Load Specifications
Load data in caliber 6 x 47 ATZL with .243 | 62gr | Lehigh Defense Controlled Chaos bullet and 26 powders. The key underlying parameters are shown in the table above.
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>> | 92% | 51,416 psi | 88% | 3123 fps | 99% |
| Accurate 2015ᴾ | <<locked>> | 100% | 40,132 psi | 68% | 3005 fps | 95.9% |
| Accurate LT-30 | <<locked>> | 98% | 51,735 psi | 88% | 3117 fps | 96.9% |
| ADI AR 2205 | <<locked>> | 84% | 51,430 psi | 88% | 3025 fps | 100% |
| ADI AR 2207 | <<locked>> | 98% | 52,852 psi | 90% | 3248 fps | 100% |
| ADI AR 2219ᴾ | <<locked>> | 100% | 52,170 psi | 89% | 3264 fps | 96.7% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 37,086 psi | 63% | 3015 fps | 97.5% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 46,383 psi | 79% | 3163 fps | 98.5% |
| Alliant Reloder-7 | <<locked>> | 96% | 52,098 psi | 89% | 3192 fps | 99.4% |
| Baschieri & Pellagri 106ᴾ | <<locked>> | 100% | 53,040 psi | 90% | 3150 fps | 97.5% |
| Hodgdon H4198 | <<locked>> | 94% | 50,792 psi | 86% | 3123 fps | 96.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 30,443 psi | 52% | 1952 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 49,313 psi | 84% | 3166 fps | 99.4% |
| IMR 4227 | <<locked>> | 90% | 50,749 psi | 86% | 3123 fps | 99.9% |
| Lovex D060 | <<locked>> | 84% | 51,329 psi | 87% | 3169 fps | 99.4% |
| Lovex S053 | <<locked>> | 92% | 52,199 psi | 89% | 3130 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 52,881 psi | 90% | 3261 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 29,704 psi | 51% | 1988 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 90% | 50,154 psi | 85% | 3153 fps | 99.9% |
| Shooters World Buffalo Rifle | <<locked>> | 84% | 51,329 psi | 87% | 3169 fps | 99.4% |
| Shooters World SOCOM | <<locked>> | 84% | 52,156 psi | 89% | 3133 fps | 99.8% |
| SNPE Vectan BA6 1/2 | <<locked>> | 96% | 52,866 psi | 90% | 2972 fps | 100% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 48,109 psi | 82% | 3169 fps | 96.9% |
| Vihtavuori N110 | <<locked>> | 86% | 51,343 psi | 87% | 3038 fps | 100% |
| Vihtavuori N120 | <<locked>> | 98% | 52,968 psi | 90% | 3196 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 45,266 psi | 77% | 3064 fps | 98% |
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 80% | 34,650 psi | 59% | 2782 fps | 95.3% |
| Accurate 2015 | <<locked>> | 98% | 37,289 psi | 63% | 2940 fps | 95% |
| Accurate LT-30 | <<locked>> | 94% | 45,876 psi | 78% | 3012 fps | 95.6% |
| ADI AR 2205 | <<locked>> | 80% | 45,049 psi | 77% | 2917 fps | 100% |
| ADI AR 2207 | <<locked>> | 80% | 29,994 psi | 51% | 2766 fps | 97.8% |
| ADI AR 2219 | <<locked>> | 96% | 45,614 psi | 78% | 3143 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 94% | 30,966 psi | 53% | 2838 fps | 95% |
| Alliant Reloder-10x | <<locked>> | 90% | 34,026 psi | 58% | 2887 fps | 95.3% |
| Alliant Reloder-7 | <<locked>> | 82% | 33,794 psi | 58% | 2812 fps | 95.7% |
| Baschieri & Pellagri 106 | <<locked>> | 94% | 43,700 psi | 74% | 2982 fps | 95.4% |
| Hodgdon H4198 | <<locked>> | 92% | 47,834 psi | 81% | 3068 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,263 psi | 38% | 1745 fps | 100% |
| IMR 4198 | <<locked>> | 86% | 32,866 psi | 56% | 2795 fps | 95.7% |
| IMR 4227 | <<locked>> | 80% | 37,623 psi | 64% | 2864 fps | 98.6% |
| Lovex D060 | <<locked>> | 80% | 45,542 psi | 78% | 3058 fps | 98.7% |
| Lovex S053 | <<locked>> | 80% | 36,695 psi | 62% | 2838 fps | 99.9% |
| Norma 200 | <<locked>> | 84% | 32,053 psi | 55% | 2822 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,785 psi | 37% | 1781 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 36,637 psi | 62% | 2881 fps | 98.2% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 45,542 psi | 78% | 3058 fps | 98.7% |
| Shooters World SOCOM | <<locked>> | 80% | 45,701 psi | 78% | 3018 fps | 99.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 34,519 psi | 59% | 2661 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 42,540 psi | 72% | 3058 fps | 95.5% |
| Vihtavuori N110 | <<locked>> | 80% | 42,888 psi | 73% | 2897 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 30,269 psi | 52% | 2740 fps | 98.8% |
| Vihtavuori N130 | <<locked>> | 92% | 35,056 psi | 60% | 2841 fps | 95.3% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 26 powders for 6 x 47 ATZL loaded with the .243 | 62gr | Lehigh Defense Controlled Chaos. ADI AR 2219 delivers the highest muzzle velocity at 3,264 fps; across all powders the maximum-charge window runs from 1,952 fps to 3,264 fps. Accurate 2015 gives the best case fill at 100 %, and 26 of the 26 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 51–90 %, leaving at least 10 % headroom. The 62.0 gr projectile in 0.243" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, ADI AR 2219, Alliant AR-Comp 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. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.