Load Specifications
Load data in caliber .375 H&H Mag. with .375 | 250gr | CutEdge Maximus bullet and 90 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 52 and Hodgdon CFE223.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 92% | 54,462 psi | 87% | 2605 fps | 100% |
| Accurate 2200 | <<locked>> | 84% | 55,492 psi | 89% | 2697 fps | 98.6% |
| Accurate 2230 | <<locked>> | 84% | 56,289 psi | 90% | 2707 fps | 98.9% |
| Accurate 2460 | <<locked>> | 88% | 52,895 psi | 85% | 2628 fps | 100% |
| Accurate 2495 | <<locked>> | 98% | 54,099 psi | 87% | 2654 fps | 100% |
| Accurate 2520 | <<locked>> | 92% | 54,346 psi | 87% | 2680 fps | 100% |
| Accurate 4064ᴾ | <<locked>> | 100% | 53,722 psi | 86% | 2690 fps | 100% |
| Accurate LT-30 | <<locked>> | 86% | 55,419 psi | 89% | 2562 fps | 100% |
| Accurate LT-32 | <<locked>> | 86% | 55,854 psi | 90% | 2582 fps | 100% |
| ADI AR 2206H | <<locked>> | 94% | 53,476 psi | 86% | 2680 fps | 99% |
| ADI AR 2207 | <<locked>> | 82% | 53,359 psi | 86% | 2539 fps | 100% |
| ADI AR 2208ᴾ | <<locked>> | 100% | 54,534 psi | 87% | 2674 fps | 98.5% |
| ADI AR 2219 | <<locked>> | 86% | 55,651 psi | 89% | 2677 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 92% | 53,069 psi | 85% | 2644 fps | 99.6% |
| Alliant AR-Comp | <<locked>> | 94% | 55,738 psi | 89% | 2677 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 88% | 54,389 psi | 87% | 2743 fps | 99.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 96% | 53,098 psi | 85% | 2779 fps | 98.3% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 53,098 psi | 85% | 2690 fps | 99.5% |
| Alliant Reloder-10x | <<locked>> | 88% | 54,679 psi | 88% | 2615 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 98% | 54,360 psi | 87% | 2713 fps | 98.7% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 47,065 psi | 75% | 2684 fps | 98.4% |
| Alliant Reloder-7 | <<locked>> | 82% | 54,346 psi | 87% | 2556 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 86% | 54,389 psi | 87% | 2562 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 94% | 53,258 psi | 85% | 2694 fps | 98.1% |
| Bofors RP3ᴾ | <<locked>> | 100% | 53,345 psi | 86% | 2707 fps | 99.5% |
| Hodgdon Benchmark | <<locked>> | 92% | 55,564 psi | 89% | 2635 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 94% | 55,056 psi | 88% | 2720 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 90% | 53,374 psi | 86% | 2756 fps | 98.6% |
| Hodgdon H322 | <<locked>> | 88% | 53,896 psi | 86% | 2654 fps | 100% |
| Hodgdon H335 | <<locked>> | 88% | 55,187 psi | 88% | 2680 fps | 100% |
| Hodgdon H380ᴾ | <<locked>> | 100% | 55,361 psi | 89% | 2713 fps | 97.8% |
| Hodgdon H4198 | <<locked>> | 82% | 54,143 psi | 87% | 2562 fps | 100% |
| Hodgdon H4895 | <<locked>> | 94% | 53,867 psi | 86% | 2690 fps | 99.4% |
| Hodgdon LEVERevolution | <<locked>> | 98% | 56,043 psi | 90% | 2772 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,910 psi | 54% | 1581 fps | 100% |
| Hodgdon VARGET | <<locked>> | 96% | 55,637 psi | 89% | 2697 fps | 99.4% |
| IMR 3031 | <<locked>> | 96% | 56,376 psi | 90% | 2730 fps | 100% |
| IMR 4064 | <<locked>> | 98% | 53,896 psi | 86% | 2657 fps | 98.6% |
| IMR 4198 | <<locked>> | 88% | 55,593 psi | 89% | 2582 fps | 100% |
| IMR 4895 | <<locked>> | 98% | 55,651 psi | 89% | 2746 fps | 99.3% |
| IMR 8208 XBR | <<locked>> | 92% | 53,069 psi | 85% | 2644 fps | 99.6% |
| Lovex D073.4 | <<locked>> | 82% | 52,924 psi | 85% | 2635 fps | 100% |
| Lovex D073.5 | <<locked>> | 88% | 52,866 psi | 85% | 2635 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 96% | 55,637 psi | 89% | 2710 fps | 100% |
| Lovex S060 | <<locked>> | 94% | 54,273 psi | 87% | 2621 fps | 99% |
| Lovex S062 | <<locked>> | 98% | 53,011 psi | 85% | 2657 fps | 99.6% |
