
Load Specifications
Load data in caliber 6 x 52 R BB2 with .243 | 97gr | Peregrine Glider GRM bullet and 120 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Hodgdon LEVERevolution 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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 86% | 43,308 psi | 90% | 2536 fps | 100% |
| Accurate 2015 | <<locked>> | 84% | 41,060 psi | 86% | 2500 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 41,539 psi | 87% | 2536 fps | 99.2% |
| Accurate 2460 | <<locked>> | 82% | 41,626 psi | 87% | 2539 fps | 99.3% |
| Accurate 2495 | <<locked>> | 92% | 41,930 psi | 88% | 2572 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 42,496 psi | 89% | 2582 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 42,047 psi | 88% | 2582 fps | 99.1% |
| Accurate 2520 | <<locked>> | 86% | 42,569 psi | 89% | 2592 fps | 99.2% |
| Accurate 4064 | <<locked>> | 94% | 42,076 psi | 88% | 2602 fps | 99.7% |
| Accurate 4064 | <<locked>> | 94% | 42,105 psi | 88% | 2605 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 88% | 42,525 psi | 89% | 2582 fps | 96.5% |
| ADI AR 2206H | <<locked>> | 88% | 43,018 psi | 90% | 2595 fps | 96.7% |
| ADI Benchmark 8208 | <<locked>> | 86% | 42,221 psi | 88% | 2552 fps | 97.7% |
| ADI Benchmark 8208 | <<locked>> | 86% | 42,743 psi | 89% | 2562 fps | 97.9% |
| Alliant AR-Comp | <<locked>> | 86% | 40,611 psi | 85% | 2562 fps | 100% |
| Alliant AR-Comp | <<locked>> | 86% | 40,712 psi | 85% | 2566 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 42,525 psi | 89% | 2635 fps | 97.3% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 43,091 psi | 90% | 2648 fps | 97.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 41,800 psi | 87% | 2592 fps | 97.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 42,351 psi | 88% | 2605 fps | 97.6% |
| Alliant Reloder-15 | <<locked>> | 92% | 42,946 psi | 90% | 2612 fps | 96.1% |
| Alliant Reloder-17 | <<locked>> | 98% | 42,264 psi | 88% | 2667 fps | 96.7% |
| Alliant Reloder-17 | <<locked>> | 98% | 42,670 psi | 89% | 2680 fps | 96.9% |
| Bofors RP3 | <<locked>> | 94% | 41,350 psi | 86% | 2598 fps | 97.4% |
| Bofors RP3 | <<locked>> | 94% | 41,872 psi | 87% | 2608 fps | 97.6% |
| Hodgdon Benchmark | <<locked>> | 84% | 41,916 psi | 88% | 2503 fps | 98.1% |
| Hodgdon Benchmark | <<locked>> | 84% | 42,409 psi | 89% | 2516 fps | 98.3% |
| Hodgdon BL-C2 | <<locked>> | 88% | 42,743 psi | 89% | 2615 fps | 98.4% |
| Hodgdon BL-C2 | <<locked>> | 88% | 43,265 psi | 90% | 2625 fps | 98.5% |
| Hodgdon H322 | <<locked>> | 82% | 42,424 psi | 89% | 2569 fps | 99.9% |
| Hodgdon H322 | <<locked>> | 82% | 42,554 psi | 89% | 2572 fps | 99.9% |
| Hodgdon H335 | <<locked>> | 82% | 43,120 psi | 90% | 2585 fps | 99.6% |
| Hodgdon H335 | <<locked>> | 82% | 43,163 psi | 90% | 2589 fps | 99.6% |
| Hodgdon H4895 | <<locked>> | 88% | 42,772 psi | 89% | 2595 fps | 97.2% |
| Hodgdon H4895 | <<locked>> | 86% | 40,611 psi | 85% | 2556 fps | 96.7% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 41,017 psi | 86% | 2608 fps | 97.2% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 41,481 psi | 87% | 2621 fps | 97.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,475 psi | 70% | 1640 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,721 psi | 70% | 1647 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 41,437 psi | 87% | 2552 fps | 96.8% |
