
Load Specifications
Load data in caliber 6 x 47 ATZL with .243 | 100gr | Sierra SP SemiSp bullet and 82 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 1200-R, Winchester 748 and Hodgdon BL-C2.
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>> | 82% | 51,837 psi | 88% | 2503 fps | 100% |
| Accurate 2015 | <<locked>> | 94% | 50,227 psi | 86% | 2559 fps | 100% |
| Accurate 2200 | <<locked>> | 86% | 51,677 psi | 88% | 2628 fps | 96.5% |
| Accurate 2230 | <<locked>> | 86% | 51,735 psi | 88% | 2635 fps | 96.9% |
| Accurate 2460 | <<locked>> | 92% | 52,388 psi | 89% | 2621 fps | 99.8% |
| Accurate 2495ᴾ | <<locked>> | 100% | 48,646 psi | 83% | 2598 fps | 100% |
| Accurate 2520 | <<locked>> | 96% | 52,924 psi | 90% | 2667 fps | 99.7% |
| Accurate 4064ᴾ | <<locked>> | 100% | 45,121 psi | 77% | 2575 fps | 99.6% |
| Accurate LT-30 | <<locked>> | 88% | 52,243 psi | 89% | 2520 fps | 100% |
| Accurate LT-32 | <<locked>> | 88% | 52,736 psi | 90% | 2533 fps | 99.6% |
| ADI AR 2206H | <<locked>> | 98% | 52,301 psi | 89% | 2657 fps | 97.5% |
| ADI AR 2207 | <<locked>> | 86% | 53,055 psi | 90% | 2549 fps | 100% |
| ADI AR 2219 | <<locked>> | 88% | 50,937 psi | 87% | 2621 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 96% | 52,286 psi | 89% | 2628 fps | 98.5% |
| Alliant AR-Comp | <<locked>> | 96% | 50,038 psi | 85% | 2628 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 92% | 52,692 psi | 90% | 2717 fps | 98.3% |
| Alliant Power Pro 2000-MRᴾ | <<locked>> | 100% | 52,475 psi | 89% | 2740 fps | 96.1% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 44,904 psi | 76% | 2566 fps | 97% |
| Alliant Reloder-10x | <<locked>> | 90% | 50,821 psi | 87% | 2575 fps | 100% |
| Alliant Reloder-15ᴾ | <<locked>> | 100% | 49,081 psi | 84% | 2628 fps | 96.3% |
| Alliant Reloder-7 | <<locked>> | 84% | 51,024 psi | 87% | 2520 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 88% | 51,314 psi | 87% | 2523 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 98% | 52,228 psi | 89% | 2667 fps | 96.2% |
| Bofors RP3ᴾ | <<locked>> | 100% | 44,382 psi | 76% | 2569 fps | 97% |
| Hodgdon Benchmark | <<locked>> | 94% | 52,025 psi | 89% | 2579 fps | 98.9% |
| Hodgdon BL-C2 | <<locked>> | 96% | 49,661 psi | 85% | 2648 fps | 98.7% |
| Hodgdon CFE223 | <<locked>> | 94% | 52,054 psi | 89% | 2726 fps | 96.9% |
| Hodgdon H322 | <<locked>> | 92% | 52,895 psi | 90% | 2648 fps | 100% |
| Hodgdon H335 | <<locked>> | 90% | 50,459 psi | 86% | 2621 fps | 99.7% |
| Hodgdon H4198 | <<locked>> | 84% | 51,169 psi | 87% | 2520 fps | 99.9% |
| Hodgdon H4895 | <<locked>> | 98% | 52,591 psi | 90% | 2667 fps | 98.1% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 50,647 psi | 86% | 2687 fps | 98.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,040 psi | 56% | 1555 fps | 100% |
| Hodgdon VARGET | <<locked>> | 98% | 51,097 psi | 87% | 2625 fps | 97.7% |
| IMR 3031 | <<locked>> | 98% | 50,836 psi | 87% | 2674 fps | 100% |
| IMR 4064ᴾ | <<locked>> | 100% | 49,734 psi | 85% | 2585 fps | 96.4% |
| IMR 4198 | <<locked>> | 90% | 52,025 psi | 89% | 2546 fps | 100% |
| IMR 4895ᴾ | <<locked>> | 100% | 50,183 psi | 85% | 2664 fps | 97.3% |
| IMR 8208 XBR | <<locked>> | 96% | 52,286 psi | 89% | 2628 fps | 98.5% |
| Lovex D073.4 | <<locked>> | 86% | 52,678 psi | 90% | 2631 fps | 99.5% |
| Lovex D073.5 | <<locked>> | 92% | 52,083 psi | 89% | 2621 fps | 99.2% |
| Lovex D073.6 | <<locked>> | 98% | 50,067 psi | 85% | 2641 fps | 99.4% |
