
Load Specifications
Load data in caliber 6 mm GT with .243 | 80gr | Remington HP Power-Lokt bullet and 85 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 Hodgdon CFE223.
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>> | 90% | 54,085 psi | 87% | 3081 fps | 100% |
| Accurate 2200 | <<locked>> | 82% | 54,534 psi | 88% | 3176 fps | 97.8% |
| Accurate 2230 | <<locked>> | 82% | 55,259 psi | 89% | 3182 fps | 98.2% |
| Accurate 2460 | <<locked>> | 86% | 52,721 psi | 85% | 3100 fps | 100% |
| Accurate 2495 | <<locked>> | 96% | 54,998 psi | 89% | 3143 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 54,114 psi | 87% | 3159 fps | 99.9% |
| Accurate 4064 | <<locked>> | 98% | 54,375 psi | 88% | 3176 fps | 100% |
| Accurate LT-30 | <<locked>> | 84% | 54,433 psi | 88% | 3031 fps | 100% |
| Accurate LT-32 | <<locked>> | 84% | 54,853 psi | 88% | 3054 fps | 99.9% |
| ADI AR 2206H | <<locked>> | 92% | 53,127 psi | 86% | 3156 fps | 98.4% |
| ADI AR 2207 | <<locked>> | 82% | 55,782 psi | 90% | 3061 fps | 100% |
| ADI AR 2208 | <<locked>> | 98% | 54,230 psi | 87% | 3150 fps | 97.9% |
| ADI AR 2219 | <<locked>> | 84% | 54,911 psi | 89% | 3159 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 92% | 55,898 psi | 90% | 3173 fps | 99.5% |
| Alliant AR-Comp | <<locked>> | 92% | 55,361 psi | 89% | 3166 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 53,882 psi | 87% | 3232 fps | 98.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 52,823 psi | 85% | 3258 fps | 97.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 53,330 psi | 86% | 3173 fps | 99.1% |
| Alliant Reloder-10x | <<locked>> | 86% | 54,201 psi | 87% | 3100 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 54,056 psi | 87% | 3189 fps | 98.1% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 50,749 psi | 82% | 3222 fps | 98.5% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 53,388 psi | 86% | 3018 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 53,214 psi | 86% | 3166 fps | 97.4% |
| Bofors RP3 | <<locked>> | 98% | 53,722 psi | 87% | 3189 fps | 99.2% |
| Hodgdon Benchmark | <<locked>> | 90% | 55,100 psi | 89% | 3114 fps | 99.7% |
| Hodgdon BL-C2 | <<locked>> | 92% | 55,027 psi | 89% | 3202 fps | 99.7% |
| Hodgdon CFE223 | <<locked>> | 88% | 52,837 psi | 85% | 3235 fps | 97.9% |
| Hodgdon H322 | <<locked>> | 86% | 53,476 psi | 86% | 3136 fps | 100% |
| Hodgdon H335 | <<locked>> | 86% | 54,534 psi | 88% | 3156 fps | 100% |
| Hodgdon H380 | <<locked>> | 98% | 55,550 psi | 90% | 3196 fps | 97.1% |
| Hodgdon H4895 | <<locked>> | 92% | 53,534 psi | 86% | 3169 fps | 98.9% |
| Hodgdon LEVERevolution | <<locked>> | 96% | 55,709 psi | 90% | 3255 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,200 psi | 55% | 1939 fps | 100% |
| Hodgdon VARGET | <<locked>> | 94% | 55,434 psi | 89% | 3179 fps | 99% |
| IMR 3031 | <<locked>> | 94% | 56,101 psi | 90% | 3225 fps | 100% |
| IMR 4064 | <<locked>> | 96% | 53,795 psi | 87% | 3133 fps | 98% |
| IMR 4198 | <<locked>> | 86% | 54,679 psi | 88% | 3064 fps | 100% |
| IMR 4895 | <<locked>> | 96% | 55,434 psi | 89% | 3228 fps | 98.8% |
| IMR 8208 XBR | <<locked>> | 92% | 55,898 psi | 90% | 3173 fps | 99.5% |
| Lovex D073.5 | <<locked>> | 86% | 52,547 psi | 85% | 3100 fps | 99.6% |
| Lovex D073.6 | <<locked>> | 94% | 55,985 psi | 90% | 3199 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 53,766 psi | 87% | 3087 fps | 98.4% |
| Lovex S062 | <<locked>> | 96% | 53,171 psi | 86% | 3136 fps | 99.3% |
| Norma 200 | <<locked>> | 82% | 53,940 psi | 87% | 3068 fps | 100% |