| Hodgdon VARGET | <<locked>> | 88% | 41,916 psi | 88% | 2562 fps | 96.9% |
| IMR 3031 | <<locked>> | 88% | 41,075 psi | 86% | 2598 fps | 100% |
| IMR 3031 | <<locked>> | 88% | 41,684 psi | 87% | 2612 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 43,033 psi | 90% | 2562 fps | 96.1% |
| IMR 4064 | <<locked>> | 92% | 43,091 psi | 90% | 2569 fps | 96.2% |
| IMR 4895 | <<locked>> | 90% | 41,147 psi | 86% | 2592 fps | 96.3% |
| IMR 4895 | <<locked>> | 90% | 41,640 psi | 87% | 2602 fps | 96.5% |
| IMR 8208 XBR | <<locked>> | 86% | 42,221 psi | 88% | 2552 fps | 97.7% |
| IMR 8208 XBR | <<locked>> | 86% | 42,743 psi | 89% | 2562 fps | 97.9% |
| Lovex D073.5 | <<locked>> | 82% | 41,104 psi | 86% | 2530 fps | 98.3% |
| Lovex D073.5 | <<locked>> | 82% | 41,162 psi | 86% | 2533 fps | 98.4% |
| Lovex D073.6 | <<locked>> | 90% | 43,149 psi | 90% | 2612 fps | 99.2% |
| Lovex D073.6 | <<locked>> | 88% | 40,828 psi | 85% | 2572 fps | 98.9% |
| Lovex S060 | <<locked>> | 86% | 41,089 psi | 86% | 2484 fps | 96.1% |
| Lovex S060 | <<locked>> | 86% | 41,568 psi | 87% | 2493 fps | 96.3% |
| Lovex S062 | <<locked>> | 92% | 42,337 psi | 88% | 2569 fps | 97.9% |
| Lovex S062 | <<locked>> | 92% | 42,380 psi | 89% | 2572 fps | 97.9% |
| Norma 201 | <<locked>> | 88% | 41,249 psi | 86% | 2536 fps | 97.6% |
| Norma 201 | <<locked>> | 88% | 41,756 psi | 87% | 2546 fps | 97.7% |
| Norma 202 | <<locked>> | 88% | 41,626 psi | 87% | 2559 fps | 99.4% |
| Norma 202 | <<locked>> | 88% | 41,713 psi | 87% | 2562 fps | 99.4% |
| Norma 203B | <<locked>> | 92% | 42,076 psi | 88% | 2598 fps | 96.5% |
| Norma 203B | <<locked>> | 92% | 42,612 psi | 89% | 2612 fps | 96.7% |
| Ramshot Big Game | <<locked>> | 92% | 42,221 psi | 88% | 2615 fps | 96.2% |
| Ramshot Big Game | <<locked>> | 92% | 42,699 psi | 89% | 2625 fps | 96.3% |
| Ramshot Wild Boar | <<locked>> | 86% | 41,350 psi | 86% | 2569 fps | 96.2% |
| Ramshot Wild Boar | <<locked>> | 86% | 41,394 psi | 86% | 2572 fps | 96.2% |
| Ramshot X-Terminator | <<locked>> | 82% | 40,756 psi | 85% | 2503 fps | 95.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,605 psi | 70% | 1680 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,852 psi | 71% | 1686 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 41,945 psi | 88% | 2543 fps | 98.8% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 42,018 psi | 88% | 2549 fps | 98.8% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 42,424 psi | 89% | 2687 fps | 99% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 42,844 psi | 90% | 2700 fps | 99.1% |
| Rottweil R 901 | <<locked>> | 86% | 42,424 psi | 89% | 2539 fps | 99.3% |
| Rottweil R 901 | <<locked>> | 86% | 42,946 psi | 90% | 2552 fps | 99.4% |
| Rottweil R 902 | <<locked>> | 90% | 42,018 psi | 88% | 2543 fps | 97.7% |
| Rottweil R 902 | <<locked>> | 90% | 42,090 psi | 88% | 2546 fps | 97.8% |
| Rottweil R 903 | <<locked>> | 96% | 41,249 psi | 86% | 2585 fps | 97.1% |
| Rottweil R 903 | <<locked>> | 96% | 41,321 psi | 86% | 2589 fps | 97.1% |
| Shooters World Match Rifle | <<locked>> | 90% | 43,149 psi | 90% | 2612 fps | 99.2% |
| Shooters World Match Rifle | <<locked>> | 88% | 40,828 psi | 85% | 2572 fps | 98.9% |