| Lovex S060 | <<locked>> | 96% | 50,720 psi | 86% | 2556 fps | 97.1% |
| Lovex S062ᴾ | <<locked>> | 100% | 48,196 psi | 82% | 2582 fps | 98% |
| Norma 200 | <<locked>> | 86% | 50,923 psi | 87% | 2556 fps | 100% |
| Norma 201 | <<locked>> | 98% | 51,343 psi | 87% | 2615 fps | 98.5% |
| Norma 202 | <<locked>> | 98% | 51,068 psi | 87% | 2628 fps | 99.8% |
| Norma 203Bᴾ | <<locked>> | 100% | 48,109 psi | 82% | 2618 fps | 96.8% |
| Ramshot Big Gameᴾ | <<locked>> | 100% | 49,284 psi | 84% | 2644 fps | 96.5% |
| Ramshot Wild Boar | <<locked>> | 96% | 51,300 psi | 87% | 2648 fps | 97.2% |
| Ramshot X-Terminator | <<locked>> | 92% | 51,169 psi | 87% | 2585 fps | 97% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,228 psi | 57% | 1594 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 92% | 52,344 psi | 89% | 2628 fps | 99.4% |
| ReloadSwiss RS 52ᴾ | <<locked>> | 100% | 51,851 psi | 88% | 2736 fps | 96.8% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 43,033 psi | 73% | 2598 fps | 97.9% |
| Rottweil R 901 | <<locked>> | 96% | 52,127 psi | 89% | 2608 fps | 99.7% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 51,285 psi | 87% | 2605 fps | 98.4% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 41,553 psi | 71% | 2510 fps | 95.9% |
| Shooters World AR Plus | <<locked>> | 86% | 52,678 psi | 90% | 2631 fps | 99.5% |
| Shooters World Match Rifle | <<locked>> | 98% | 50,067 psi | 85% | 2641 fps | 99.4% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 48,196 psi | 82% | 2582 fps | 98% |
| Shooters World Tactical Rifle | <<locked>> | 88% | 49,530 psi | 84% | 2546 fps | 97.7% |
| SNPE Vectan BA6 1/2 | <<locked>> | 84% | 51,242 psi | 87% | 2287 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 88% | 51,837 psi | 88% | 2635 fps | 99.8% |
| SNPE Vectan SP 3 | <<locked>> | 90% | 51,459 psi | 88% | 2585 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 98% | 51,068 psi | 87% | 2635 fps | 97.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 96% | 50,995 psi | 87% | 2536 fps | 99.7% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 46,644 psi | 79% | 2487 fps | 99.8% |
| Somchem S321 | <<locked>> | 94% | 53,113 psi | 90% | 2664 fps | 98.9% |
| Somchem S335 | <<locked>> | 98% | 52,939 psi | 90% | 2582 fps | 100% |
| Somchem S341 | <<locked>> | 96% | 49,719 psi | 85% | 2598 fps | 96.8% |
| Somchem S355ᴾ | <<locked>> | 100% | 43,004 psi | 73% | 2520 fps | 96.1% |
| Vihtavuori N120 | <<locked>> | 86% | 53,026 psi | 90% | 2503 fps | 100% |
| Vihtavuori N130 | <<locked>> | 92% | 50,966 psi | 87% | 2526 fps | 100% |
| Vihtavuori N133 | <<locked>> | 96% | 50,372 psi | 86% | 2533 fps | 100% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 49,037 psi | 83% | 2592 fps | 100% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 51,793 psi | 88% | 2612 fps | 99.9% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 41,510 psi | 71% | 2467 fps | 97.1% |
| Vihtavuori N530 | <<locked>> | 96% | 53,069 psi | 90% | 2631 fps | 98.7% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 49,690 psi | 85% | 2602 fps | 99.6% |
| Winchester 748 | <<locked>> | 96% | 51,024 psi | 87% | 2671 fps | 99.1% |
| Winchester StaBALL Match | <<locked>> | 98% | 49,879 psi | 85% | 2635 fps | 97.6% |
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% | 48,283 psi | 82% | 2454 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 32,605 psi | 56% | 2257 fps | 98.9% |
