Load Specifications
Load data in caliber 6 mm ARC with .243 | 105gr | Berger BT Target bullet and 74 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon LEVERevolution, ReloadSwiss RS 60 and IMR 4895.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 45,629 psi | 88% | 2464 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 46,369 psi | 89% | 2507 fps | 99.7% |
| Accurate 2495 | <<locked>> | 96% | 47,050 psi | 90% | 2543 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 44,063 psi | 85% | 2510 fps | 99.4% |
| Accurate 4064 | <<locked>> | 96% | 43,845 psi | 84% | 2530 fps | 99.9% |
| Accurate LT-30 | <<locked>> | 82% | 46,615 psi | 90% | 2411 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 46,992 psi | 90% | 2425 fps | 99.6% |
| ADI AR 2206H | <<locked>> | 90% | 44,715 psi | 86% | 2513 fps | 97.1% |
| ADI AR 2208 | <<locked>> | 96% | 45,252 psi | 87% | 2503 fps | 96.4% |
| ADI AR 2219 | <<locked>> | 82% | 45,542 psi | 88% | 2513 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 88% | 44,179 psi | 85% | 2477 fps | 98.2% |
| Alliant AR-Comp | <<locked>> | 90% | 44,875 psi | 86% | 2523 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 46,296 psi | 89% | 2628 fps | 96.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 46,485 psi | 89% | 2569 fps | 98.4% |
| Alliant Reloder-10x | <<locked>> | 84% | 45,687 psi | 88% | 2470 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 44,454 psi | 85% | 2533 fps | 96.5% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 43,990 psi | 85% | 2595 fps | 97.2% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 45,498 psi | 87% | 2415 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 46,528 psi | 89% | 2562 fps | 96.3% |
| Bofors RP3 | <<locked>> | 98% | 46,021 psi | 89% | 2575 fps | 98.4% |
| Hodgdon Benchmark | <<locked>> | 88% | 46,572 psi | 90% | 2474 fps | 99% |
| Hodgdon BL-C2 | <<locked>> | 90% | 44,976 psi | 86% | 2549 fps | 98.8% |
| Hodgdon CFE223 | <<locked>> | 88% | 46,441 psi | 89% | 2618 fps | 97% |
| Hodgdon H322 | <<locked>> | 84% | 44,469 psi | 86% | 2493 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 45,194 psi | 87% | 2513 fps | 99.8% |
| Hodgdon H4895 | <<locked>> | 90% | 44,962 psi | 86% | 2526 fps | 97.8% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 45,658 psi | 88% | 2589 fps | 98.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,823 psi | 65% | 1552 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 46,093 psi | 89% | 2526 fps | 97.8% |
| IMR 3031 | <<locked>> | 92% | 46,166 psi | 89% | 2575 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 44,860 psi | 86% | 2490 fps | 96.6% |
| IMR 4198 | <<locked>> | 84% | 46,586 psi | 90% | 2438 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 45,498 psi | 87% | 2566 fps | 97.5% |
| IMR 8208 XBR | <<locked>> | 88% | 44,179 psi | 85% | 2477 fps | 98.2% |
| Lovex D073.5 | <<locked>> | 86% | 46,586 psi | 90% | 2516 fps | 99.2% |
| Lovex D073.6 | <<locked>> | 92% | 45,397 psi | 87% | 2543 fps | 99.5% |
| Lovex S060 | <<locked>> | 90% | 45,774 psi | 88% | 2457 fps | 97.3% |
| Lovex S062 | <<locked>> | 96% | 46,876 psi | 90% | 2539 fps | 98.7% |
| Norma 201 | <<locked>> | 92% | 46,499 psi | 89% | 2520 fps | 98.6% |
| Norma 202 | <<locked>> | 92% | 46,296 psi | 89% | 2530 fps | 99.8% |
| Norma 203B | <<locked>> | 96% | 46,731 psi | 90% | 2575 fps | 97.6% |
| Ramshot Big Game | <<locked>> | 96% | 46,905 psi | 90% | 2592 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 90% | 45,876 psi | 88% | 2543 fps | 97.3% |
| Ramshot X-Terminator | <<locked>> | 86% | 45,223 psi | 87% | 2474 fps | 97% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,069 psi | 66% | 1591 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 46,775 psi | 90% | 2520 fps | 99.5% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 46,717 psi | 90% | 2635 fps | 97% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 47,021 psi | 90% | 2664 fps | 99.6% |
| Rottweil R 901 | <<locked>> | 88% | 44,788 psi | 86% | 2470 fps | 99.6% |
| Rottweil R 902 | <<locked>> | 94% | 46,354 psi | 89% | 2510 fps | 98.6% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 45,890 psi | 88% | 2562 fps | 98.1% |