| Norma 200 | <<locked>> | 84% | 54,462 psi | 87% | 2592 fps | 100% |
| Norma 201 | <<locked>> | 96% | 55,521 psi | 89% | 2680 fps | 99.8% |
| Norma 202 | <<locked>> | 96% | 56,028 psi | 90% | 2690 fps | 100% |
| Norma 203B | <<locked>> | 98% | 53,374 psi | 86% | 2703 fps | 99% |
| Ramshot Big Game | <<locked>> | 98% | 53,925 psi | 86% | 2726 fps | 98.9% |
| Ramshot TAC | <<locked>> | 92% | 53,882 psi | 86% | 2654 fps | 96.8% |
| Ramshot Wild Boar | <<locked>> | 94% | 56,260 psi | 90% | 2726 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 90% | 54,737 psi | 88% | 2651 fps | 98.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,142 psi | 55% | 1621 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 53,011 psi | 85% | 2638 fps | 100% |
| ReloadSwiss RS 50ᴾ | <<locked>> | 100% | 56,376 psi | 90% | 2697 fps | 96.3% |
| ReloadSwiss RS 52 | <<locked>> | 96% | 53,940 psi | 86% | 2776 fps | 98.7% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 50,386 psi | 81% | 2749 fps | 100% |
| Rottweil R 901 | <<locked>> | 94% | 56,304 psi | 90% | 2667 fps | 100% |
| Rottweil R 902 | <<locked>> | 98% | 55,753 psi | 89% | 2674 fps | 99.8% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 49,284 psi | 79% | 2638 fps | 98.9% |
| Shooters World AR Plus | <<locked>> | 82% | 52,924 psi | 85% | 2635 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 96% | 55,637 psi | 89% | 2710 fps | 100% |
| Shooters World Precision | <<locked>> | 98% | 53,011 psi | 85% | 2657 fps | 99.6% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 53,330 psi | 86% | 2608 fps | 99.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 84% | 56,043 psi | 90% | 2333 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 86% | 55,985 psi | 90% | 2687 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 51,779 psi | 83% | 2703 fps | 98.7% |
| SNPE Vectan SP 3 | <<locked>> | 88% | 55,811 psi | 89% | 2635 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 94% | 55,201 psi | 89% | 2677 fps | 97.6% |
| SNPE Vectan SP 9 | <<locked>> | 96% | 55,550 psi | 89% | 2707 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 94% | 54,839 psi | 88% | 2589 fps | 100% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 54,056 psi | 87% | 2582 fps | 100% |
| Somchem S321 | <<locked>> | 90% | 54,389 psi | 87% | 2684 fps | 99.8% |
| Somchem S335 | <<locked>> | 94% | 53,534 psi | 86% | 2589 fps | 100% |
| Somchem S341 | <<locked>> | 94% | 54,578 psi | 88% | 2677 fps | 99% |
| Somchem S355ᴾ | <<locked>> | 100% | 50,546 psi | 81% | 2644 fps | 98.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 35,955 psi | 58% | 2470 fps | 97% |
| Vihtavuori N120 | <<locked>> | 82% | 53,330 psi | 86% | 2493 fps | 100% |
| Vihtavuori N130 | <<locked>> | 90% | 54,882 psi | 88% | 2569 fps | 100% |
| Vihtavuori N133 | <<locked>> | 94% | 54,578 psi | 88% | 2579 fps | 100% |
| Vihtavuori N135 | <<locked>> | 98% | 54,476 psi | 87% | 2648 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 52,982 psi | 85% | 2625 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 48,704 psi | 78% | 2585 fps | 99.5% |
| Vihtavuori N530 | <<locked>> | 92% | 53,621 psi | 86% | 2644 fps | 99.6% |
| Vihtavuori N540 | <<locked>> | 98% | 54,621 psi | 88% | 2664 fps | 100% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 44,628 psi | 72% | 2526 fps | 97.8% |
| Winchester 748 | <<locked>> | 94% | 56,260 psi | 90% | 2740 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 96% | 55,158 psi | 88% | 2713 fps | 99.5% |
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% | 37,275 psi | 60% | 2343 fps | 100% |
| Accurate 2200 | <<locked>> | 80% | 48,501 psi | 78% | 2589 fps | 97.5% |
| Accurate 2230 | <<locked>> | 80% | 48,631 psi | 78% | 2595 fps | 97.9% |