| Norma 201 | <<locked>> | 94% | 55,317 psi | 89% | 3159 fps | 99.5% |
| Norma 202 | <<locked>> | 94% | 55,622 psi | 90% | 3173 fps | 100% |
| Norma 203B | <<locked>> | 96% | 53,156 psi | 86% | 3179 fps | 98.4% |
| Ramshot Big Game | <<locked>> | 96% | 53,940 psi | 87% | 3205 fps | 98.4% |
| Ramshot TAC | <<locked>> | 90% | 53,330 psi | 86% | 3117 fps | 96% |
| Ramshot Wild Boar | <<locked>> | 92% | 55,956 psi | 90% | 3205 fps | 98.7% |
| Ramshot X-Terminator | <<locked>> | 88% | 54,360 psi | 88% | 3120 fps | 98.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,650 psi | 56% | 1988 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 55,999 psi | 90% | 3166 fps | 99.9% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 53,635 psi | 87% | 3258 fps | 98% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 54,201 psi | 87% | 3301 fps | 100% |
| Rottweil R 901 | <<locked>> | 90% | 53,084 psi | 86% | 3100 fps | 100% |
| Rottweil R 902 | <<locked>> | 96% | 55,492 psi | 90% | 3153 fps | 99.5% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 53,069 psi | 86% | 3166 fps | 98.9% |
| Shooters World Match Rifle | <<locked>> | 94% | 55,985 psi | 90% | 3199 fps | 100% |
| Shooters World Precision | <<locked>> | 96% | 53,171 psi | 86% | 3136 fps | 99.3% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 52,431 psi | 85% | 3071 fps | 98.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 54,926 psi | 89% | 2782 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 55,201 psi | 89% | 3163 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 55,114 psi | 89% | 3232 fps | 98.6% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 54,824 psi | 88% | 3117 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 92% | 54,708 psi | 88% | 3146 fps | 96.8% |
| SNPE Vectan SP 9 | <<locked>> | 94% | 55,056 psi | 89% | 3179 fps | 98.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 54,534 psi | 88% | 3064 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 53,867 psi | 87% | 3054 fps | 100% |
| Somchem S321 | <<locked>> | 88% | 53,780 psi | 87% | 3153 fps | 99.5% |
| Somchem S335 | <<locked>> | 92% | 53,359 psi | 86% | 3061 fps | 100% |
| Somchem S341 | <<locked>> | 92% | 54,447 psi | 88% | 3150 fps | 98.4% |
| Somchem S355ᴾ | <<locked>> | 100% | 53,867 psi | 87% | 3169 fps | 98.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 38,740 psi | 62% | 2963 fps | 97% |
| Vihtavuori N120 | <<locked>> | 82% | 55,608 psi | 90% | 3002 fps | 100% |
| Vihtavuori N130 | <<locked>> | 88% | 53,911 psi | 87% | 3038 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 54,317 psi | 88% | 3058 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 54,578 psi | 88% | 3133 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 56,043 psi | 90% | 3143 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 52,098 psi | 84% | 3100 fps | 99.4% |
| Vihtavuori N530 | <<locked>> | 90% | 53,447 psi | 86% | 3123 fps | 99.3% |
| Vihtavuori N540 | <<locked>> | 96% | 54,476 psi | 88% | 3140 fps | 100% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 47,732 psi | 77% | 3028 fps | 97.9% |
| Winchester 748 | <<locked>> | 92% | 55,651 psi | 90% | 3222 fps | 99.8% |
| Winchester StaBALL Match | <<locked>> | 94% | 54,839 psi | 88% | 3189 fps | 99% |
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% | 39,465 psi | 64% | 2822 fps | 99.9% |
| Accurate 2200 | <<locked>> | 80% | 50,836 psi | 82% | 3110 fps | 97.1% |
| Accurate 2230 | <<locked>> | 80% | 51,459 psi | 83% | 3117 fps | 97.6% |