| Shooters World Match Rifle | <<locked>> | 92% | 45,397 psi | 87% | 2543 fps | 99.5% |
| Shooters World Precision | <<locked>> | 96% | 46,876 psi | 90% | 2539 fps | 98.7% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 46,775 psi | 90% | 2484 fps | 98.3% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 46,050 psi | 89% | 2520 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 45,179 psi | 87% | 2569 fps | 97% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 46,731 psi | 90% | 2487 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 45,629 psi | 88% | 2530 fps | 97.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 45,876 psi | 88% | 2438 fps | 99.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 45,078 psi | 87% | 2438 fps | 100% |
| Somchem S321 | <<locked>> | 86% | 44,280 psi | 85% | 2503 fps | 98.5% |
| Somchem S335 | <<locked>> | 90% | 44,802 psi | 86% | 2438 fps | 99.9% |
| Somchem S341 | <<locked>> | 90% | 44,338 psi | 85% | 2493 fps | 96.9% |
| Somchem S355 | <<locked>> | 98% | 44,454 psi | 85% | 2523 fps | 97.6% |
| Vihtavuori N130 | <<locked>> | 86% | 46,151 psi | 89% | 2428 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 45,614 psi | 88% | 2434 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 44,527 psi | 86% | 2493 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 46,760 psi | 90% | 2513 fps | 99.9% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 45,440 psi | 87% | 2510 fps | 98.8% |
| Vihtavuori N530 | <<locked>> | 88% | 44,440 psi | 85% | 2477 fps | 98.3% |
| Vihtavuori N540 | <<locked>> | 94% | 44,904 psi | 86% | 2503 fps | 99.7% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 42,047 psi | 81% | 2448 fps | 96.5% |
| Winchester 748 | <<locked>> | 90% | 45,614 psi | 88% | 2562 fps | 99.1% |
| Winchester StaBALL Match | <<locked>> | 92% | 44,962 psi | 86% | 2536 fps | 97.8% |
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% | 35,563 psi | 68% | 2290 fps | 99.8% |
| Accurate 2460 | <<locked>> | 80% | 38,058 psi | 73% | 2365 fps | 98.7% |
| Accurate 2495 | <<locked>> | 80% | 27,717 psi | 53% | 2185 fps | 98.9% |
| Accurate 2520 | <<locked>> | 80% | 33,446 psi | 64% | 2310 fps | 97.3% |
| Accurate 4064 | <<locked>> | 80% | 26,252 psi | 50% | 2159 fps | 95.9% |
| Accurate LT-30 | <<locked>> | 80% | 43,961 psi | 85% | 2372 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 44,338 psi | 85% | 2385 fps | 99.3% |
| ADI AR 2206H | <<locked>> | 86% | 39,392 psi | 76% | 2418 fps | 95.8% |
| ADI AR 2208 | <<locked>> | 92% | 40,364 psi | 78% | 2415 fps | 95.1% |
| ADI AR 2219 | <<locked>> | 80% | 42,380 psi | 81% | 2461 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 80% | 34,316 psi | 66% | 2287 fps | 95.6% |
| Alliant AR-Comp | <<locked>> | 80% | 32,532 psi | 63% | 2306 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 43,279 psi | 83% | 2569 fps | 95.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 33,866 psi | 65% | 2329 fps | 95.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 40,509 psi | 78% | 2388 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 39,639 psi | 76% | 2444 fps | 95.2% |
| Alliant Reloder-17 | <<locked>> | 96% | 38,827 psi | 75% | 2490 fps | 95.5% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 42,612 psi | 82% | 2369 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 43,482 psi | 84% | 2510 fps | 95.5% |
| Bofors RP3 | <<locked>> | 88% | 33,156 psi | 64% | 2329 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 36,782 psi | 71% | 2297 fps | 97% |
| Hodgdon BL-C2 | <<locked>> | 80% | 31,691 psi | 61% | 2287 fps | 95.4% |
| Hodgdon CFE223 | <<locked>> | 84% | 40,509 psi | 78% | 2507 fps | 95.3% |
| Hodgdon H322 | <<locked>> | 80% | 38,986 psi | 75% | 2398 fps | 99.6% |
| Hodgdon H335 | <<locked>> | 80% | 39,334 psi | 76% | 2411 fps | 99.1% |
| Hodgdon H4895 | <<locked>> | 82% | 34,882 psi | 67% | 2329 fps | 95% |
| Hodgdon LEVERevolution | 24.5 gr | 86% | 35,230 psi | 68% | 2382 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,208 psi | 48% | 1388 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 35,766 psi | 69% | 2333 fps | 95.1% |
| IMR 3031 | <<locked>> | 80% | 31,198 psi | 60% | 2293 fps | 98.9% |