| Accurate 2460 | <<locked>> | 80% | 40,306 psi | 65% | 2431 fps | 99.3% |
| Accurate 2495 | <<locked>> | 80% | 29,283 psi | 47% | 2238 fps | 99.4% |
| Accurate 2520 | <<locked>> | 80% | 35,592 psi | 57% | 2375 fps | 98.3% |
| Accurate 4064 | <<locked>> | 80% | 27,760 psi | 45% | 2211 fps | 96.9% |
| Accurate LT-30 | <<locked>> | 80% | 46,296 psi | 74% | 2434 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 46,673 psi | 75% | 2451 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 82% | 36,608 psi | 59% | 2382 fps | 95.3% |
| ADI AR 2207 | <<locked>> | 80% | 50,241 psi | 81% | 2500 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 40,161 psi | 64% | 2438 fps | 95.6% |
| ADI AR 2219 | <<locked>> | 80% | 45,310 psi | 73% | 2530 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 36,361 psi | 58% | 2352 fps | 96.7% |
| Alliant AR-Comp | <<locked>> | 80% | 34,621 psi | 56% | 2365 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 41,756 psi | 67% | 2533 fps | 97.6% |
| Alliant Power Pro 2000-MR | 66.3 gr | 88% | 40,524 psi | 65% | 2546 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 33,866 psi | 54% | 2349 fps | 95.6% |
| Alliant Reloder-10x | <<locked>> | 80% | 42,714 psi | 68% | 2444 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 39,378 psi | 63% | 2461 fps | 95.6% |
| Alliant Reloder-17 | <<locked>> | 92% | 36,056 psi | 58% | 2457 fps | 95.1% |
| Alliant Reloder-7 | <<locked>> | 80% | 51,024 psi | 82% | 2513 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 44,962 psi | 72% | 2428 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 40,611 psi | 65% | 2480 fps | 95.2% |
| Bofors RP3 | <<locked>> | 86% | 33,040 psi | 53% | 2346 fps | 95.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 38,522 psi | 62% | 2359 fps | 97.8% |
| Hodgdon BL-C2 | <<locked>> | 80% | 33,852 psi | 54% | 2352 fps | 96.6% |
| Hodgdon CFE223 | 63.2 gr | 82% | 40,263 psi | 65% | 2530 fps | 95.8% |
| Hodgdon H322 | <<locked>> | 80% | 41,379 psi | 66% | 2464 fps | 99.9% |
| Hodgdon H335 | <<locked>> | 80% | 41,829 psi | 67% | 2480 fps | 99.6% |
| Hodgdon H380 | <<locked>> | 94% | 45,295 psi | 73% | 2559 fps | 95.7% |
| Hodgdon H4198 | <<locked>> | 80% | 51,024 psi | 82% | 2520 fps | 100% |
| Hodgdon H4895 | <<locked>> | 80% | 34,534 psi | 55% | 2343 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 32,706 psi | 52% | 2349 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,179 psi | 40% | 1414 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 35,650 psi | 57% | 2352 fps | 95.6% |
| IMR 3031 | <<locked>> | 80% | 32,953 psi | 53% | 2352 fps | 99.5% |
| IMR 4064 | <<locked>> | 88% | 39,523 psi | 63% | 2418 fps | 95.7% |
| IMR 4198 | <<locked>> | 80% | 43,801 psi | 70% | 2418 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 35,375 psi | 57% | 2392 fps | 95% |
| IMR 8208 XBR | <<locked>> | 80% | 36,361 psi | 58% | 2352 fps | 96.7% |
| Lovex D073.4 | <<locked>> | 80% | 49,327 psi | 79% | 2582 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 80% | 40,074 psi | 64% | 2431 fps | 98.5% |
| Lovex D073.6 | <<locked>> | 80% | 32,039 psi | 51% | 2310 fps | 97.2% |
| Lovex S060 | <<locked>> | 82% | 37,739 psi | 61% | 2339 fps | 95.7% |
| Lovex S062 | <<locked>> | 82% | 32,024 psi | 51% | 2277 fps | 95.4% |
| Norma 200 | <<locked>> | 80% | 47,950 psi | 77% | 2503 fps | 100% |
| Norma 201 | <<locked>> | 80% | 33,417 psi | 54% | 2293 fps | 95.8% |
| Norma 202 | <<locked>> | 80% | 33,388 psi | 54% | 2313 fps | 98.2% |
| Norma 203B | <<locked>> | 86% | 36,187 psi | 58% | 2402 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 88% | 38,479 psi | 62% | 2461 fps | 95.6% |
| Ramshot TAC | <<locked>> | 88% | 47,282 psi | 76% | 2549 fps | 95.4% |
| Ramshot Wild Boar | <<locked>> | 82% | 37,434 psi | 60% | 2408 fps | 95.5% |