| Accurate 2460 | <<locked>> | 80% | 42,902 psi | 69% | 2923 fps | 99.2% |
| Accurate 2495 | <<locked>> | 80% | 32,111 psi | 52% | 2707 fps | 99.3% |
| Accurate 2520 | <<locked>> | 80% | 38,334 psi | 62% | 2861 fps | 98.1% |
| Accurate 4064 | <<locked>> | 80% | 30,356 psi | 49% | 2674 fps | 96.7% |
| Accurate LT-30 | <<locked>> | 80% | 47,935 psi | 77% | 2927 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 48,240 psi | 78% | 2943 fps | 99.6% |
| ADI AR 2206H | <<locked>> | 84% | 41,220 psi | 66% | 2920 fps | 95.7% |
| ADI AR 2207 | <<locked>> | 80% | 52,446 psi | 85% | 3012 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 42,380 psi | 68% | 2920 fps | 95.2% |
| ADI AR 2219 | <<locked>> | 80% | 47,645 psi | 77% | 3038 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 38,232 psi | 62% | 2825 fps | 96.2% |
| Alliant AR-Comp | <<locked>> | 80% | 37,043 psi | 60% | 2854 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 43,918 psi | 71% | 3038 fps | 97.1% |
| Alliant Power Pro 2000-MR | 35.9 gr | 90% | 46,035 psi | 74% | 3123 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 36,405 psi | 59% | 2828 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 45,136 psi | 73% | 2949 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 41,829 psi | 67% | 2953 fps | 95.3% |
| Alliant Reloder-17 | <<locked>> | 92% | 38,595 psi | 62% | 2949 fps | 95% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 46,963 psi | 76% | 2913 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 46,093 psi | 74% | 3035 fps | 95.8% |
| Bofors RP3 | <<locked>> | 86% | 35,563 psi | 57% | 2818 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 40,538 psi | 65% | 2838 fps | 97.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 36,332 psi | 59% | 2831 fps | 96.3% |
| Hodgdon CFE223 | 33.5 gr | 82% | 42,931 psi | 69% | 3038 fps | 95.5% |
| Hodgdon H322 | <<locked>> | 80% | 43,584 psi | 70% | 2963 fps | 99.8% |
| Hodgdon H335 | <<locked>> | 80% | 44,425 psi | 72% | 2979 fps | 99.5% |
| Hodgdon H380 | <<locked>> | 94% | 48,240 psi | 78% | 3068 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 82% | 39,073 psi | 63% | 2877 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 37,202 psi | 60% | 2881 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,411 psi | 41% | 1736 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 37,724 psi | 61% | 2828 fps | 95.1% |
| IMR 3031 | <<locked>> | 80% | 35,099 psi | 57% | 2828 fps | 99.2% |
| IMR 4064 | <<locked>> | 88% | 41,945 psi | 68% | 2907 fps | 95.4% |
| IMR 4198 | <<locked>> | 80% | 45,861 psi | 74% | 2920 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 40,263 psi | 65% | 2933 fps | 95.5% |
| IMR 8208 XBR | <<locked>> | 80% | 38,232 psi | 62% | 2825 fps | 96.2% |
| Lovex D073.5 | <<locked>> | 80% | 42,728 psi | 69% | 2920 fps | 98.3% |
| Lovex D073.6 | <<locked>> | 80% | 34,635 psi | 56% | 2782 fps | 97% |
| Lovex S060 | <<locked>> | 82% | 39,813 psi | 64% | 2815 fps | 95.3% |
| Lovex S062 | <<locked>> | 82% | 34,301 psi | 55% | 2740 fps | 95% |
| Norma 200 | <<locked>> | 80% | 50,734 psi | 82% | 3018 fps | 100% |
| Norma 201 | <<locked>> | 80% | 35,708 psi | 58% | 2762 fps | 95.5% |
| Norma 202 | <<locked>> | 80% | 35,766 psi | 58% | 2785 fps | 98% |
| Norma 203B | <<locked>> | 88% | 41,075 psi | 66% | 2940 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 88% | 41,075 psi | 66% | 2956 fps | 95.4% |
| Ramshot TAC | <<locked>> | 88% | 49,937 psi | 81% | 3054 fps | 95.2% |
| Ramshot Wild Boar | <<locked>> | 82% | 39,914 psi | 64% | 2894 fps | 95.2% |
