Load Specifications
Load data in caliber 6 x 47 ATZL with .243 | 75gr | Ferrobull Entox Sport bullet and 41 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2219, SNPE Vectan SP 10 and Hodgdon H335.
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>> | 88% | 50,285 psi | 86% | 2861 fps | 99.8% |
| Accurate 2015ᴾ | <<locked>> | 100% | 45,614 psi | 78% | 2871 fps | 99% |
| Accurate 2460ᴾ | <<locked>> | 100% | 51,314 psi | 87% | 2982 fps | 97.5% |
| Accurate 2495ᴾ | <<locked>> | 100% | 33,431 psi | 57% | 2707 fps | 96.8% |
| Accurate LT-30 | <<locked>> | 94% | 51,126 psi | 87% | 2867 fps | 98.6% |
| Accurate LT-32 | <<locked>> | 94% | 51,634 psi | 88% | 2874 fps | 97% |
| ADI AR 2205 | <<locked>> | 82% | 52,837 psi | 90% | 2782 fps | 100% |
| ADI AR 2207 | <<locked>> | 94% | 53,011 psi | 90% | 2969 fps | 100% |
| ADI AR 2219 | <<locked>> | 96% | 51,271 psi | 87% | 3009 fps | 98.6% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 42,322 psi | 72% | 2900 fps | 99.9% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 53,113 psi | 90% | 3015 fps | 100% |
| Alliant Reloder-7 | <<locked>> | 92% | 51,909 psi | 88% | 2933 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 96% | 52,228 psi | 89% | 2900 fps | 99% |
| Hodgdon H322ᴾ | <<locked>> | 100% | 52,562 psi | 89% | 3028 fps | 98.8% |
| Hodgdon H335 | <<locked>> | 98% | 50,676 psi | 86% | 2999 fps | 97.6% |
| Hodgdon H4198 | <<locked>> | 90% | 49,501 psi | 84% | 2861 fps | 97.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,183 psi | 53% | 1781 fps | 100% |
| IMR 3031ᴾ | <<locked>> | 100% | 40,292 psi | 69% | 2867 fps | 97.2% |
| IMR 4198 | <<locked>> | 98% | 52,112 psi | 89% | 2949 fps | 100% |
| IMR 4227 | <<locked>> | 88% | 52,910 psi | 90% | 2890 fps | 100% |
| Lovex D060 | <<locked>> | 82% | 52,910 psi | 90% | 2933 fps | 100% |
| Lovex D073.4 | <<locked>> | 94% | 52,953 psi | 90% | 3015 fps | 97.1% |
| Lovex D073.5ᴾ | <<locked>> | 100% | 51,634 psi | 88% | 2979 fps | 96.2% |
| Lovex S053 | <<locked>> | 88% | 51,242 psi | 87% | 2838 fps | 100% |
| Norma 200 | <<locked>> | 94% | 49,429 psi | 84% | 2940 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 30,995 psi | 53% | 1824 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 88% | 52,852 psi | 90% | 2930 fps | 100% |
| ReloadSwiss RS 40ᴾ | <<locked>> | 100% | 52,649 psi | 90% | 3002 fps | 96.9% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 44,483 psi | 76% | 2858 fps | 96.1% |
| Shooters World AR Plus | <<locked>> | 94% | 52,953 psi | 90% | 3015 fps | 97.1% |
| Shooters World Buffalo Rifle | <<locked>> | 82% | 52,910 psi | 90% | 2933 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 92% | 52,112 psi | 89% | 2690 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 96% | 51,648 psi | 88% | 3009 fps | 97.7% |
| SNPE Vectan SP 3 | <<locked>> | 98% | 50,865 psi | 87% | 2969 fps | 99.1% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 44,831 psi | 76% | 2792 fps | 96.2% |
| Somchem S335ᴾ | <<locked>> | 100% | 43,149 psi | 73% | 2792 fps | 96.9% |
| Vihtavuori N110 | <<locked>> | 82% | 50,285 psi | 86% | 2743 fps | 100% |
| Vihtavuori N120 | <<locked>> | 94% | 53,156 psi | 90% | 2920 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 50,604 psi | 86% | 2907 fps | 99.8% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 43,859 psi | 75% | 2802 fps | 98.6% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 35,824 psi | 61% | 2733 fps | 97.2% |
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% | 38,450 psi | 65% | 2648 fps | 98.5% |
| Accurate 2015 | <<locked>> | 88% | 31,053 psi | 53% | 2566 fps | 95.3% |
| Accurate 2460 | <<locked>> | 94% | 41,249 psi | 70% | 2805 fps | 95.2% |
