Load Specifications
Load data in caliber .375 R Verney-Carron with .375 | 255gr | Barnes Original FN FB bullet and 85 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Alliant Reloder-26 and Hodgdon Superformance.
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: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 82% | 52,127 psi | 88% | 2756 fps | 100% |
| Accurate 2700 | <<locked>> | 86% | 51,387 psi | 86% | 2772 fps | 97.9% |
| Accurate 3100ᴾ | <<locked>> | 100% | 50,256 psi | 85% | 2851 fps | 99.1% |
| Accurate 4064 | <<locked>> | 84% | 52,431 psi | 88% | 2808 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 52,649 psi | 89% | 2907 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 86% | 52,939 psi | 89% | 2841 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 50,444 psi | 85% | 2887 fps | 96.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 51,532 psi | 87% | 2956 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 53,345 psi | 90% | 2861 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 53,621 psi | 90% | 2884 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 53,461 psi | 90% | 2966 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 50,981 psi | 86% | 2936 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 52,968 psi | 89% | 2933 fps | 97.6% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 49,980 psi | 84% | 2930 fps | 97.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 47,108 psi | 79% | 2871 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 41,249 psi | 69% | 2785 fps | 98.2% |
| Alliant Reloder-26 | <<locked>> | 98% | 50,082 psi | 84% | 3002 fps | 99.9% |
| Bofors RP15ᴾ | <<locked>> | 100% | 45,963 psi | 77% | 2851 fps | 96% |
| Bofors RP3 | <<locked>> | 84% | 50,546 psi | 85% | 2825 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 49,980 psi | 84% | 2930 fps | 97.2% |
| Bofors RP7 | <<locked>> | 90% | 53,708 psi | 90% | 2858 fps | 98.4% |
| Hodgdon H380 | <<locked>> | 84% | 51,111 psi | 86% | 2838 fps | 99.7% |
| Hodgdon H414 | <<locked>> | 88% | 52,692 psi | 89% | 2923 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 92% | 53,330 psi | 90% | 2890 fps | 97.9% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 53,708 psi | 90% | 2887 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 52,446 psi | 88% | 2884 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 51,329 psi | 86% | 2933 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,129 psi | 61% | 1788 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 52,518 psi | 88% | 2835 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 51,590 psi | 87% | 2805 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 51,764 psi | 87% | 2815 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 86% | 50,923 psi | 86% | 2789 fps | 98.4% |
| IMR 4350 | <<locked>> | 92% | 51,155 psi | 86% | 2838 fps | 98.1% |
| IMR 4451 Enduron | <<locked>> | 88% | 52,156 psi | 88% | 2835 fps | 98.6% |
| IMR 4831 | <<locked>> | 96% | 50,633 psi | 85% | 2861 fps | 99.9% |
| IMR 4895 | <<locked>> | 82% | 51,576 psi | 87% | 2858 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 98% | 53,548 psi | 90% | 2874 fps | 95.8% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 52,794 psi | 89% | 2969 fps | 96.2% |
| Lovex S062 | <<locked>> | 84% | 52,388 psi | 88% | 2815 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 52,040 psi | 88% | 2831 fps | 99.4% |
| Lovex S070 | <<locked>> | 92% | 53,142 psi | 89% | 2871 fps | 98.9% |
| Lovex S071ᴾ | <<locked>> | 100% | 41,785 psi | 70% | 2700 fps | 97.6% |
| Norma 203B | <<locked>> | 84% | 52,924 psi | 89% | 2867 fps | 100% |
| Norma 204 | <<locked>> | 92% | 51,459 psi | 87% | 2884 fps | 97.1% |
| Norma MRPᴾ | <<locked>> | 100% | 53,026 psi | 89% | 3015 fps | 98.9% |
| Norma URP | <<locked>> | 92% | 51,648 psi | 87% | 2894 fps | 99.9% |
| Ramshot Big Game | <<locked>> | 84% | 53,534 psi | 90% | 2897 fps | 100% |
| Ramshot Grand | <<locked>> | 98% | 52,547 psi | 88% | 2972 fps | 96.5% |
| Ramshot Hunter | <<locked>> | 92% | 50,314 psi | 85% | 2890 fps | 99.1% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 48,994 psi | 82% | 2887 fps | 97.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,782 psi | 62% | 1831 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 51,169 psi | 86% | 2822 fps | 98.9% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 50,531 psi | 85% | 2930 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 52,460 psi | 88% | 2930 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 51,097 psi | 86% | 2953 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 82% | 51,271 psi | 86% | 2782 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 50,749 psi | 85% | 2822 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 52,127 psi | 88% | 2861 fps | 96.1% |
