Load Specifications
Load data in caliber .375 Ruger with .375 | 175gr | Lehigh Defense Controlled Fracturing bullet and 59 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2219, Winchester 748 and Hodgdon H335.
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"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 86% | 54,157 psi | 87% | 2910 fps | 100% |
| Accurate 2015ᴾ | <<locked>> | 100% | 54,636 psi | 88% | 2992 fps | 100% |
| Accurate 2460 | <<locked>> | 96% | 53,650 psi | 86% | 2999 fps | 98.9% |
| Accurate 2495ᴾ | <<locked>> | 100% | 42,221 psi | 68% | 2858 fps | 99.5% |
| Accurate 2520ᴾ | <<locked>> | 100% | 52,069 psi | 84% | 3022 fps | 98.4% |
| Accurate 2520ᴾ | <<locked>> | 100% | 52,069 psi | 84% | 3022 fps | 98.4% |
| Accurate 4064ᴾ | <<locked>> | 100% | 40,915 psi | 66% | 2841 fps | 97.3% |
| Accurate LT-30 | <<locked>> | 92% | 54,534 psi | 88% | 2923 fps | 99.7% |
| Accurate LT-32 | <<locked>> | 92% | 54,998 psi | 89% | 2933 fps | 98.6% |
| ADI AR 2207 | <<locked>> | 90% | 55,608 psi | 90% | 3002 fps | 100% |
| ADI AR 2219 | <<locked>> | 92% | 54,273 psi | 87% | 3062 fps | 99.7% |
| ADI Benchmark 8208ᴾ | <<locked>> | 100% | 55,303 psi | 89% | 3022 fps | 97.2% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 52,736 psi | 85% | 3059 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 94% | 52,968 psi | 85% | 3014 fps | 100% |
| Alliant Reloder-7 | <<locked>> | 88% | 53,969 psi | 87% | 2967 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 92% | 54,592 psi | 88% | 2941 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 98% | 55,201 psi | 89% | 3000 fps | 97.9% |
| Hodgdon BL-C2ᴾ | <<locked>> | 100% | 51,721 psi | 83% | 3025 fps | 97.3% |
| Hodgdon H322 | <<locked>> | 98% | 55,985 psi | 90% | 3067 fps | 99.7% |
| Hodgdon H335 | <<locked>> | 92% | 53,737 psi | 87% | 3049 fps | 99.2% |
| Hodgdon H4198 | <<locked>> | 90% | 53,795 psi | 87% | 2953 fps | 99.4% |
| Hodgdon H4895ᴾ | <<locked>> | 100% | 53,214 psi | 86% | 3039 fps | 96.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,011 psi | 53% | 1854 fps | 100% |
| IMR 3031ᴾ | <<locked>> | 100% | 44,585 psi | 72% | 2961 fps | 99.3% |
| IMR 4198 | <<locked>> | 94% | 54,172 psi | 87% | 2989 fps | 100% |
| IMR 4227 | <<locked>> | 84% | 54,085 psi | 87% | 2923 fps | 100% |
| IMR 8208 XBR | <<locked>> | 98% | 51,721 psi | 83% | 2993 fps | 96.8% |
| Lovex D073.4 | <<locked>> | 90% | 54,476 psi | 88% | 3025 fps | 98.5% |
| Lovex D073.5 | <<locked>> | 96% | 55,608 psi | 90% | 3043 fps | 98.3% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 50,299 psi | 81% | 2998 fps | 98.1% |
| Lovex S053 | <<locked>> | 86% | 55,840 psi | 90% | 2909 fps | 100% |
| Lovex S060ᴾ | <<locked>> | 100% | 54,563 psi | 88% | 2965 fps | 95.7% |
| Norma 200 | <<locked>> | 90% | 53,142 psi | 86% | 2992 fps | 100% |
| Norma 201ᴾ | <<locked>> | 100% | 50,865 psi | 82% | 2974 fps | 96.7% |
| Norma 202ᴾ | <<locked>> | 100% | 50,995 psi | 82% | 2997 fps | 98.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,372 psi | 52% | 1898 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 84% | 54,114 psi | 87% | 2954 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 96% | 55,680 psi | 90% | 3059 fps | 98.7% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 55,724 psi | 90% | 3035 fps | 99.1% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 48,283 psi | 78% | 2912 fps | 96% |
