,549 psi | 88% | 2969 fps | 99.9% |
| Bofors RP7 | <<locked>> | 98% | 55,303 psi | 89% | 2933 fps | 96.2% |
| Hodgdon Benchmark | <<locked>> | 86% | 54,389 psi | 88% | 2874 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 55,085 psi | 89% | 2969 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 53,243 psi | 86% | 3009 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 82% | 53,214 psi | 86% | 2890 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 54,056 psi | 87% | 2910 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 55,883 psi | 90% | 2982 fps | 98.8% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 55,100 psi | 89% | 3022 fps | 96.9% |
| Hodgdon H4895 | <<locked>> | 88% | 54,070 psi | 87% | 2949 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 46,514 psi | 75% | 2851 fps | 99.1% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 52,808 psi | 85% | 2976 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,954 psi | 56% | 1795 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 55,216 psi | 89% | 2949 fps | 99.8% |
| IMR 3031 | <<locked>> | 88% | 53,693 psi | 87% | 2936 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 54,085 psi | 87% | 2917 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 90% | 54,476 psi | 88% | 2894 fps | 96.6% |
| IMR 4198 | <<locked>> | 82% | 54,462 psi | 88% | 2812 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 96% | 53,911 psi | 87% | 2913 fps | 96.4% |
| IMR 4831ᴾ | <<locked>> | 100% | 48,834 psi | 79% | 2904 fps | 98.3% |
| IMR 4895 | <<locked>> | 90% | 52,605 psi | 85% | 2953 fps | 99.5% |
| IMR 8208 XBR | <<locked>> | 86% | 52,533 psi | 85% | 2887 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 82% | 52,779 psi | 85% | 2874 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 52,895 psi | 85% | 2913 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 53,476 psi | 86% | 2867 fps | 99.6% |
| Lovex S062 | <<locked>> | 92% | 53,403 psi | 86% | 2910 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 52,576 psi | 85% | 2900 fps | 97.6% |
| Lovex S070ᴾ | <<locked>> | 100% | 53,606 psi | 86% | 2936 fps | 96.7% |
| Norma 201 | <<locked>> | 90% | 55,608 psi | 90% | 2933 fps | 100% |
| Norma 202 | <<locked>> | 88% | 52,518 psi | 85% | 2887 fps | 100% |
| Norma 203B | <<locked>> | 92% | 54,027 psi | 87% | 2966 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 51,082 psi | 82% | 2959 fps | 98.5% |
| Ramshot Big Game | <<locked>> | 92% | 54,317 psi | 88% | 2986 fps | 99.6% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 50,067 psi | 81% | 2946 fps | 96.8% |
| Ramshot TAC | <<locked>> | 86% | 53,200 psi | 86% | 2904 fps | 97.9% |
| Ramshot Wild Boar | <<locked>> | 88% | 55,753 psi | 90% | 2972 fps | 99.7% |
| Ramshot X-Terminator | <<locked>> | 84% | 53,664 psi | 87% | 2887 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,563 psi | 57% | 1841 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 55,651 psi | 90% | 2923 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 52,939 psi | 85% | 2907 fps | 97% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 54,853 psi | 88% | 3041 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 54,389 psi | 88% | 3074 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 51,329 psi | 83% | 2989 fps | 98.4% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 51,663 psi | 83% | 3012 fps | 98% |
| Rottweil R 901 | <<locked>> | 86% | 53,287 psi | 86% | 2867 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 55,811 psi | 90% | 2927 fps | 100% |
| Rottweil R 903 | <<locked>> | 96% | 54,404 psi | 88% | 2959 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 98% | 55,303 psi | 89% | 2933 fps | 96.2% |
| Shooters World Long Rifle | <<locked>> | 98% | 52,576 psi | 85% | 2900 fps | 97.6% |
| Shooters World Match Rifle | <<locked>> | 88% | 52,895 psi | 85% | 2913 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 53,403 psi | 86% | 2910 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 53,606 psi | 86% | 2936 fps | 96.7% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 55,143 psi | 89% | 2890 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 52,736 psi | 85% | 2969 fps | 99.5% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 55,201 psi | 89% | 2874 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 54,868 psi | 88% | 2933 fps | 98.5% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 55,158 psi | 89% | 2956 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 54,128 psi | 87% | 2828 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 53,911 psi | 87% | 2825 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 53,156 psi | 86% | 2851 fps | 96.3% |
| Somchem S321 | <<locked>> | 84% | 53,896 psi | 87% | 2927 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 53,476 psi | 86% | 2828 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 54,346 psi | 88% | 2927 fps | 99.6% |