| Rottweil R 905 | <<locked>> | 98% | 52,025 psi | 87% | 2917 fps | 97.6% |
| Rottweil R 907 | <<locked>> | 90% | 53,708 psi | 90% | 2858 fps | 98.4% |
| Shooters World Long Rifle | <<locked>> | 90% | 52,040 psi | 88% | 2831 fps | 99.4% |
| Shooters World Precision | <<locked>> | 84% | 52,388 psi | 88% | 2815 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 53,142 psi | 89% | 2871 fps | 98.9% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 52,185 psi | 88% | 2881 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 53,461 psi | 90% | 2858 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 52,170 psi | 88% | 2717 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 51,605 psi | 87% | 2782 fps | 98.6% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 51,547 psi | 87% | 2910 fps | 97.5% |
| Somchem S355 | <<locked>> | 86% | 50,850 psi | 86% | 2818 fps | 100% |
| Somchem S365 | <<locked>> | 94% | 50,299 psi | 85% | 2894 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 52,779 psi | 89% | 2894 fps | 98.4% |
| Unknown powder | <<locked>> | 90% | 52,257 psi | 88% | 2897 fps | 99.7% |
| Vihtavuori N135 | <<locked>> | 82% | 51,358 psi | 86% | 2743 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 51,663 psi | 87% | 2756 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 52,127 psi | 88% | 2799 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 53,693 psi | 90% | 2887 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 48,689 psi | 82% | 2812 fps | 97.2% |
| Vihtavuori N540 | <<locked>> | 84% | 53,214 psi | 89% | 2802 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 52,910 psi | 89% | 2894 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 52,866 psi | 89% | 2949 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 53,577 psi | 90% | 3002 fps | 96% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 53,403 psi | 90% | 2858 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 52,692 psi | 89% | 2923 fps | 98.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 42,569 psi | 72% | 2920 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 51,140 psi | 86% | 2858 fps | 97.1% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 48,936 psi | 82% | 2710 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 42,235 psi | 71% | 2605 fps | 95.8% |
| Accurate 3100 | <<locked>> | 90% | 35,708 psi | 60% | 2569 fps | 95.8% |
| Accurate 4064 | <<locked>> | 80% | 46,311 psi | 78% | 2717 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 34,882 psi | 59% | 2566 fps | 97.3% |
| ADI AR 2208 | <<locked>> | 80% | 43,888 psi | 74% | 2684 fps | 99.5% |
| ADI AR 2209 | <<locked>> | 92% | 44,324 psi | 75% | 2769 fps | 95.3% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,051 psi | 81% | 2894 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,164 psi | 74% | 2710 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,282 psi | 80% | 2779 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 34,345 psi | 58% | 2575 fps | 97.4% |
| Alliant Reloder-17 | <<locked>> | 80% | 38,624 psi | 65% | 2703 fps | 99.6% |
| Alliant Reloder-19 | <<locked>> | 92% | 43,772 psi | 74% | 2762 fps | 95.4% |
| Alliant Reloder-22 | <<locked>> | 96% | 43,816 psi | 74% | 2812 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 82% | 26,701 psi | 45% | 2382 fps | 95.6% |
| Alliant Reloder-25 | <<locked>> | 94% | 34,171 psi | 57% | 2608 fps | 95.6% |
| Alliant Reloder-26 | 95.9 gr | 86% | 32,663 psi | 55% | 2615 fps | 96% |
| Bofors RP15 | <<locked>> | 98% | 43,033 psi | 72% | 2792 fps | 95.2% |
| Bofors RP3 | <<locked>> | 80% | 44,382 psi | 75% | 2720 fps | 100% |
| Bofors RP5 | <<locked>> | 96% | 43,816 psi | 74% | 2812 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 39,233 psi | 66% | 2585 fps | 95.1% |
| Hodgdon H380 | <<locked>> | 80% | 44,860 psi | 75% | 2730 fps | 99% |
| Hodgdon H414 | <<locked>> | 80% | 40,001 psi | 67% | 2684 fps | 96.1% |
| Hodgdon H4350 | <<locked>> | 84% | 41,611 psi | 70% | 2671 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 31,778 psi | 53% | 2470 fps | 98% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 45,992 psi | 77% | 2776 fps | 100% |
| Hodgdon Superformance | 94.3 gr | 82% | 38,537 psi | 65% | 2677 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,079 psi | 46% | 1601 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 46,253 psi | 78% | 2730 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 48,341 psi | 81% | 2756 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,192 psi | 73% | 2661 fps | 99.5% |
| IMR 4166 Enduron | <<locked>> | 80% | 42,438 psi | 71% | 2628 fps | 96.7% |
| IMR 4350 | <<locked>> | 84% | 39,740 psi | 67% | 2618 fps | 95.3% |
| IMR 4451 Enduron | <<locked>> | 80% | 40,712 psi | 68% | 2618 fps | 96.1% |