| Shooters World AR Plus | <<locked>> | 90% | 54,476 psi | 88% | 3025 fps | 98.5% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 50,299 psi | 81% | 2998 fps | 98.1% |
| Shooters World Tactical Rifle | <<locked>> | 92% | 52,881 psi | 85% | 2963 fps | 96.5% |
| SNPE Vectan BA6 1/2 | <<locked>> | 90% | 56,028 psi | 90% | 2746 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 92% | 55,071 psi | 89% | 3067 fps | 99.3% |
| SNPE Vectan SP 3 | <<locked>> | 94% | 52,779 psi | 85% | 2989 fps | 99.8% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 54,592 psi | 88% | 2956 fps | 99.1% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 43,642 psi | 70% | 2792 fps | 98.4% |
| Somchem S321 | <<locked>> | 96% | 53,200 psi | 86% | 3036 fps | 97.5% |
| Somchem S335ᴾ | <<locked>> | 100% | 53,040 psi | 85% | 2948 fps | 99.4% |
| Vihtavuori N120 | <<locked>> | 92% | 54,795 psi | 88% | 2934 fps | 100% |
| Vihtavuori N130 | <<locked>> | 98% | 56,057 psi | 90% | 2987 fps | 100% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 49,269 psi | 79% | 2894 fps | 99.8% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 43,700 psi | 70% | 2874 fps | 99.5% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 47,688 psi | 77% | 2913 fps | 98.6% |
| Vihtavuori N530 | <<locked>> | 98% | 55,259 psi | 89% | 3065 fps | 97.6% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 47,950 psi | 77% | 2935 fps | 98.2% |
| Winchester 748 | <<locked>> | 96% | 51,576 psi | 83% | 3050 fps | 97.8% |
| Winchester StaBALL Match | <<locked>> | 94% | 52,866 psi | 85% | 3042 fps | 96.4% |
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 1680 | <<locked>> | 80% | 44,121 psi | 71% | 2756 fps | 99.8% |
| Accurate 2015 | <<locked>> | 80% | 28,268 psi | 46% | 2477 fps | 95.2% |
| Accurate 2460 | <<locked>> | 86% | 37,724 psi | 61% | 2717 fps | 95.5% |
| Accurate 2495 | <<locked>> | 88% | 27,456 psi | 44% | 2523 fps | 95.5% |
| Accurate 2520 | <<locked>> | 92% | 38,711 psi | 62% | 2785 fps | 95.3% |
| Accurate 2520 | <<locked>> | 92% | 38,711 psi | 62% | 2785 fps | 95.3% |
| Accurate 4064 | <<locked>> | 96% | 35,853 psi | 58% | 2733 fps | 95.8% |
| Accurate LT-30 | <<locked>> | 80% | 37,463 psi | 60% | 2621 fps | 96.9% |
| Accurate LT-32 | <<locked>> | 82% | 40,364 psi | 65% | 2677 fps | 95.6% |
| ADI AR 2207 | <<locked>> | 80% | 40,596 psi | 65% | 2770 fps | 100% |
| ADI AR 2219 | 58.9 gr | 80% | 35,998 psi | 58% | 2725 fps | 96.5% |
| ADI Benchmark 8208 | <<locked>> | 94% | 45,585 psi | 73% | 2861 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 80% | 27,224 psi | 44% | 2541 fps | 97.7% |
| Alliant Reloder-10x | <<locked>> | 80% | 34,171 psi | 55% | 2665 fps | 98.6% |
| Alliant Reloder-7 | <<locked>> | 80% | 42,076 psi | 68% | 2774 fps | 99.9% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 36,767 psi | 59% | 2633 fps | 97.3% |
| Hodgdon Benchmark | <<locked>> | 90% | 43,105 psi | 69% | 2795 fps | 95.4% |
| Hodgdon BL-C2 | <<locked>> | 96% | 44,875 psi | 72% | 2910 fps | 95.8% |
| Hodgdon H322 | <<locked>> | 82% | 32,532 psi | 52% | 2638 fps | 95.2% |
| Hodgdon H335 | 62.2 gr | 80% | 35,259 psi | 57% | 2703 fps | 95.1% |
| Hodgdon H4198 | <<locked>> | 80% | 39,668 psi | 64% | 2700 fps | 97.1% |
| Hodgdon H4895 | <<locked>> | 98% | 48,834 psi | 79% | 2981 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,830 psi | 38% | 1661 fps | 100% |
| IMR 3031 | <<locked>> | 88% | 30,574 psi | 49% | 2643 fps | 95.4% |
| IMR 4198 | <<locked>> | 80% | 35,694 psi | 57% | 2662 fps | 99.4% |