| Accurate 2200 | <<locked>> | 84% | 48,559 psi | 83% | 2579 fps | 95.8% |
| Accurate 2230 | <<locked>> | 82% | 45,078 psi | 77% | 2526 fps | 95.4% |
| Accurate 2460 | <<locked>> | 80% | 34,650 psi | 59% | 2320 fps | 97% |
| Accurate 2495 | <<locked>> | 80% | 24,889 psi | 42% | 2136 fps | 97% |
| Accurate 2520 | <<locked>> | 82% | 32,590 psi | 55% | 2316 fps | 95.8% |
| Accurate 4064 | <<locked>> | 84% | 27,151 psi | 46% | 2208 fps | 95% |
| Accurate LT-30 | <<locked>> | 80% | 41,133 psi | 70% | 2346 fps | 99.4% |
| Accurate LT-32 | <<locked>> | 80% | 41,510 psi | 71% | 2356 fps | 98.1% |
| ADI AR 2206H | <<locked>> | 92% | 43,294 psi | 74% | 2510 fps | 95.5% |
| ADI AR 2207 | <<locked>> | 80% | 44,034 psi | 75% | 2425 fps | 100% |
| ADI AR 2219 | <<locked>> | 80% | 39,247 psi | 67% | 2431 fps | 99.1% |
| ADI Benchmark 8208 | <<locked>> | 86% | 38,435 psi | 65% | 2392 fps | 95.6% |
| Alliant AR-Comp | <<locked>> | 80% | 29,762 psi | 51% | 2270 fps | 99.8% |
| Alliant Power Pro 1200-R | 22 gr | 84% | 40,640 psi | 69% | 2510 fps | 95.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 98% | 48,805 psi | 83% | 2677 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 37,449 psi | 64% | 2428 fps | 95% |
| Alliant Reloder-10x | <<locked>> | 80% | 37,318 psi | 64% | 2359 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 98% | 46,267 psi | 79% | 2582 fps | 95.7% |
| Alliant Reloder-7 | <<locked>> | 80% | 45,252 psi | 77% | 2438 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 39,624 psi | 67% | 2343 fps | 99.3% |
| Baschieri & Pellagri 107 | <<locked>> | 96% | 48,675 psi | 83% | 2612 fps | 95.4% |
| Bofors RP3 | <<locked>> | 96% | 39,059 psi | 66% | 2474 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 82% | 36,347 psi | 62% | 2306 fps | 95.6% |
| Hodgdon BL-C2 | 24 gr | 86% | 35,360 psi | 60% | 2392 fps | 95.4% |
| Hodgdon CFE223 | <<locked>> | 90% | 45,658 psi | 78% | 2621 fps | 95.3% |
| Hodgdon H322 | <<locked>> | 80% | 35,940 psi | 61% | 2365 fps | 98.4% |
| Hodgdon H335 | <<locked>> | 80% | 36,042 psi | 61% | 2372 fps | 97.6% |
| Hodgdon H4198 | <<locked>> | 80% | 45,353 psi | 77% | 2431 fps | 99.5% |
| Hodgdon H4895 | <<locked>> | 90% | 40,988 psi | 70% | 2474 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 39,117 psi | 67% | 2480 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,700 psi | 42% | 1391 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 39,784 psi | 68% | 2431 fps | 95% |
| IMR 3031 | <<locked>> | 80% | 28,558 psi | 49% | 2247 fps | 97% |
| IMR 4064 | <<locked>> | 96% | 44,092 psi | 75% | 2493 fps | 95.1% |
| IMR 4198 | <<locked>> | 80% | 38,595 psi | 66% | 2343 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 41,858 psi | 71% | 2520 fps | 95.3% |
| IMR 8208 XBR | <<locked>> | 86% | 38,435 psi | 65% | 2392 fps | 95.6% |
| Lovex D073.4 | <<locked>> | 80% | 42,627 psi | 73% | 2477 fps | 98.2% |
| Lovex D073.5 | <<locked>> | 80% | 34,447 psi | 59% | 2316 fps | 95.5% |
| Lovex D073.6 | <<locked>> | 84% | 31,125 psi | 53% | 2293 fps | 95.2% |
| Lovex S060 | <<locked>> | 90% | 42,627 psi | 73% | 2421 fps | 95.3% |
| Lovex S062 | <<locked>> | 92% | 37,927 psi | 65% | 2402 fps | 95.6% |
| Norma 200 | <<locked>> | 80% | 41,989 psi | 71% | 2421 fps | 100% |
| Norma 201 | <<locked>> | 88% | 37,579 psi | 64% | 2379 fps | 95.5% |
| Norma 202 | <<locked>> | 80% | 29,167 psi | 50% | 2215 fps | 95.2% |
| Norma 203B | <<locked>> | 96% | 42,641 psi | 73% | 2523 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 98% | 45,963 psi | 78% | 2589 fps | 95.7% |