| Shooters World Precision | <<locked>> | 92% | 42,337 psi | 88% | 2569 fps | 97.9% |
| Shooters World Precision | <<locked>> | 92% | 42,380 psi | 89% | 2572 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 40,756 psi | 85% | 2592 fps | 95.8% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 41,191 psi | 86% | 2605 fps | 96% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 41,249 psi | 86% | 2556 fps | 96.2% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 41,292 psi | 86% | 2559 fps | 96.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 41,104 psi | 86% | 2467 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 41,684 psi | 87% | 2480 fps | 99.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 43,221 psi | 90% | 2513 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 43,279 psi | 90% | 2516 fps | 99.9% |
| Somchem S321 | <<locked>> | 84% | 42,366 psi | 89% | 2575 fps | 98.1% |
| Somchem S321 | <<locked>> | 84% | 42,902 psi | 90% | 2589 fps | 98.2% |
| Somchem S335 | <<locked>> | 88% | 42,714 psi | 89% | 2513 fps | 99.8% |
| Somchem S335 | <<locked>> | 88% | 43,236 psi | 90% | 2523 fps | 99.8% |
| Somchem S341 | <<locked>> | 88% | 42,540 psi | 89% | 2569 fps | 96.4% |
| Somchem S341 | <<locked>> | 88% | 43,033 psi | 90% | 2579 fps | 96.6% |
| Somchem S355 | <<locked>> | 96% | 42,685 psi | 89% | 2598 fps | 97.1% |
| Somchem S355 | <<locked>> | 96% | 42,714 psi | 89% | 2598 fps | 97.2% |
| Vihtavuori N130 | <<locked>> | 82% | 41,379 psi | 86% | 2464 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 41,495 psi | 87% | 2467 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 41,060 psi | 86% | 2470 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 41,611 psi | 87% | 2484 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 42,946 psi | 90% | 2575 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 40,669 psi | 85% | 2539 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 41,901 psi | 88% | 2539 fps | 99.6% |
| Vihtavuori N140 | <<locked>> | 90% | 42,395 psi | 89% | 2552 fps | 99.7% |
| Vihtavuori N150 | <<locked>> | 96% | 40,930 psi | 86% | 2539 fps | 98% |
| Vihtavuori N150 | <<locked>> | 96% | 40,973 psi | 86% | 2539 fps | 98% |
| Vihtavuori N530 | <<locked>> | 86% | 42,322 psi | 88% | 2549 fps | 97.8% |
| Vihtavuori N530 | <<locked>> | 86% | 42,395 psi | 89% | 2552 fps | 97.9% |
| Vihtavuori N540 | <<locked>> | 92% | 43,120 psi | 90% | 2579 fps | 99.5% |
| Vihtavuori N540 | <<locked>> | 90% | 40,480 psi | 85% | 2533 fps | 99.2% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 43,178 psi | 90% | 2572 fps | 97% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 43,062 psi | 90% | 2572 fps | 97% |
| Winchester 748 | <<locked>> | 86% | 40,785 psi | 85% | 2585 fps | 98.3% |
| Winchester 748 | <<locked>> | 86% | 41,321 psi | 86% | 2595 fps | 98.4% |
| Winchester StaBALL Match | <<locked>> | 90% | 43,178 psi | 90% | 2612 fps | 97.3% |
| Winchester StaBALL Match | <<locked>> | 90% | 43,192 psi | 90% | 2615 fps | 97.4% |
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 2015 | <<locked>> | 80% | 35,723 psi | 75% | 2398 fps | 99.8% |
| Accurate 2015 | <<locked>> | 80% | 35,868 psi | 75% | 2402 fps | 99.8% |
| Accurate 2460 | <<locked>> | 80% | 38,464 psi | 80% | 2477 fps | 98.8% |
