Load Specifications
Load data in caliber 6 x 47 ATZL with .243 | 65gr | Berger Varmint bullet and 31 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2219, Norma 200 and ADI AR 2207.
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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Max Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 90% | 52,112 psi | 89% | 3097 fps | 99.5% |
| Accurate 2015ᴾ | <<locked>> | 100% | 43,555 psi | 74% | 3035 fps | 97.6% |
| Accurate LT-30 | <<locked>> | 96% | 52,359 psi | 89% | 3094 fps | 97.8% |
| Accurate LT-32 | <<locked>> | 96% | 52,881 psi | 90% | 3097 fps | 95.9% |
| ADI AR 2205 | <<locked>> | 82% | 51,198 psi | 87% | 2972 fps | 100% |
| ADI AR 2207 | <<locked>> | 94% | 50,575 psi | 86% | 3159 fps | 100% |
| ADI AR 2219 | <<locked>> | 98% | 52,837 psi | 90% | 3241 fps | 97.8% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 40,321 psi | 69% | 3058 fps | 99.1% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 50,720 psi | 86% | 3196 fps | 99.5% |
| Alliant Reloder-7 | <<locked>> | 94% | 52,649 psi | 90% | 3156 fps | 99.8% |
| Baschieri & Pellagri 106 | <<locked>> | 96% | 50,560 psi | 86% | 3071 fps | 97.8% |
| Hodgdon H322ᴾ | <<locked>> | 100% | 50,415 psi | 86% | 3199 fps | 97.3% |
| Hodgdon H335ᴾ | <<locked>> | 100% | 51,750 psi | 88% | 3219 fps | 96.5% |
| Hodgdon H4198 | <<locked>> | 92% | 51,082 psi | 87% | 3091 fps | 97.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 30,835 psi | 52% | 1929 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 52,750 psi | 90% | 3179 fps | 99.9% |
| IMR 4227 | <<locked>> | 88% | 51,372 psi | 87% | 3087 fps | 100% |
| Lovex D060 | <<locked>> | 82% | 51,227 psi | 87% | 3123 fps | 99.8% |
| Lovex S053 | <<locked>> | 90% | 52,286 psi | 89% | 3077 fps | 100% |
| Norma 200 | <<locked>> | 96% | 51,169 psi | 87% | 3182 fps | 99.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 30,618 psi | 52% | 1975 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 88% | 50,807 psi | 86% | 3120 fps | 100% |
| Shooters World Buffalo Rifle | <<locked>> | 82% | 51,227 psi | 87% | 3123 fps | 99.8% |
| Shooters World SOCOM | <<locked>> | 82% | 52,431 psi | 89% | 3094 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 94% | 52,924 psi | 90% | 2920 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 98% | 52,779 psi | 90% | 3232 fps | 96.7% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 51,576 psi | 88% | 3192 fps | 98.4% |
| Vihtavuori N110 | <<locked>> | 84% | 51,721 psi | 88% | 2986 fps | 100% |
| Vihtavuori N120 | <<locked>> | 94% | 50,705 psi | 86% | 3107 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 48,559 psi | 83% | 3081 fps | 99.1% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 42,003 psi | 72% | 2959 fps | 97.1% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 80% | 37,304 psi | 64% | 2808 fps | 97.1% |
| Accurate 2015 | <<locked>> | 94% | 36,332 psi | 62% | 2877 fps | 95.7% |
| Accurate LT-30 | <<locked>> | 88% | 40,727 psi | 69% | 2871 fps | 95.2% |
| Accurate LT-32 | <<locked>> | 94% | 49,414 psi | 84% | 3035 fps | 95.1% |
| ADI AR 2205 | <<locked>> | 80% | 47,776 psi | 81% | 2920 fps | 100% |
| ADI AR 2207 | 20.7 gr | 80% | 32,735 psi | 56% | 2792 fps | 99.1% |
| ADI AR 2219 | 26.3 gr | 92% | 43,279 psi | 74% | 3061 fps | 95.6% |
| Alliant AR-Comp | <<locked>> | 90% | 29,733 psi | 51% | 2772 fps | 95.6% |
| Alliant Reloder-10x | <<locked>> | 84% | 30,719 psi | 52% | 2753 fps | 95% |
| Alliant Reloder-7 | <<locked>> | 80% | 34,272 psi | 58% | 2782 fps | 96.8% |
| Baschieri & Pellagri 106 | <<locked>> | 88% | 38,957 psi | 66% | 2848 fps | 95.1% |
| Hodgdon H322 | <<locked>> | 94% | 41,785 psi | 71% | 3025 fps | 95.2% |
| Hodgdon H335 | <<locked>> | 96% | 45,556 psi | 78% | 3100 fps | 95% |
| Hodgdon H4198 | <<locked>> | 86% | 42,496 psi | 72% | 2923 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,843 psi | 39% | 1732 fps | 100% |
| IMR 4198 | <<locked>> | 80% | 29,501 psi | 50% | 2657 fps | 95.3% |
| IMR 4227 | <<locked>> | 80% | 39,900 psi | 68% | 2871 fps | 99.4% |
| Lovex D060 | <<locked>> | 80% | 48,399 psi | 82% | 3071 fps | 99.6% |
| Lovex S053 | <<locked>> | 80% | 39,044 psi | 66% | 2841 fps | 100% |
| Norma 200 | 21.6 gr | 80% | 30,516 psi | 52% | 2733 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,408 psi | 38% | 1765 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 39,349 psi | 67% | 2897 fps | 99.3% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 48,399 psi | 82% | 3071 fps | 99.6% |
| Shooters World SOCOM | <<locked>> | 80% | 48,936 psi | 83% | 3035 fps | 99.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 36,883 psi | 63% | 2657 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 94% | 46,470 psi | 79% | 3117 fps | 95.3% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 37,985 psi | 65% | 2917 fps | 95.2% |
| Vihtavuori N110 | <<locked>> | 80% | 45,687 psi | 78% | 2894 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 32,953 psi | 56% | 2762 fps | 99.7% |
| Vihtavuori N130 | <<locked>> | 86% | 31,865 psi | 54% | 2717 fps | 95.1% |
| Vihtavuori N133 | <<locked>> | 94% | 35,360 psi | 60% | 2808 fps | 95% |
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 31 powders for 6 x 47 ATZL loaded with the .243 | 65gr | Berger Varmint. ADI AR 2219 delivers the highest muzzle velocity at 3,241 fps; across all powders the maximum-charge window runs from 1,929 fps to 3,241 fps. Accurate 2015 gives the best case fill at 100 %, and 31 of the 31 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 52–90 %, leaving at least 10 % headroom. The 65.0 gr projectile in 0.243" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Alliant AR-Comp, Alliant Reloder-10x 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. ADI AR 2219, Norma 200, ADI AR 2207 rank at the top here: for 6 x 47 ATZL with the .243 | 65gr | Berger Varmint 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.