Load Specifications
Load data in caliber 6 x 52 R BB2 with .243 | 100gr | Nosler Solid Base bullet and 57 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-17 and Bofors RP3.
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 2495 | <<locked>> | 86% | 42,699 psi | 89% | 2566 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 42,569 psi | 89% | 2598 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 41,205 psi | 86% | 2631 fps | 96.2% |
| ADI AR 2206H | <<locked>> | 82% | 41,684 psi | 87% | 2569 fps | 97.5% |
| ADI AR 2208 | <<locked>> | 88% | 42,511 psi | 89% | 2569 fps | 97% |
| Alliant AR-Comp | <<locked>> | 82% | 43,033 psi | 90% | 2582 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 43,076 psi | 90% | 2694 fps | 96.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 41,800 psi | 87% | 2589 fps | 98.4% |
| Alliant Reloder-15 | <<locked>> | 86% | 42,264 psi | 88% | 2602 fps | 97.1% |
| Alliant Reloder-16 | <<locked>> | 96% | 41,423 psi | 87% | 2635 fps | 96.2% |
| Alliant Reloder-17 | <<locked>> | 92% | 41,452 psi | 87% | 2671 fps | 98% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 40,698 psi | 85% | 2566 fps | 96.1% |
| Bofors RP3 | <<locked>> | 88% | 41,408 psi | 87% | 2595 fps | 98.4% |
| Hodgdon BL-C2 | <<locked>> | 82% | 42,177 psi | 88% | 2602 fps | 99.1% |
| Hodgdon H380 | <<locked>> | 88% | 42,612 psi | 89% | 2595 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 82% | 41,974 psi | 88% | 2579 fps | 98.1% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 42,960 psi | 90% | 2628 fps | 98.2% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 43,033 psi | 90% | 2651 fps | 98.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,954 psi | 73% | 1683 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 43,178 psi | 90% | 2589 fps | 98.3% |
| IMR 3031 | <<locked>> | 82% | 41,104 psi | 86% | 2585 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 42,163 psi | 88% | 2556 fps | 97.2% |
| IMR 4831 | <<locked>> | 98% | 42,163 psi | 88% | 2631 fps | 96.5% |
| IMR 4895 | <<locked>> | 86% | 43,294 psi | 90% | 2631 fps | 98% |
| Lovex D073.6 | <<locked>> | 84% | 42,917 psi | 90% | 2602 fps | 99.7% |
| Lovex S060 | <<locked>> | 82% | 42,047 psi | 88% | 2510 fps | 97.6% |
| Lovex S062 | <<locked>> | 86% | 41,582 psi | 87% | 2556 fps | 98.6% |
| Norma 201 | <<locked>> | 84% | 43,192 psi | 90% | 2572 fps | 98.9% |
| Norma 202 | <<locked>> | 82% | 40,727 psi | 85% | 2536 fps | 99.8% |
| Norma 203B | <<locked>> | 86% | 41,582 psi | 87% | 2589 fps | 97.5% |
| Norma URP | <<locked>> | 96% | 41,394 psi | 86% | 2625 fps | 96% |
| Ramshot Big Game | <<locked>> | 86% | 41,336 psi | 86% | 2602 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 82% | 43,033 psi | 90% | 2602 fps | 97.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,201 psi | 74% | 1719 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 41,481 psi | 87% | 2648 fps | 96.9% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 41,379 psi | 86% | 2680 fps | 99.6% |
| Rottweil R 902 | <<locked>> | 84% | 41,031 psi | 86% | 2523 fps | 98.5% |
| Rottweil R 903 | <<locked>> | 90% | 41,263 psi | 86% | 2585 fps | 98.1% |
| Shooters World Match Rifle | <<locked>> | 84% | 42,917 psi | 90% | 2602 fps | 99.7% |
| Shooters World Precision | <<locked>> | 86% | 41,582 psi | 87% | 2556 fps | 98.6% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 42,772 psi | 89% | 2638 fps | 97.7% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 42,902 psi | 90% | 2589 fps | 97.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 42,482 psi | 89% | 2493 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 42,206 psi | 88% | 2497 fps | 100% |
| Somchem S335 | <<locked>> | 82% | 41,974 psi | 88% | 2497 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 41,481 psi | 87% | 2552 fps | 97.3% |
| Somchem S355 | <<locked>> | 90% | 42,366 psi | 89% | 2592 fps | 98.1% |
| Somchem S365ᴾ | <<locked>> | 100% | 41,959 psi | 88% | 2680 fps | 99.2% |
| Vihtavuori N133 | <<locked>> | 82% | 42,598 psi | 89% | 2490 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 43,047 psi | 90% | 2566 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 41,046 psi | 86% | 2520 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 92% | 43,308 psi | 90% | 2582 fps | 99.3% |
| Vihtavuori N540 | <<locked>> | 86% | 42,134 psi | 88% | 2559 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 96% | 42,960 psi | 90% | 2635 fps | 96.2% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 41,727 psi | 87% | 2566 fps | 98% |
| Winchester 748 | <<locked>> | 82% | 43,004 psi | 90% | 2621 fps | 99.4% |
| Winchester StaBALL Match | <<locked>> | 84% | 42,177 psi | 88% | 2595 fps | 98.2% |
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 2495 | <<locked>> | 80% | 34,925 psi | 73% | 2421 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 32,996 psi | 69% | 2405 fps | 98.9% |