| Somchem S355 | <<locked>> | 96% | 54,810 psi | 88% | 2956 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 45,629 psi | 74% | 2907 fps | 99.8% |
| Vihtavuori N130 | <<locked>> | 84% | 53,998 psi | 87% | 2799 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 54,215 psi | 87% | 2815 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 55,419 psi | 89% | 2897 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 53,345 psi | 86% | 2867 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 52,924 psi | 85% | 2887 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 53,737 psi | 87% | 2959 fps | 98.8% |
| Vihtavuori N530 | <<locked>> | 86% | 53,171 psi | 86% | 2890 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 92% | 54,694 psi | 88% | 2907 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 52,707 psi | 85% | 2959 fps | 98.5% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 38,101 psi | 61% | 2759 fps | 96.4% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 54,404 psi | 88% | 2936 fps | 99.9% |
| Winchester 748 | <<locked>> | 86% | 52,475 psi | 85% | 2933 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 55,100 psi | 89% | 3022 fps | 96.9% |
| Winchester StaBALL Match | <<locked>> | 90% | 55,288 psi | 89% | 2969 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% | 45,281 psi | 73% | 2703 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 49,429 psi | 80% | 2812 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 37,666 psi | 61% | 2615 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 44,382 psi | 72% | 2762 fps | 99.9% |
| Accurate 4064 | <<locked>> | 80% | 35,636 psi | 57% | 2598 fps | 99.5% |
| Accurate 4350 | <<locked>> | 92% | 39,102 psi | 63% | 2733 fps | 95.9% |
| ADI AR 2206H | <<locked>> | 80% | 41,640 psi | 67% | 2717 fps | 97.8% |
| ADI AR 2208 | <<locked>> | 80% | 35,375 psi | 57% | 2559 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 43,642 psi | 70% | 2733 fps | 99.1% |
| Alliant AR-Comp | <<locked>> | 80% | 43,279 psi | 70% | 2726 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 50,836 psi | 82% | 2940 fps | 99.6% |
| Alliant Power Pro 2000-MR | 31.9 gr | 80% | 37,449 psi | 60% | 2720 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 34,722 psi | 56% | 2579 fps | 96.9% |
| Alliant Reloder-10x | <<locked>> | 80% | 50,966 psi | 82% | 2802 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 37,420 psi | 60% | 2644 fps | 96.1% |
| Alliant Reloder-16 | <<locked>> | 90% | 37,086 psi | 60% | 2690 fps | 95.1% |
| Alliant Reloder-17 | 33 gr | 84% | 34,142 psi | 55% | 2648 fps | 95.9% |
| Alliant Reloder-23 | <<locked>> | 98% | 33,475 psi | 54% | 2625 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 40,727 psi | 66% | 2717 fps | 96.5% |
| Bofors RP3 | <<locked>> | 80% | 34,156 psi | 55% | 2579 fps | 96.8% |
| Bofors RP7 | <<locked>> | 96% | 51,706 psi | 83% | 2874 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 45,411 psi | 73% | 2723 fps | 99.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 41,959 psi | 68% | 2743 fps | 99.3% |
| Hodgdon CFE223 | <<locked>> | 80% | 46,311 psi | 75% | 2887 fps | 98.4% |
| Hodgdon H322 | <<locked>> | 80% | 50,024 psi | 81% | 2838 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 50,560 psi | 82% | 2858 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 40,306 psi | 65% | 2700 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 96% | 47,993 psi | 77% | 2900 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 41,959 psi | 68% | 2730 fps | 98.4% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 31,720 psi | 51% | 2523 fps | 95% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 37,710 psi | 61% | 2690 fps | 97.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,063 psi | 42% | 1604 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,321 psi | 65% | 2680 fps | 98% |
| IMR 3031 | <<locked>> | 80% | 41,278 psi | 67% | 2733 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,101 psi | 60% | 2595 fps | 96.1% |
| IMR 4166 Enduron | <<locked>> | 86% | 47,718 psi | 77% | 2776 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 51,198 psi | 83% | 2766 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 94% | 50,473 psi | 81% | 2854 fps | 95.6% |
| IMR 4831 | <<locked>> | 92% | 37,811 psi | 61% | 2687 fps | 95.6% |
| IMR 4895 | <<locked>> | 80% | 38,305 psi | 62% | 2677 fps | 97.1% |
| IMR 8208 XBR | <<locked>> | 80% | 43,642 psi | 70% | 2733 fps | 99.1% |
| Lovex D073.5 | <<locked>> | 80% | 49,313 psi | 80% | 2822 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 40,321 psi | 65% | 2697 fps | 99.6% |
| Lovex S060 | <<locked>> | 80% | 42,032 psi | 68% | 2661 fps | 97.9% |
| Lovex S062 | <<locked>> | 80% | 37,028 psi | 60% | 2605 fps | 97.9% |
| Lovex S065 | <<locked>> | 92% | 43,801 psi | 71% | 2740 fps | 95.6% |