| Ramshot X-Terminator | <<locked>> | 80% | 39,537 psi | 63% | 2398 fps | 96% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,135 psi | 40% | 1444 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 40,915 psi | 66% | 2441 fps | 99% |
| ReloadSwiss RS 50 | <<locked>> | 98% | 52,910 psi | 85% | 2648 fps | 95.6% |
| ReloadSwiss RS 52 | 62.8 gr | 86% | 38,232 psi | 61% | 2500 fps | 95.2% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 31,734 psi | 51% | 2362 fps | 96.1% |
| Rottweil R 901 | <<locked>> | 80% | 36,840 psi | 59% | 2349 fps | 98.8% |
| Rottweil R 902 | <<locked>> | 80% | 31,749 psi | 51% | 2247 fps | 95.2% |
| Rottweil R 903 | <<locked>> | 88% | 32,996 psi | 53% | 2336 fps | 95% |
| Shooters World AR Plus | <<locked>> | 80% | 49,327 psi | 79% | 2582 fps | 99.9% |
| Shooters World Match Rifle | <<locked>> | 80% | 32,039 psi | 51% | 2310 fps | 97.2% |
| Shooters World Precision | <<locked>> | 82% | 32,024 psi | 51% | 2277 fps | 95.4% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 43,163 psi | 69% | 2451 fps | 98% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 50,502 psi | 81% | 2267 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 45,600 psi | 73% | 2536 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 37,333 psi | 60% | 2444 fps | 95.3% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 43,497 psi | 70% | 2461 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 44,643 psi | 72% | 2516 fps | 95.4% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 37,507 psi | 60% | 2402 fps | 95.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 35,462 psi | 57% | 2277 fps | 98.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 28,761 psi | 46% | 2149 fps | 97.8% |
| Somchem S321 | <<locked>> | 80% | 38,667 psi | 62% | 2425 fps | 97.7% |
| Somchem S335 | <<locked>> | 80% | 34,722 psi | 56% | 2280 fps | 99.1% |
| Somchem S341 | <<locked>> | 82% | 36,085 psi | 58% | 2365 fps | 95% |
| Somchem S355 | <<locked>> | 88% | 34,461 psi | 55% | 2352 fps | 95.2% |
| Somchem S365 | <<locked>> | 96% | 31,691 psi | 51% | 2365 fps | 95.2% |
| Vihtavuori N120 | <<locked>> | 80% | 50,212 psi | 81% | 2451 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 40,408 psi | 65% | 2359 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 35,505 psi | 57% | 2287 fps | 99.9% |
| Vihtavuori N135 | <<locked>> | 80% | 30,458 psi | 49% | 2251 fps | 99.5% |
| Vihtavuori N140 | <<locked>> | 80% | 31,531 psi | 51% | 2254 fps | 98% |
| Vihtavuori N150 | <<locked>> | 86% | 30,618 psi | 49% | 2247 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 36,085 psi | 58% | 2346 fps | 96.7% |
| Vihtavuori N540 | <<locked>> | 80% | 30,284 psi | 49% | 2238 fps | 97.1% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 36,463 psi | 58% | 2369 fps | 95.4% |
| Winchester 748 | <<locked>> | 80% | 34,766 psi | 56% | 2379 fps | 97.2% |
| Winchester StaBALL Match | <<locked>> | 82% | 34,113 psi | 55% | 2349 fps | 95.2% |
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 90 powders for .375 H&H Mag. loaded with the .375 | 250gr | CutEdge Maximus. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,779 fps; across all powders the maximum-charge window runs from 1,581 fps to 2,779 fps. Accurate 4064 gives the best case fill at 100 %, and 90 of the 90 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 250.0 gr projectile in 0.375" calls for a 1:17.0 twist; slower twists will usually not stabilise this weight. Accurate 4064, ADI AR 2208, Alliant Reloder- TS 15.5 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 2000-MR, ReloadSwiss RS 52, Hodgdon CFE223 rank at the top here: for .375 H&H Mag. with the .375 | 250gr | CutEdge Maximus 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.