| Accurate 4350 | <<locked>> | 94% | 38,319 psi | 80% | 2572 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 38,957 psi | 81% | 2513 fps | 96.8% |
| ADI AR 2208 | <<locked>> | 84% | 37,594 psi | 79% | 2467 fps | 95.5% |
| Alliant AR-Comp | <<locked>> | 80% | 40,030 psi | 84% | 2533 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 37,724 psi | 79% | 2575 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,416 psi | 68% | 2388 fps | 95.7% |
| Alliant Reloder-15 | <<locked>> | 82% | 37,333 psi | 78% | 2500 fps | 95.7% |
| Alliant Reloder-16 | <<locked>> | 94% | 39,160 psi | 82% | 2585 fps | 95.4% |
| Alliant Reloder-17 | 30.1 gr | 86% | 34,011 psi | 71% | 2493 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 37,724 psi | 79% | 2503 fps | 95.1% |
| Bofors RP3 | 27 gr | 80% | 31,618 psi | 66% | 2382 fps | 95.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,407 psi | 82% | 2546 fps | 98.6% |
| Hodgdon H380 | <<locked>> | 86% | 39,827 psi | 83% | 2539 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 39,276 psi | 82% | 2526 fps | 97.4% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 33,431 psi | 70% | 2428 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,172 psi | 73% | 2487 fps | 96.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,802 psi | 54% | 1499 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,753 psi | 79% | 2480 fps | 97% |
| IMR 3031 | <<locked>> | 80% | 38,218 psi | 80% | 2533 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 37,173 psi | 78% | 2454 fps | 95.7% |
| IMR 4831 | <<locked>> | 96% | 39,349 psi | 82% | 2575 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 35,694 psi | 75% | 2474 fps | 95.9% |
| Lovex D073.6 | <<locked>> | 80% | 37,347 psi | 78% | 2493 fps | 99% |
| Lovex S060 | <<locked>> | 80% | 39,740 psi | 83% | 2464 fps | 97% |
| Lovex S062 | <<locked>> | 80% | 34,606 psi | 72% | 2408 fps | 96.9% |
| Norma 201 | <<locked>> | 80% | 38,145 psi | 80% | 2474 fps | 97.9% |
| Norma 202 | <<locked>> | 80% | 38,421 psi | 80% | 2493 fps | 99.5% |
| Norma 203B | <<locked>> | 80% | 34,287 psi | 72% | 2434 fps | 95.3% |
| Norma URP | <<locked>> | 94% | 38,711 psi | 81% | 2572 fps | 95.1% |
| Ramshot Big Game | <<locked>> | 82% | 36,201 psi | 76% | 2497 fps | 95.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 39,885 psi | 83% | 2539 fps | 97% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,121 psi | 55% | 1539 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 36,013 psi | 75% | 2533 fps | 95.2% |
| ReloadSwiss RS 60 | 28 gr | 80% | 29,805 psi | 62% | 2392 fps | 96.1% |
| Rottweil R 902 | <<locked>> | 80% | 36,550 psi | 76% | 2431 fps | 97.4% |
| Rottweil R 903 | <<locked>> | 82% | 31,850 psi | 67% | 2382 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,347 psi | 78% | 2493 fps | 99% |
| Shooters World Precision | <<locked>> | 80% | 34,606 psi | 72% | 2408 fps | 96.9% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 35,404 psi | 74% | 2484 fps | 95.5% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 37,623 psi | 79% | 2484 fps | 96.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,045 psi | 84% | 2448 fps | 99.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,924 psi | 69% | 2316 fps | 99.3% |
| Somchem S335 | <<locked>> | 80% | 39,305 psi | 82% | 2448 fps | 99.9% |
| Somchem S341 | <<locked>> | 80% | 38,464 psi | 80% | 2490 fps | 96.5% |
| Somchem S355 | <<locked>> | 82% | 32,953 psi | 69% | 2392 fps | 95.4% |
| Somchem S365 | <<locked>> | 90% | 30,574 psi | 64% | 2415 fps | 95.7% |
| Vihtavuori N133 | <<locked>> | 80% | 40,147 psi | 84% | 2451 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,491 psi | 74% | 2428 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,143 psi | 76% | 2428 fps | 99.4% |
| Vihtavuori N150 | <<locked>> | 80% | 29,211 psi | 61% | 2280 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 34,896 psi | 73% | 2415 fps | 98.9% |
| Vihtavuori N550 | <<locked>> | 94% | 40,147 psi | 84% | 2582 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 34,156 psi | 71% | 2405 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 40,103 psi | 84% | 2569 fps | 99% |
| Winchester StaBALL Match | <<locked>> | 80% | 36,825 psi | 77% | 2487 fps | 96.8% |
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 57 powders for 6 x 52 R BB2 loaded with the .243 | 100gr | Nosler Solid Base. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,694 fps; across all powders the maximum-charge window runs from 1,683 fps to 2,694 fps. Hodgdon Hybrid 100V gives the best case fill at 100 %, and 57 of the 57 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (330 MPa), the top charges use 73–90 %, 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. Hodgdon Hybrid 100V, 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. ReloadSwiss RS 60, Alliant Reloder-17, Bofors RP3 rank at the top here: for 6 x 52 R BB2 with the .243 | 100gr | Nosler Solid Base 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.