| IMR 4831 | <<locked>> | 80% | 30,487 psi | 51% | 2438 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 48,515 psi | 82% | 2805 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 50,270 psi | 85% | 2818 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 98% | 49,385 psi | 83% | 2907 fps | 95.3% |
| Lovex S062 | <<locked>> | 80% | 46,369 psi | 78% | 2720 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 38,290 psi | 64% | 2572 fps | 96.9% |
| Lovex S070 | <<locked>> | 80% | 36,477 psi | 61% | 2546 fps | 95.1% |
| Lovex S071 | <<locked>> | 94% | 34,447 psi | 58% | 2539 fps | 95.3% |
| Norma 203B | <<locked>> | 80% | 46,659 psi | 78% | 2766 fps | 99.9% |
| Norma 204 | <<locked>> | 88% | 44,889 psi | 75% | 2762 fps | 95.4% |
| Norma MRP | <<locked>> | 90% | 37,695 psi | 63% | 2707 fps | 95.1% |
| Norma URP | <<locked>> | 80% | 34,882 psi | 59% | 2562 fps | 97.2% |
| Ramshot Big Game | <<locked>> | 80% | 46,760 psi | 79% | 2785 fps | 99.9% |
| Ramshot Grand | <<locked>> | 96% | 48,733 psi | 82% | 2904 fps | 95.5% |
| Ramshot Hunter | <<locked>> | 82% | 36,114 psi | 61% | 2602 fps | 95.7% |
| Ramshot Magnum | <<locked>> | 96% | 42,148 psi | 71% | 2756 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,485 psi | 46% | 1637 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 44,947 psi | 76% | 2710 fps | 97.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 41,046 psi | 69% | 2759 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 34,461 psi | 58% | 2579 fps | 96.8% |
| ReloadSwiss RS 70 | 88.4 gr | 80% | 33,895 psi | 57% | 2585 fps | 96% |
| Rottweil R 902 | <<locked>> | 80% | 48,211 psi | 81% | 2733 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 41,800 psi | 70% | 2667 fps | 99.8% |
| Rottweil R 904 | <<locked>> | 94% | 48,979 psi | 82% | 2805 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 92% | 42,743 psi | 72% | 2746 fps | 95.3% |
| Rottweil R 907 | <<locked>> | 80% | 39,233 psi | 66% | 2585 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,290 psi | 64% | 2572 fps | 96.9% |
| Shooters World Precision | <<locked>> | 80% | 46,369 psi | 78% | 2720 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 36,477 psi | 61% | 2546 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 42,815 psi | 72% | 2720 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,198 psi | 84% | 2805 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,308 psi | 73% | 2579 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 37,347 psi | 63% | 2510 fps | 95.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 42,322 psi | 71% | 2740 fps | 95.1% |
| Somchem S355 | <<locked>> | 80% | 42,264 psi | 71% | 2667 fps | 99.8% |
| Somchem S365 | <<locked>> | 80% | 31,328 psi | 53% | 2520 fps | 99% |
| Somchem S385 | <<locked>> | 90% | 40,640 psi | 68% | 2671 fps | 95.6% |
| Unknown powder | <<locked>> | 80% | 37,681 psi | 63% | 2621 fps | 97.4% |
| Vihtavuori N135 | <<locked>> | 80% | 48,124 psi | 81% | 2697 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 48,559 psi | 82% | 2710 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 40,292 psi | 68% | 2598 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 36,245 psi | 61% | 2566 fps | 97.5% |
| Vihtavuori N165 | <<locked>> | 96% | 42,554 psi | 72% | 2700 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 80% | 46,862 psi | 79% | 2707 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 35,737 psi | 60% | 2566 fps | 97.2% |
| Vihtavuori N555 | <<locked>> | 82% | 29,124 psi | 49% | 2461 fps | 95.7% |
| Vihtavuori N560 | <<locked>> | 98% | 49,995 psi | 84% | 2940 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,563 psi | 60% | 2536 fps | 99.2% |
| Winchester 760 | <<locked>> | 80% | 40,001 psi | 67% | 2684 fps | 96.1% |
| Winchester StaBALL HD | <<locked>> | 86% | 26,789 psi | 45% | 2467 fps | 96.4% |
| Winchester Supreme 780 | <<locked>> | 92% | 44,266 psi | 74% | 2736 fps | 95.4% |
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 97 powders for .375 R Verney-Carron loaded with the .375 | 255gr | Barnes Original FN FB. Norma MRP delivers the highest muzzle velocity at 3,015 fps; across all powders the maximum-charge window runs from 1,788 fps to 3,015 fps. Accurate 3100 gives the best case fill at 100 %, and 97 of the 97 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (410 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. Accurate 3100, Accurate MAGPRO, ADI AR 2213 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 70, Alliant Reloder-26, Hodgdon Superformance rank at the top here: for .375 R Verney-Carron with the .375 | 255gr | Barnes Original FN FB they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate MAGPRO, ADI AR 2225, Baschieri & Pellagri 109 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.