| IMR 4227 | <<locked>> | 80% | 47,848 psi | 77% | 2830 fps | 100% |
| IMR 8208 XBR | <<locked>> | 94% | 45,585 psi | 73% | 2886 fps | 95.4% |
| Lovex D073.4 | <<locked>> | 82% | 40,509 psi | 65% | 2782 fps | 95.5% |
| Lovex D073.5 | <<locked>> | 88% | 41,901 psi | 68% | 2817 fps | 95.6% |
| Lovex D073.6 | <<locked>> | 92% | 37,376 psi | 60% | 2776 fps | 95.2% |
| Lovex S053 | <<locked>> | 80% | 46,804 psi | 75% | 2781 fps | 100% |
| Lovex S060 | <<locked>> | 98% | 50,401 psi | 81% | 2913 fps | 95% |
| Norma 200 | <<locked>> | 80% | 38,725 psi | 62% | 2748 fps | 99.7% |
| Norma 201 | <<locked>> | 96% | 44,425 psi | 72% | 2867 fps | 95.2% |
| Norma 202 | <<locked>> | 90% | 36,506 psi | 59% | 2733 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 23,801 psi | 38% | 1701 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 47,906 psi | 77% | 2863 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 39,987 psi | 64% | 2783 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 86% | 35,810 psi | 58% | 2681 fps | 95% |
| Rottweil R 902 | <<locked>> | 98% | 44,585 psi | 72% | 2859 fps | 95.2% |
| Shooters World AR Plus | <<locked>> | 82% | 40,509 psi | 65% | 2782 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 92% | 37,376 psi | 60% | 2776 fps | 95.2% |
| Shooters World Tactical Rifle | <<locked>> | 88% | 46,035 psi | 74% | 2850 fps | 95% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 43,120 psi | 69% | 2572 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 36,492 psi | 59% | 2724 fps | 95.4% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 33,518 psi | 54% | 2621 fps | 96.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 37,014 psi | 60% | 2655 fps | 95.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 31,778 psi | 51% | 2546 fps | 95% |
| Somchem S321 | <<locked>> | 90% | 43,192 psi | 70% | 2863 fps | 95.2% |
| Somchem S335 | <<locked>> | 86% | 33,953 psi | 55% | 2606 fps | 95.7% |
| Vihtavuori N120 | <<locked>> | 80% | 38,116 psi | 61% | 2677 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 32,155 psi | 52% | 2561 fps | 97.9% |
| Vihtavuori N133 | <<locked>> | 82% | 28,326 psi | 46% | 2468 fps | 95.3% |
| Vihtavuori N135 | <<locked>> | 86% | 27,557 psi | 44% | 2507 fps | 95.1% |
| Vihtavuori N140 | <<locked>> | 90% | 34,069 psi | 55% | 2653 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 92% | 45,208 psi | 73% | 2897 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 92% | 36,100 psi | 58% | 2723 fps | 95.4% |
| Winchester 748 | 69 gr | 90% | 41,916 psi | 68% | 2873 fps | 95.4% |
| Winchester StaBALL Match | <<locked>> | 92% | 48,950 psi | 79% | 2978 fps | 95.5% |
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 59 powders for .375 Ruger loaded with the .375 | 175gr | Lehigh Defense Controlled Fracturing. Hodgdon H322 delivers the highest muzzle velocity at 3,067 fps; across all powders the maximum-charge window runs from 1,854 fps to 3,067 fps. Accurate 2015 gives the best case fill at 100 %, and 59 of the 59 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (428 MPa), the top charges use 52–90 %, leaving at least 10 % headroom. Accurate 2015, Accurate 2495, Accurate 2520 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. ADI AR 2219, Winchester 748, Hodgdon H335 rank at the top here: for .375 Ruger with the .375 | 175gr | Lehigh Defense Controlled Fracturing 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.