Load Specifications
Load data in caliber .375 Ruger with .374 | 235gr | Rhino Penetrator bullet and 91 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 ReloadSwiss RS 60.
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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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 23"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 53,650 psi | 86% | 2635 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 55,680 psi | 90% | 2700 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 54,549 psi | 88% | 2687 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 53,722 psi | 87% | 2707 fps | 100% |
| Accurate 4064 | <<locked>> | 96% | 54,375 psi | 88% | 2726 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 46,325 psi | 75% | 2667 fps | 97% |
| Accurate LT-30 | <<locked>> | 82% | 53,330 psi | 86% | 2585 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 53,722 psi | 87% | 2605 fps | 100% |
| ADI AR 2206H | <<locked>> | 92% | 56,014 psi | 90% | 2756 fps | 99.4% |
| ADI AR 2208 | <<locked>> | 96% | 53,722 psi | 87% | 2703 fps | 98.7% |
| ADI AR 2219 | <<locked>> | 82% | 53,882 psi | 87% | 2694 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 55,405 psi | 89% | 2720 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 90% | 55,216 psi | 89% | 2707 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 53,403 psi | 86% | 2769 fps | 99.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 55,593 psi | 90% | 2858 fps | 99% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 53,011 psi | 85% | 2723 fps | 99.6% |
| Alliant Reloder-10x | <<locked>> | 84% | 53,388 psi | 86% | 2641 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 53,737 psi | 87% | 2743 fps | 98.9% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 46,224 psi | 74% | 2674 fps | 97.1% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 53,621 psi | 86% | 2825 fps | 99.6% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 56,014 psi | 90% | 2621 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 56,144 psi | 90% | 2769 fps | 98.8% |
| Bofors RP3 | <<locked>> | 96% | 53,301 psi | 86% | 2736 fps | 99.7% |
| Hodgdon Benchmark | <<locked>> | 88% | 54,085 psi | 87% | 2661 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 90% | 54,331 psi | 88% | 2743 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 88% | 56,028 psi | 90% | 2831 fps | 99.2% |
| Hodgdon H322 | <<locked>> | 84% | 52,605 psi | 85% | 2677 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 53,708 psi | 87% | 2697 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 54,810 psi | 88% | 2743 fps | 98% |
| Hodgdon H4895 | <<locked>> | 90% | 53,214 psi | 86% | 2723 fps | 99.5% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 42,380 psi | 68% | 2566 fps | 97.7% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 55,390 psi | 89% | 2795 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,592 psi | 56% | 1660 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 54,563 psi | 88% | 2723 fps | 99.5% |
| IMR 3031 | <<locked>> | 92% | 55,782 psi | 90% | 2759 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 53,055 psi | 85% | 2687 fps | 98.8% |
| IMR 4198 | <<locked>> | 84% | 53,737 psi | 87% | 2608 fps | 100% |
| IMR 4831ᴾ | <<locked>> | 100% | 44,338 psi | 71% | 2615 fps | 96.6% |
| IMR 4895 | <<locked>> | 94% | 55,056 psi | 89% | 2772 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 90% | 55,405 psi | 89% | 2720 fps | 99.8% |
| Lovex D073.5 | <<locked>> | 86% | 55,796 psi | 90% | 2710 fps | 100% |
| Lovex D073.6 | <<locked>> | 92% | 55,187 psi | 89% | 2736 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 52,895 psi | 85% | 2644 fps | 99.1% |
| Lovex S062 | <<locked>> | 96% | 55,883 psi | 90% | 2733 fps | 99.9% |
| Lovex S065ᴾ | <<locked>> | 100% | 51,663 psi | 83% | 2667 fps | 96.6% |