| Lovex S070 | <<locked>> | 96% | 47,224 psi | 76% | 2825 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 40,640 psi | 66% | 2671 fps | 98.7% |
| Norma 202 | <<locked>> | 80% | 40,959 psi | 66% | 2684 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 36,811 psi | 59% | 2635 fps | 96.6% |
| Norma URP | <<locked>> | 90% | 36,985 psi | 60% | 2677 fps | 95% |
| Ramshot Big Game | <<locked>> | 80% | 36,056 psi | 58% | 2638 fps | 96.1% |
| Ramshot Hunter | <<locked>> | 96% | 44,164 psi | 71% | 2831 fps | 95.2% |
| Ramshot TAC | <<locked>> | 80% | 43,410 psi | 70% | 2723 fps | 95.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 42,685 psi | 69% | 2746 fps | 98% |
| Ramshot X-Terminator | <<locked>> | 80% | 47,108 psi | 76% | 2779 fps | 98.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,339 psi | 42% | 1644 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 49,023 psi | 79% | 2822 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 46,369 psi | 75% | 2789 fps | 95.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 38,928 psi | 63% | 2743 fps | 96.6% |
| ReloadSwiss RS 60 | 31.5 gr | 80% | 32,068 psi | 52% | 2602 fps | 97.6% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 38,769 psi | 63% | 2746 fps | 95.4% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 42,090 psi | 68% | 2818 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 44,657 psi | 72% | 2723 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 38,754 psi | 63% | 2621 fps | 98.3% |
| Rottweil R 903 | <<locked>> | 80% | 32,256 psi | 52% | 2523 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 96% | 51,706 psi | 83% | 2874 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 92% | 43,801 psi | 71% | 2740 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 40,321 psi | 65% | 2697 fps | 99.6% |
| Shooters World Precision | <<locked>> | 80% | 37,028 psi | 60% | 2605 fps | 97.9% |
| Shooters World SW4350 | <<locked>> | 96% | 47,224 psi | 76% | 2825 fps | 95.3% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 51,547 psi | 83% | 2835 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 33,286 psi | 54% | 2572 fps | 95% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 51,880 psi | 84% | 2825 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 41,756 psi | 67% | 2700 fps | 95.9% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,219 psi | 65% | 2684 fps | 97.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,424 psi | 68% | 2638 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,056 psi | 57% | 2497 fps | 99.7% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 49,980 psi | 81% | 2802 fps | 95.6% |
| Somchem S321 | <<locked>> | 80% | 47,181 psi | 76% | 2815 fps | 99.7% |
| Somchem S335 | <<locked>> | 80% | 41,669 psi | 67% | 2635 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 41,466 psi | 67% | 2700 fps | 97.7% |
| Somchem S355 | <<locked>> | 80% | 33,040 psi | 53% | 2530 fps | 95.8% |
| Somchem S365 | <<locked>> | 86% | 29,080 psi | 47% | 2510 fps | 95.4% |
| Vihtavuori N130 | <<locked>> | 80% | 47,935 psi | 77% | 2707 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 42,612 psi | 69% | 2635 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,101 psi | 61% | 2618 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 38,841 psi | 63% | 2621 fps | 99.8% |
| Vihtavuori N150 | <<locked>> | 80% | 31,560 psi | 51% | 2474 fps | 96.8% |
| Vihtavuori N160 | <<locked>> | 90% | 38,537 psi | 62% | 2677 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 43,555 psi | 70% | 2723 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 80% | 37,173 psi | 60% | 2602 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 90% | 38,072 psi | 61% | 2684 fps | 95.1% |
| Vihtavuori N555 | <<locked>> | 98% | 35,810 psi | 58% | 2707 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 32,126 psi | 52% | 2493 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 43,004 psi | 69% | 2769 fps | 99.6% |
| Winchester 760 | <<locked>> | 96% | 48,399 psi | 78% | 2910 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 39,363 psi | 63% | 2684 fps | 97.8% |
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 98 powders for 6 mm GT loaded with the .243 | 95gr | Norma FMJ. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,074 fps; across all powders the maximum-charge window runs from 1,795 fps to 3,074 fps. Accurate 4350 gives the best case fill at 100 %, and 98 of the 98 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (427 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 95.0 gr projectile in 0.243" calls for a 1:12.0 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. Alliant Power Pro 2000-MR, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for 6 mm GT with the .243 | 95gr | Norma FMJ 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.