| Accurate 2495 | <<locked>> | 96% | 29,153 psi | 50% | 2598 fps | 95.1% |
| Accurate LT-30 | <<locked>> | 84% | 37,275 psi | 63% | 2608 fps | 95.7% |
| Accurate LT-32 | <<locked>> | 90% | 45,252 psi | 77% | 2762 fps | 95.6% |
| ADI AR 2205 | <<locked>> | 80% | 49,719 psi | 85% | 2736 fps | 100% |
| ADI AR 2207 | <<locked>> | 80% | 33,808 psi | 58% | 2625 fps | 99.8% |
| ADI AR 2219 | 23.4 gr | 86% | 36,593 psi | 62% | 2723 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 84% | 25,295 psi | 43% | 2457 fps | 95% |
| Alliant Reloder-10x | <<locked>> | 80% | 27,978 psi | 48% | 2497 fps | 95.4% |
| Alliant Reloder-7 | <<locked>> | 80% | 35,389 psi | 60% | 2621 fps | 98.3% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 35,259 psi | 60% | 2585 fps | 95.4% |
| Hodgdon H322 | <<locked>> | 90% | 38,000 psi | 65% | 2753 fps | 95.6% |
| Hodgdon H335 | 25.9 gr | 92% | 41,191 psi | 70% | 2822 fps | 95.4% |
| Hodgdon H4198 | <<locked>> | 82% | 38,769 psi | 66% | 2654 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,684 psi | 39% | 1588 fps | 100% |
| IMR 3031 | <<locked>> | 96% | 35,563 psi | 61% | 2759 fps | 95.7% |
| IMR 4198 | <<locked>> | 80% | 30,487 psi | 52% | 2510 fps | 97.2% |
| IMR 4227 | <<locked>> | 80% | 41,524 psi | 71% | 2700 fps | 100% |
| Lovex D060 | <<locked>> | 80% | 49,777 psi | 85% | 2881 fps | 100% |
| Lovex D073.4 | <<locked>> | 90% | 45,310 psi | 77% | 2887 fps | 95.5% |
| Lovex D073.5 | <<locked>> | 98% | 47,776 psi | 81% | 2917 fps | 95.3% |
| Lovex S053 | <<locked>> | 80% | 40,480 psi | 69% | 2661 fps | 100% |
| Norma 200 | <<locked>> | 80% | 31,415 psi | 53% | 2575 fps | 97.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,263 psi | 38% | 1621 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 40,785 psi | 69% | 2726 fps | 99.9% |
| ReloadSwiss RS 40 | <<locked>> | 96% | 45,992 psi | 78% | 2887 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 98% | 41,814 psi | 71% | 2805 fps | 95.4% |
| Shooters World AR Plus | <<locked>> | 90% | 45,310 psi | 77% | 2887 fps | 95.5% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 49,777 psi | 85% | 2881 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 37,739 psi | 64% | 2470 fps | 100% |
| SNPE Vectan SP 10 | 25.4 gr | 90% | 42,511 psi | 72% | 2844 fps | 95.7% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 34,809 psi | 59% | 2654 fps | 95.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 98% | 42,061 psi | 72% | 2743 fps | 95.5% |
| Somchem S335 | <<locked>> | 96% | 38,218 psi | 65% | 2694 fps | 95.6% |
| Vihtavuori N110 | <<locked>> | 80% | 47,732 psi | 81% | 2703 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 34,026 psi | 58% | 2592 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 28,863 psi | 49% | 2461 fps | 95.4% |
| Vihtavuori N133 | <<locked>> | 90% | 32,184 psi | 55% | 2552 fps | 95.4% |
| Vihtavuori N135 | <<locked>> | 96% | 31,575 psi | 54% | 2628 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 41 powders for 6 x 47 ATZL loaded with the .243 | 75gr | Ferrobull Entox Sport. Hodgdon H322 delivers the highest muzzle velocity at 3,028 fps; across all powders the maximum-charge window runs from 1,781 fps to 3,028 fps. Accurate 2015 gives the best case fill at 100 %, and 41 of the 41 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. The 75.0 gr projectile in 0.243" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2460, Accurate 2495 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, SNPE Vectan SP 10, Hodgdon H335 rank at the top here: for 6 x 47 ATZL with the .243 | 75gr | Ferrobull Entox Sport 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.