| Norma 201 | <<locked>> | 92% | 54,868 psi | 88% | 2710 fps | 99.8% |
| Norma 202 | <<locked>> | 92% | 55,245 psi | 89% | 2717 fps | 100% |
| Norma 203B | <<locked>> | 94% | 52,852 psi | 85% | 2730 fps | 99.1% |
| Norma URPᴾ | <<locked>> | 100% | 46,441 psi | 75% | 2664 fps | 96.9% |
| Ramshot Big Game | <<locked>> | 94% | 53,200 psi | 86% | 2749 fps | 99.1% |
| Ramshot TAC | <<locked>> | 90% | 56,115 psi | 90% | 2726 fps | 97.6% |
| Ramshot Wild Boar | <<locked>> | 90% | 55,129 psi | 89% | 2746 fps | 99.3% |
| Ramshot X-Terminator | <<locked>> | 86% | 53,316 psi | 86% | 2671 fps | 99% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,867 psi | 56% | 1699 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 55,216 psi | 89% | 2710 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 96% | 55,521 psi | 89% | 2723 fps | 96.6% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 53,505 psi | 86% | 2802 fps | 98.9% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 53,388 psi | 86% | 2835 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 46,282 psi | 75% | 2684 fps | 96.7% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 47,558 psi | 77% | 2703 fps | 96% |
| Rottweil R 901 | <<locked>> | 90% | 55,724 psi | 90% | 2697 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 55,216 psi | 89% | 2707 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 98% | 52,910 psi | 85% | 2723 fps | 99.5% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 51,663 psi | 83% | 2667 fps | 96.6% |
| Shooters World Match Rifle | <<locked>> | 92% | 55,187 psi | 89% | 2736 fps | 100% |
| Shooters World Precision | <<locked>> | 96% | 55,883 psi | 90% | 2733 fps | 99.9% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 55,114 psi | 89% | 2677 fps | 99.7% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 54,273 psi | 87% | 2703 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 55,027 psi | 89% | 2782 fps | 99.3% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 54,433 psi | 88% | 2664 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 54,027 psi | 87% | 2700 fps | 97.8% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 54,534 psi | 88% | 2730 fps | 99.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 53,534 psi | 86% | 2618 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 53,229 psi | 86% | 2612 fps | 100% |
| Somchem S321 | <<locked>> | 86% | 53,243 psi | 86% | 2703 fps | 99.8% |
| Somchem S335 | <<locked>> | 92% | 56,028 psi | 90% | 2657 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 53,606 psi | 86% | 2700 fps | 99.1% |
| Somchem S355 | <<locked>> | 98% | 53,679 psi | 86% | 2726 fps | 99.5% |
| Somchem S365ᴾ | <<locked>> | 100% | 41,278 psi | 66% | 2615 fps | 98.8% |
| Vihtavuori N130 | <<locked>> | 86% | 53,505 psi | 86% | 2595 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 53,476 psi | 86% | 2608 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 54,230 psi | 87% | 2680 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 55,666 psi | 90% | 2694 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 55,332 psi | 89% | 2710 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 48,878 psi | 79% | 2664 fps | 97.3% |
| Vihtavuori N530 | <<locked>> | 90% | 55,927 psi | 90% | 2720 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 94% | 53,867 psi | 87% | 2687 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 47,906 psi | 77% | 2667 fps | 97% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 50,227 psi | 81% | 2654 fps | 99.2% |
| Winchester 748 | <<locked>> | 90% | 55,332 psi | 89% | 2762 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 92% | 54,302 psi | 87% | 2740 fps | 99.6% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 41,829 psi | 67% | 2461 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 45,585 psi | 73% | 2556 fps | 99.9% |