| Accurate 2460 | <<locked>> | 80% | 38,986 psi | 81% | 2490 fps | 98.9% |
| Accurate 2495 | <<locked>> | 80% | 27,717 psi | 58% | 2280 fps | 98.7% |
| Accurate 2495 | <<locked>> | 80% | 27,833 psi | 58% | 2283 fps | 98.8% |
| Accurate 2520 | <<locked>> | 80% | 33,866 psi | 71% | 2418 fps | 97.3% |
| Accurate 2520 | <<locked>> | 80% | 34,345 psi | 72% | 2431 fps | 97.5% |
| Accurate 4064 | <<locked>> | 80% | 26,295 psi | 55% | 2251 fps | 95.7% |
| Accurate 4064 | <<locked>> | 80% | 26,411 psi | 55% | 2257 fps | 95.8% |
| ADI AR 2206H | <<locked>> | 84% | 37,347 psi | 78% | 2477 fps | 95% |
| ADI AR 2206H | <<locked>> | 84% | 37,826 psi | 79% | 2490 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 34,751 psi | 73% | 2398 fps | 95.6% |
| ADI Benchmark 8208 | <<locked>> | 80% | 35,215 psi | 74% | 2411 fps | 95.8% |
| Alliant AR-Comp | <<locked>> | 80% | 33,199 psi | 69% | 2425 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 33,330 psi | 70% | 2428 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 39,668 psi | 83% | 2579 fps | 96.5% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 40,277 psi | 84% | 2592 fps | 96.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 34,577 psi | 72% | 2444 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 34,664 psi | 72% | 2451 fps | 95.3% |
| Alliant Reloder-15 | <<locked>> | 90% | 40,176 psi | 84% | 2559 fps | 95.3% |
| Alliant Reloder-17 | <<locked>> | 96% | 39,624 psi | 83% | 2612 fps | 95.8% |
| Alliant Reloder-17 | <<locked>> | 96% | 40,016 psi | 84% | 2625 fps | 96% |
| Bofors RP3 | 26.6 gr | 88% | 33,634 psi | 70% | 2438 fps | 95% |
| Bofors RP3 | 26.6 gr | 88% | 33,692 psi | 70% | 2441 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 37,275 psi | 78% | 2411 fps | 97% |
| Hodgdon Benchmark | <<locked>> | 80% | 37,347 psi | 78% | 2415 fps | 97.1% |
| Hodgdon BL-C2 | <<locked>> | 80% | 32,416 psi | 68% | 2402 fps | 95.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 32,503 psi | 68% | 2405 fps | 95.6% |
| Hodgdon H322 | <<locked>> | 80% | 39,668 psi | 83% | 2520 fps | 99.6% |
| Hodgdon H322 | <<locked>> | 80% | 39,755 psi | 83% | 2523 fps | 99.7% |
| Hodgdon H335 | <<locked>> | 80% | 40,350 psi | 84% | 2536 fps | 99.2% |
| Hodgdon H335 | <<locked>> | 80% | 40,451 psi | 85% | 2539 fps | 99.2% |
| Hodgdon H4895 | <<locked>> | 84% | 37,550 psi | 78% | 2490 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 82% | 35,621 psi | 74% | 2451 fps | 95.1% |
| Hodgdon LEVERevolution | 26.9 gr | 86% | 36,071 psi | 75% | 2503 fps | 95.7% |
| Hodgdon LEVERevolution | 26.9 gr | 86% | 36,114 psi | 75% | 2507 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,700 psi | 52% | 1463 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,961 psi | 52% | 1473 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 36,347 psi | 76% | 2448 fps | 95.2% |
| Hodgdon VARGET | <<locked>> | 84% | 36,811 psi | 77% | 2461 fps | 95.4% |
| IMR 3031 | <<locked>> | 80% | 31,415 psi | 66% | 2398 fps | 98.8% |
| IMR 3031 | <<locked>> | 80% | 31,879 psi | 67% | 2411 fps | 99% |
| IMR 4064 | <<locked>> | 90% | 40,292 psi | 84% | 2513 fps | 95.3% |
| IMR 4064 | <<locked>> | 90% | 40,785 psi | 85% | 2523 fps | 95.5% |
| IMR 4895 | <<locked>> | 88% | 38,479 psi | 80% | 2536 fps | 95.5% |