| Ramshot X-Terminator | <<locked>> | 80% | 41,814 psi | 67% | 2881 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,585 psi | 41% | 1778 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 42,975 psi | 69% | 2933 fps | 98.7% |
| ReloadSwiss RS 52 | 34 gr | 88% | 43,656 psi | 70% | 3064 fps | 95.8% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 33,953 psi | 55% | 2838 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 39,146 psi | 63% | 2831 fps | 98.5% |
| Rottweil R 902 | <<locked>> | 82% | 36,143 psi | 58% | 2766 fps | 95.6% |
| Rottweil R 903 | <<locked>> | 90% | 38,087 psi | 61% | 2871 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 34,635 psi | 56% | 2782 fps | 97% |
| Shooters World Precision | <<locked>> | 82% | 34,301 psi | 55% | 2740 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 45,672 psi | 74% | 2946 fps | 97.8% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 52,170 psi | 84% | 2746 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 48,225 psi | 78% | 3045 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 39,943 psi | 64% | 2933 fps | 95.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 45,484 psi | 73% | 2959 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 47,587 psi | 77% | 3018 fps | 95.2% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 39,972 psi | 64% | 2887 fps | 95.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,318 psi | 60% | 2743 fps | 98.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,487 psi | 49% | 2585 fps | 97.4% |
| Somchem S321 | <<locked>> | 80% | 41,017 psi | 66% | 2910 fps | 97.4% |
| Somchem S335 | <<locked>> | 80% | 36,869 psi | 59% | 2746 fps | 98.9% |
| Somchem S341 | <<locked>> | 84% | 41,089 psi | 66% | 2897 fps | 95.5% |
| Somchem S355 | <<locked>> | 90% | 39,465 psi | 64% | 2887 fps | 95.8% |
| Somchem S365 | <<locked>> | 96% | 34,055 psi | 55% | 2835 fps | 95% |
| Vihtavuori N120 | <<locked>> | 80% | 52,344 psi | 84% | 2956 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 42,366 psi | 68% | 2841 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 37,347 psi | 60% | 2753 fps | 99.8% |
| Vihtavuori N135 | <<locked>> | 80% | 32,489 psi | 52% | 2710 fps | 99.3% |
| Vihtavuori N140 | <<locked>> | 80% | 33,591 psi | 54% | 2710 fps | 97.7% |
| Vihtavuori N150 | <<locked>> | 86% | 32,822 psi | 53% | 2703 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 38,290 psi | 62% | 2822 fps | 96.4% |
| Vihtavuori N540 | <<locked>> | 80% | 32,416 psi | 52% | 2690 fps | 96.8% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 39,160 psi | 63% | 2844 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 36,854 psi | 59% | 2854 fps | 96.9% |
| Winchester StaBALL Match | <<locked>> | 84% | 38,856 psi | 63% | 2881 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 85 powders for 6 mm GT loaded with the .243 | 80gr | Remington HP Power-Lokt. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,301 fps; across all powders the maximum-charge window runs from 1,939 fps to 3,301 fps. Alliant Reloder-17 gives the best case fill at 100 %, and 85 of the 85 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (427 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 80.0 gr projectile in 0.243" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-17, Hodgdon TrailBoss, ReloadSwiss RS 14 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, Hodgdon CFE223 rank at the top here: for 6 mm GT with the .243 | 80gr | Remington HP Power-Lokt 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.