| Accurate 2495 | <<locked>> | 80% | 34,243 psi | 55% | 2369 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 40,596 psi | 65% | 2503 fps | 99.3% |
| Accurate 4064 | <<locked>> | 80% | 32,358 psi | 52% | 2349 fps | 98.4% |
| Accurate 4350 | <<locked>> | 96% | 40,263 psi | 65% | 2559 fps | 95.4% |
| Accurate LT-30 | <<locked>> | 80% | 50,183 psi | 81% | 2543 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 50,560 psi | 81% | 2562 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 38,377 psi | 62% | 2457 fps | 96.2% |
| ADI AR 2208 | <<locked>> | 86% | 39,378 psi | 63% | 2461 fps | 95.6% |
| ADI AR 2219 | <<locked>> | 80% | 50,415 psi | 81% | 2648 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 40,379 psi | 65% | 2474 fps | 98% |
| Alliant AR-Comp | <<locked>> | 80% | 39,436 psi | 64% | 2484 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 46,659 psi | 75% | 2664 fps | 98.7% |
| Alliant Power Pro 2000-MR | 70.4 gr | 84% | 39,711 psi | 64% | 2569 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 33,852 psi | 55% | 2379 fps | 95.7% |
| Alliant Reloder-10x | <<locked>> | 80% | 47,340 psi | 76% | 2559 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 39,131 psi | 63% | 2490 fps | 95.8% |
| Alliant Reloder-16 | <<locked>> | 96% | 40,828 psi | 66% | 2569 fps | 95.4% |
| Alliant Reloder-17 | <<locked>> | 88% | 35,868 psi | 58% | 2490 fps | 95.6% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 49,255 psi | 79% | 2533 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 39,958 psi | 64% | 2503 fps | 95.4% |
| Bofors RP3 | <<locked>> | 82% | 33,243 psi | 54% | 2379 fps | 95.7% |
| Hodgdon Benchmark | <<locked>> | 80% | 42,554 psi | 69% | 2477 fps | 98.8% |
| Hodgdon BL-C2 | <<locked>> | 80% | 38,522 psi | 62% | 2484 fps | 98.1% |
| Hodgdon CFE223 | <<locked>> | 80% | 42,322 psi | 68% | 2608 fps | 96.7% |
| Hodgdon H322 | <<locked>> | 80% | 45,934 psi | 74% | 2579 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 46,818 psi | 75% | 2598 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 42,047 psi | 68% | 2536 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 38,624 psi | 62% | 2467 fps | 96.9% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 35,056 psi | 56% | 2418 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 34,577 psi | 56% | 2425 fps | 96% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,672 psi | 41% | 1486 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,202 psi | 60% | 2425 fps | 96.3% |
| IMR 3031 | <<locked>> | 80% | 37,550 psi | 60% | 2477 fps | 99.9% |
| IMR 4064 | <<locked>> | 82% | 36,492 psi | 59% | 2395 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 47,805 psi | 77% | 2526 fps | 100% |
| IMR 4831 | <<locked>> | 96% | 38,885 psi | 63% | 2513 fps | 95% |
| IMR 4895 | <<locked>> | 80% | 35,056 psi | 56% | 2415 fps | 95.1% |
| IMR 8208 XBR | <<locked>> | 80% | 40,379 psi | 65% | 2474 fps | 98% |
| Lovex D073.5 | <<locked>> | 80% | 45,339 psi | 73% | 2556 fps | 99.4% |
| Lovex D073.6 | <<locked>> | 80% | 36,724 psi | 59% | 2438 fps | 98.6% |
| Lovex S060 | <<locked>> | 80% | 39,102 psi | 63% | 2408 fps | 96.4% |
| Lovex S062 | <<locked>> | 80% | 33,982 psi | 55% | 2352 fps | 96.3% |
| Lovex S065 | <<locked>> | 96% | 45,832 psi | 74% | 2572 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 37,579 psi | 61% | 2418 fps | 97.3% |
| Norma 202 | <<locked>> | 80% | 37,681 psi | 61% | 2434 fps | 99.2% |
| Norma 203B | <<locked>> | 82% | 36,013 psi | 58% | 2428 fps | 95.4% |
| Norma URP | <<locked>> | 96% | 40,828 psi | 66% | 2562 fps | 95.3% |
| Ramshot Big Game | <<locked>> | 84% | 38,043 psi | 61% | 2487 fps | 95.8% |
| Ramshot TAC | <<locked>> | 84% | 46,064 psi | 74% | 2569 fps | 95.5% |
| Ramshot Wild Boar | <<locked>> | 80% | 39,421 psi | 64% | 2484 fps | 96.4% |