| IMR 4895 | <<locked>> | 88% | 38,972 psi | 81% | 2549 fps | 95.7% |
| IMR 8208 XBR | <<locked>> | 80% | 34,751 psi | 73% | 2398 fps | 95.6% |
| IMR 8208 XBR | <<locked>> | 80% | 35,215 psi | 74% | 2411 fps | 95.8% |
| Lovex D073.5 | <<locked>> | 80% | 38,450 psi | 80% | 2480 fps | 97.8% |
| Lovex D073.5 | <<locked>> | 80% | 38,551 psi | 81% | 2484 fps | 97.8% |
| Lovex D073.6 | <<locked>> | 80% | 30,603 psi | 64% | 2356 fps | 96.2% |
| Lovex D073.6 | <<locked>> | 80% | 30,705 psi | 64% | 2359 fps | 96.3% |
| Lovex S060 | <<locked>> | 84% | 38,566 psi | 81% | 2434 fps | 95.4% |
| Lovex S060 | <<locked>> | 84% | 39,015 psi | 82% | 2444 fps | 95.5% |
| Lovex S062 | <<locked>> | 86% | 34,722 psi | 73% | 2418 fps | 95.8% |
| Lovex S062 | <<locked>> | 84% | 32,967 psi | 69% | 2379 fps | 95.2% |
| Norma 201 | <<locked>> | 82% | 34,243 psi | 72% | 2392 fps | 95.6% |
| Norma 201 | <<locked>> | 82% | 34,287 psi | 72% | 2395 fps | 95.6% |
| Norma 202 | <<locked>> | 80% | 31,836 psi | 67% | 2356 fps | 97.3% |
| Norma 202 | <<locked>> | 80% | 32,314 psi | 68% | 2369 fps | 97.5% |
| Norma 203B | <<locked>> | 90% | 39,392 psi | 82% | 2546 fps | 95.8% |
| Norma 203B | <<locked>> | 88% | 37,376 psi | 78% | 2507 fps | 95.1% |
| Ramshot Big Game | <<locked>> | 90% | 39,624 psi | 83% | 2562 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 90% | 39,639 psi | 83% | 2566 fps | 95.4% |
| Ramshot Wild Boar | <<locked>> | 84% | 38,377 psi | 80% | 2510 fps | 95.2% |
| Ramshot Wild Boar | <<locked>> | 84% | 38,812 psi | 81% | 2520 fps | 95.4% |
| Ramshot X-Terminator | <<locked>> | 80% | 38,290 psi | 80% | 2454 fps | 95.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,932 psi | 52% | 1503 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,801 psi | 52% | 1503 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 39,262 psi | 82% | 2493 fps | 98.3% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 39,349 psi | 82% | 2497 fps | 98.3% |
| ReloadSwiss RS 60 | 27.6 gr | 88% | 32,532 psi | 68% | 2454 fps | 95.7% |
| ReloadSwiss RS 60 | 27.6 gr | 88% | 32,547 psi | 68% | 2457 fps | 95.8% |
| Rottweil R 901 | <<locked>> | 80% | 35,230 psi | 74% | 2398 fps | 98% |
| Rottweil R 901 | <<locked>> | 80% | 35,752 psi | 75% | 2411 fps | 98.2% |
| Rottweil R 902 | <<locked>> | 84% | 34,490 psi | 72% | 2388 fps | 95.6% |
| Rottweil R 902 | <<locked>> | 82% | 32,706 psi | 68% | 2349 fps | 95% |
| Rottweil R 903 | <<locked>> | 92% | 35,969 psi | 75% | 2480 fps | 95.5% |
| Rottweil R 903 | <<locked>> | 92% | 36,434 psi | 76% | 2493 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 30,603 psi | 64% | 2356 fps | 96.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 30,705 psi | 64% | 2359 fps | 96.3% |
| Shooters World Precision | <<locked>> | 86% | 34,722 psi | 73% | 2418 fps | 95.8% |
| Shooters World Precision | <<locked>> | 84% | 32,967 psi | 69% | 2379 fps | 95.2% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 38,232 psi | 80% | 2539 fps | 95% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 38,667 psi | 81% | 2549 fps | 95.2% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 38,667 psi | 81% | 2503 fps | 95.4% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 38,725 psi | 81% | 2510 fps | 95.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 33,924 psi | 71% | 2326 fps | 97.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 34,403 psi | 72% | 2336 fps | 98% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 27,427 psi | 57% | 2188 fps | 96.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 27,833 psi | 58% | 2201 fps | 97% |