| Ramshot Wild Boar | <<locked>> | 90% | 42,003 psi | 72% | 2493 fps | 95% |
| Ramshot X-Terminator | <<locked>> | 88% | 45,136 psi | 77% | 2490 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,540 psi | 42% | 1424 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 35,665 psi | 61% | 2336 fps | 96.4% |
| ReloadSwiss RS 52 | <<locked>> | 96% | 45,281 psi | 77% | 2628 fps | 95.3% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 35,752 psi | 61% | 2438 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 32,489 psi | 55% | 2251 fps | 96.2% |
| Rottweil R 902 | <<locked>> | 90% | 37,956 psi | 65% | 2379 fps | 95.5% |
| Rottweil R 903 | <<locked>> | 98% | 38,522 psi | 66% | 2454 fps | 95% |
| Shooters World AR Plus | <<locked>> | 80% | 42,627 psi | 73% | 2477 fps | 98.2% |
| Shooters World Match Rifle | <<locked>> | 84% | 31,125 psi | 53% | 2293 fps | 95.2% |
| Shooters World Precision | <<locked>> | 92% | 37,927 psi | 65% | 2402 fps | 95.6% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 40,321 psi | 69% | 2392 fps | 95.7% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 45,934 psi | 78% | 2218 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 39,494 psi | 67% | 2428 fps | 98.3% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 38,072 psi | 65% | 2369 fps | 99.4% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 41,829 psi | 71% | 2480 fps | 95% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 31,473 psi | 54% | 2188 fps | 96% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 27,079 psi | 46% | 2103 fps | 95.4% |
| Somchem S321 | <<locked>> | 82% | 35,882 psi | 61% | 2365 fps | 95.2% |
| Somchem S335 | <<locked>> | 80% | 30,487 psi | 52% | 2185 fps | 96.7% |
| Somchem S341 | <<locked>> | 92% | 43,642 psi | 74% | 2500 fps | 95.3% |
| Somchem S355 | <<locked>> | 98% | 40,509 psi | 69% | 2474 fps | 95.4% |
| Vihtavuori N120 | <<locked>> | 80% | 44,092 psi | 75% | 2385 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 35,868 psi | 61% | 2283 fps | 99.8% |
| Vihtavuori N133 | <<locked>> | 80% | 31,241 psi | 53% | 2201 fps | 98.5% |
| Vihtavuori N135 | <<locked>> | 80% | 26,281 psi | 45% | 2156 fps | 97.3% |
| Vihtavuori N140 | <<locked>> | 82% | 29,327 psi | 50% | 2201 fps | 95.7% |
| Vihtavuori N150 | <<locked>> | 96% | 36,245 psi | 62% | 2369 fps | 95.6% |
| Vihtavuori N530 | <<locked>> | 86% | 38,087 psi | 65% | 2382 fps | 95.6% |
| Vihtavuori N540 | <<locked>> | 84% | 29,791 psi | 51% | 2228 fps | 95.2% |
| Winchester 748 | 23.1 gr | 84% | 34,418 psi | 59% | 2365 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 92% | 41,176 psi | 70% | 2487 fps | 95.6% |
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 82 powders for 6 x 47 ATZL loaded with the .243 | 100gr | Sierra SP SemiSp. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,740 fps; across all powders the maximum-charge window runs from 1,555 fps to 2,740 fps. Accurate 2495 gives the best case fill at 100 %, and 82 of the 82 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 100.0 gr projectile in 0.243" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 4064, Alliant Power Pro 2000-MR 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 1200-R, Winchester 748, Hodgdon BL-C2 rank at the top here: for 6 x 47 ATZL with the .243 | 100gr | Sierra SP SemiSp 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.