| Ramshot X-Terminator | <<locked>> | 80% | 43,758 psi | 70% | 2516 fps | 97.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,860 psi | 42% | 1522 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 45,295 psi | 73% | 2559 fps | 99.6% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 48,863 psi | 79% | 2621 fps | 95.1% |
| ReloadSwiss RS 52 | 66.6 gr | 82% | 37,869 psi | 61% | 2526 fps | 95.3% |
| ReloadSwiss RS 60 | 66 gr | 80% | 29,399 psi | 47% | 2329 fps | 95.1% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 43,120 psi | 69% | 2628 fps | 95.8% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 44,396 psi | 72% | 2644 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 41,437 psi | 67% | 2474 fps | 99.5% |
| Rottweil R 902 | <<locked>> | 80% | 35,868 psi | 58% | 2375 fps | 96.8% |
| Rottweil R 903 | <<locked>> | 84% | 33,286 psi | 54% | 2372 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 96% | 45,832 psi | 74% | 2572 fps | 95.2% |
| Shooters World Match Rifle | <<locked>> | 80% | 36,724 psi | 59% | 2438 fps | 98.6% |
| Shooters World Precision | <<locked>> | 80% | 33,982 psi | 55% | 2352 fps | 96.3% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 47,964 psi | 77% | 2572 fps | 99% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 50,763 psi | 82% | 2651 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 37,028 psi | 60% | 2470 fps | 95.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 47,979 psi | 77% | 2575 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 44,034 psi | 71% | 2543 fps | 95.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 37,014 psi | 60% | 2425 fps | 95.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 39,305 psi | 63% | 2395 fps | 99.4% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,256 psi | 52% | 2264 fps | 98.9% |
| Somchem S321 | <<locked>> | 80% | 43,381 psi | 70% | 2546 fps | 98.8% |
| Somchem S335 | <<locked>> | 80% | 38,725 psi | 62% | 2395 fps | 99.7% |
| Somchem S341 | <<locked>> | 80% | 37,985 psi | 61% | 2438 fps | 95.9% |
| Somchem S355 | <<locked>> | 84% | 34,461 psi | 56% | 2382 fps | 95.4% |
| Somchem S365 | <<locked>> | 92% | 32,053 psi | 52% | 2405 fps | 95.8% |
| Vihtavuori N130 | <<locked>> | 80% | 44,527 psi | 72% | 2470 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 39,378 psi | 63% | 2398 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 34,664 psi | 56% | 2372 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 35,592 psi | 57% | 2372 fps | 99.1% |
| Vihtavuori N150 | <<locked>> | 82% | 30,719 psi | 49% | 2277 fps | 95.6% |
| Vihtavuori N160 | <<locked>> | 94% | 40,219 psi | 65% | 2513 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 40,321 psi | 65% | 2470 fps | 98% |
| Vihtavuori N540 | <<locked>> | 80% | 34,287 psi | 55% | 2359 fps | 98.4% |
| Vihtavuori N550 | <<locked>> | 96% | 42,003 psi | 68% | 2566 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 36,085 psi | 58% | 2395 fps | 95.8% |
| Winchester 748 | <<locked>> | 80% | 39,160 psi | 63% | 2503 fps | 98.5% |
| Winchester StaBALL Match | <<locked>> | 80% | 36,071 psi | 58% | 2425 fps | 96.1% |
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 91 powders for .375 Ruger loaded with the .374 | 235gr | Rhino Penetrator. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,858 fps; across all powders the maximum-charge window runs from 1,660 fps to 2,858 fps. Accurate 4350 gives the best case fill at 100 %, and 91 of the 91 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (428 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 235.0 gr projectile in 0.374" calls for a 1:6.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-17 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, ReloadSwiss RS 60 rank at the top here: for .375 Ruger with the .374 | 235gr | Rhino Penetrator 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.