| Somchem S321 | <<locked>> | 80% | 36,811 psi | 77% | 2467 fps | 96.7% |
| Somchem S321 | <<locked>> | 80% | 37,304 psi | 78% | 2480 fps | 96.9% |
| Somchem S335 | <<locked>> | 80% | 33,344 psi | 70% | 2329 fps | 98.4% |
| Somchem S335 | <<locked>> | 80% | 33,431 psi | 70% | 2333 fps | 98.5% |
| Somchem S341 | <<locked>> | 86% | 39,842 psi | 83% | 2516 fps | 95.6% |
| Somchem S341 | <<locked>> | 86% | 39,885 psi | 83% | 2520 fps | 95.7% |
| Somchem S355 | <<locked>> | 92% | 37,391 psi | 78% | 2493 fps | 95.7% |
| Somchem S355 | <<locked>> | 90% | 35,418 psi | 74% | 2454 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 38,740 psi | 81% | 2415 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 39,276 psi | 82% | 2428 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 33,924 psi | 71% | 2336 fps | 99.6% |
| Vihtavuori N133 | <<locked>> | 80% | 34,418 psi | 72% | 2349 fps | 99.7% |
| Vihtavuori N135 | <<locked>> | 80% | 28,819 psi | 60% | 2293 fps | 98.9% |
| Vihtavuori N135 | <<locked>> | 80% | 29,298 psi | 61% | 2310 fps | 99% |
| Vihtavuori N140 | <<locked>> | 80% | 30,313 psi | 63% | 2303 fps | 97.2% |
| Vihtavuori N140 | <<locked>> | 80% | 30,400 psi | 64% | 2306 fps | 97.3% |
| Vihtavuori N150 | <<locked>> | 88% | 31,227 psi | 65% | 2336 fps | 95% |
| Vihtavuori N150 | <<locked>> | 88% | 31,647 psi | 66% | 2349 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 34,592 psi | 72% | 2392 fps | 95.6% |
| Vihtavuori N530 | <<locked>> | 80% | 34,693 psi | 72% | 2398 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 80% | 29,124 psi | 61% | 2283 fps | 96.1% |
| Vihtavuori N540 | <<locked>> | 80% | 29,211 psi | 61% | 2290 fps | 96.2% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 37,637 psi | 79% | 2464 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 37,623 psi | 79% | 2467 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 33,083 psi | 69% | 2418 fps | 96.1% |
| Winchester 748 | <<locked>> | 80% | 33,533 psi | 70% | 2431 fps | 96.3% |
| Winchester StaBALL Match | <<locked>> | 86% | 37,434 psi | 78% | 2500 fps | 95.7% |
| Winchester StaBALL Match | <<locked>> | 84% | 35,114 psi | 73% | 2451 fps | 95% |
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 120 powders for 6 x 52 R BB2 loaded with the .243 | 97gr | Peregrine Glider GRM. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,700 fps; across all powders the maximum-charge window runs from 1,640 fps to 2,700 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 120 of the 120 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (330 MPa), the top charges use 70–90 %, leaving at least 10 % headroom. The 97.0 gr projectile in 0.243" calls for a 1:7.0 twist; slower twists will usually not stabilise this weight. Hodgdon TrailBoss, 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, Hodgdon LEVERevolution, Bofors RP3 rank at the top here: for 6 x 52 R BB2 with the .243 | 97gr | Peregrine Glider GRM 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.