| IMR 4064 | <<locked>> | 90% | 39,494 psi | 76% | 2392 fps | 95.1% |
| IMR 4198 | <<locked>> | 80% | 41,800 psi | 80% | 2365 fps | 100% |
| IMR 4895 | 24 gr | 88% | 37,782 psi | 73% | 2421 fps | 95.4% |
| IMR 8208 XBR | <<locked>> | 80% | 34,316 psi | 66% | 2287 fps | 95.6% |
| Lovex D073.5 | <<locked>> | 80% | 37,797 psi | 73% | 2362 fps | 97.7% |
| Lovex D073.6 | <<locked>> | 80% | 30,182 psi | 58% | 2247 fps | 96.2% |
| Lovex S060 | <<locked>> | 84% | 38,261 psi | 74% | 2323 fps | 95.3% |
| Lovex S062 | <<locked>> | 84% | 32,358 psi | 62% | 2260 fps | 95% |
| Norma 201 | <<locked>> | 82% | 34,026 psi | 65% | 2283 fps | 95.6% |
| Norma 202 | <<locked>> | 80% | 31,807 psi | 61% | 2257 fps | 97.5% |
| Norma 203B | <<locked>> | 90% | 38,841 psi | 75% | 2434 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 90% | 38,812 psi | 75% | 2441 fps | 95.1% |
| Ramshot Wild Boar | <<locked>> | 84% | 37,782 psi | 73% | 2395 fps | 95.1% |
| Ramshot X-Terminator | <<locked>> | 82% | 40,059 psi | 77% | 2382 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,121 psi | 48% | 1417 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 38,450 psi | 74% | 2372 fps | 98.2% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 41,075 psi | 79% | 2533 fps | 95.6% |
| ReloadSwiss RS 60 | 25.2 gr | 88% | 32,097 psi | 62% | 2343 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 35,273 psi | 68% | 2293 fps | 98.1% |
| Rottweil R 902 | <<locked>> | 84% | 34,345 psi | 66% | 2283 fps | 95.7% |
| Rottweil R 903 | <<locked>> | 92% | 35,172 psi | 68% | 2365 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 30,182 psi | 58% | 2247 fps | 96.2% |
| Shooters World Precision | <<locked>> | 84% | 32,358 psi | 62% | 2260 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 40,712 psi | 78% | 2379 fps | 97% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 42,975 psi | 83% | 2467 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 39,958 psi | 77% | 2470 fps | 95.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 40,886 psi | 79% | 2395 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 37,637 psi | 72% | 2382 fps | 95.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 33,663 psi | 65% | 2218 fps | 97.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 27,282 psi | 52% | 2090 fps | 96.9% |
| Somchem S321 | <<locked>> | 80% | 36,492 psi | 70% | 2359 fps | 96.7% |
| Somchem S335 | <<locked>> | 80% | 32,967 psi | 63% | 2221 fps | 98.5% |
| Somchem S341 | <<locked>> | 86% | 38,638 psi | 74% | 2392 fps | 95.3% |
| Somchem S355 | <<locked>> | 92% | 36,927 psi | 71% | 2385 fps | 95.6% |
| Vihtavuori N130 | <<locked>> | 80% | 38,305 psi | 74% | 2300 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 33,504 psi | 64% | 2224 fps | 99.6% |
| Vihtavuori N135 | <<locked>> | 80% | 28,543 psi | 55% | 2192 fps | 99% |
| Vihtavuori N140 | <<locked>> | 80% | 29,950 psi | 58% | 2198 fps | 97.2% |
| Vihtavuori N150 | <<locked>> | 90% | 32,938 psi | 63% | 2280 fps | 95.8% |
| Vihtavuori N530 | <<locked>> | 80% | 34,258 psi | 66% | 2283 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 80% | 28,703 psi | 55% | 2178 fps | 96.1% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 39,363 psi | 76% | 2398 fps | 95.7% |
| Winchester 748 | <<locked>> | 80% | 32,619 psi | 63% | 2306 fps | 96% |
| Winchester StaBALL Match | <<locked>> | 86% | 36,550 psi | 70% | 2382 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 74 powders for 6 mm ARC loaded with the .243 | 105gr | Berger BT Target. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,664 fps; across all powders the maximum-charge window runs from 1,552 fps to 2,664 fps. Alliant Reloder-17 gives the best case fill at 100 %, and 74 of the 74 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (359 MPa), the top charges use 65–90 %, leaving at least 10 % headroom. The 105.0 gr projectile in 0.243" calls for a 1:9.0 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. Hodgdon LEVERevolution, ReloadSwiss RS 60, IMR 4895 rank at the top here: for 6 mm ARC with the .243 | 105gr | Berger BT Target 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.