Load Specifications
Bullet Manufacturer:Peregrine
Bullet Weight:236 gr
Bullet Diameter:0.376"
Bullet Length:<<locked>>
Caliber:.375 Weath. Mag. load data
Case Length (l3):2.85"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:105 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:24"
Max. allowed Pressure:63,817 psi
Recommended Twist Rate:1:17.0
Load data in caliber .375 Weath. Mag. with .376 | 236gr | Peregrine VLR5 (VLR-5) bullet and 101 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>> | 90% | 54,998 psi | 86% | 2749 fps | 100% |
| Accurate 2200 | <<locked>> | 82% | 55,347 psi | 87% | 2844 fps | 98.8% |
| Accurate 2230 | <<locked>> | 82% | 56,478 psi | 89% | 2858 fps | 99.2% |
| Accurate 2460 | <<locked>> | 88% | 57,246 psi | 90% | 2825 fps | 100% |
| Accurate 2495 | <<locked>> | 96% | 55,288 psi | 87% | 2805 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 55,114 psi | 86% | 2831 fps | 100% |
| Accurate 4064 | <<locked>> | 98% | 55,027 psi | 86% | 2844 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 43,947 psi | 69% | 2733 fps | 96.4% |
| Accurate LT-30 | <<locked>> | 84% | 55,172 psi | 86% | 2700 fps | 100% |
| Accurate LT-32 | <<locked>> | 84% | 55,622 psi | 87% | 2723 fps | 100% |
| ADI AR 2206H | <<locked>> | 94% | 57,740 psi | 90% | 2887 fps | 99.6% |
| ADI AR 2207 | <<locked>> | 82% | 56,623 psi | 89% | 2717 fps | 100% |
| ADI AR 2208 | <<locked>> | 98% | 55,245 psi | 87% | 2828 fps | 98.9% |
| ADI AR 2219 | <<locked>> | 84% | 55,767 psi | 87% | 2818 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 92% | 57,130 psi | 90% | 2844 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 92% | 56,855 psi | 89% | 2828 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 54,882 psi | 86% | 2897 fps | 99.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 96% | 57,537 psi | 90% | 2999 fps | 99.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 54,230 psi | 85% | 2848 fps | 99.7% |
| Alliant Reloder-10x | <<locked>> | 86% | 54,911 psi | 86% | 2759 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 55,216 psi | 87% | 2871 fps | 99% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 44,440 psi | 70% | 2743 fps | 96.6% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 51,343 psi | 80% | 2900 fps | 99.4% |
| Alliant Reloder-7 | <<locked>> | 82% | 57,638 psi | 90% | 2740 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 54,462 psi | 85% | 2700 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 54,027 psi | 85% | 2848 fps | 98.5% |
| Bofors RP3 | <<locked>> | 98% | 54,375 psi | 85% | 2861 fps | 99.7% |
| Hodgdon Benchmark | <<locked>> | 90% | 55,927 psi | 88% | 2785 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 92% | 55,898 psi | 88% | 2874 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 88% | 53,969 psi | 85% | 2910 fps | 98.9% |
| Hodgdon H322 | <<locked>> | 86% | 54,389 psi | 85% | 2802 fps | 100% |
| Hodgdon H335 | <<locked>> | 86% | 55,506 psi | 87% | 2825 fps | 100% |
| Hodgdon H380 | <<locked>> | 98% | 56,333 psi | 88% | 2874 fps | 98.2% |
| Hodgdon H4198 | <<locked>> | 82% | 57,276 psi | 90% | 2749 fps | 100% |
| Hodgdon H4895 | <<locked>> | 92% | 54,708 psi | 86% | 2848 fps | 99.6% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 40,524 psi | 64% | 2631 fps | 97.2% |
| Hodgdon LEVERevolution | <<locked>> | 96% | 57,000 psi | 89% | 2927 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,418 psi | 54% | 1696 fps | 100% |
| Hodgdon VARGET | <<locked>> | 94% | 56,231 psi | 88% | 2851 fps | 99.6% |
| IMR 3031 | <<locked>> | 94% | 57,319 psi | 90% | 2884 fps | 100% |
| IMR 4064 | <<locked>> | 96% | 54,636 psi | 86% | 2812 fps | 99% |
| IMR 4166 Enduron | <<locked>> | 94% | 55,608 psi | 87% | 2792 fps | 95.8% |
| IMR 4198 | <<locked>> | 86% | 55,622 psi | 87% | 2723 fps | 100% |
| IMR 4831ᴾ | <<locked>> | 100% | 42,264 psi | 66% | 2680 fps | 96% |
| IMR 4895 | <<locked>> | 96% | 56,565 psi | 89% | 2904 fps | 99.5% |
| IMR 8208 XBR | <<locked>> | 92% | 57,130 psi | 90% | 2844 fps | 99.9% |
| Lovex D073.4 | <<locked>> | 82% | 57,217 psi | 90% | 2835 fps | 100% |
| Lovex D073.5 | <<locked>> | 88% | 57,290 psi | 90% | 2835 fps | 100% |
| Lovex D073.6 | <<locked>> | 94% | 56,782 psi | 89% | 2864 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 54,708 psi | 86% | 2769 fps | 99.3% |
| Lovex S062 | <<locked>> | 98% | 57,217 psi | 90% | 2858 fps | 99.9% |
| Lovex S065ᴾ | <<locked>> | 100% | 49,545 psi | 78% | 2740 fps | 96.1% |
| Norma 200 | <<locked>> | 82% | 54,665 psi | 86% | 2730 fps | 100% |
| Norma 201 | <<locked>> | 94% | 56,057 psi | 88% | 2831 fps | 99.9% |
| Norma 202 | <<locked>> | 94% | 56,579 psi | 89% | 2838 fps | 100% |
| Norma 203B | <<locked>> | 96% | 54,302 psi | 85% | 2858 fps | 99.3% |
| Norma URPᴾ | <<locked>> | 100% | 44,324 psi | 69% | 2730 fps | 96.3% |
| Ramshot Big Game | <<locked>> | 96% | 54,853 psi | 86% | 2884 fps | 99.2% |
| Ramshot TAC | <<locked>> | 90% | 54,215 psi | 85% | 2802 fps | 97.3% |
| Ramshot Wild Boar | <<locked>> | 92% | 56,826 psi | 89% | 2877 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 88% | 54,984 psi | 86% | 2799 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,592 psi | 54% | 1736 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 56,826 psi | 89% | 2831 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 98% | 57,072 psi | 89% | 2854 fps | 96.9% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 55,027 psi | 86% | 2933 fps | 99% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 54,940 psi | 86% | 2969 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 43,961 psi | 69% | 2749 fps | 96% |
| Rottweil R 901 | <<locked>> | 92% | 56,971 psi | 89% | 2818 fps | 100% |
| Rottweil R 902 | <<locked>> | 96% | 56,391 psi | 88% | 2825 fps | 99.9% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 53,998 psi | 85% | 2848 fps | 99.6% |
| Shooters World AR Plus | <<locked>> | 82% | 57,217 psi | 90% | 2835 fps | 100% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 49,545 psi | 78% | 2740 fps | 96.1% |
| Shooters World Match Rifle | <<locked>> | 94% | 56,782 psi | 89% | 2864 fps | 100% |
| Shooters World Precision | <<locked>> | 98% | 57,217 psi | 90% | 2858 fps | 99.9% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 56,942 psi | 89% | 2805 fps | 99.8% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 55,608 psi | 87% | 2461 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 56,246 psi | 88% | 2831 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 56,405 psi | 88% | 2913 fps | 99.4% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 56,188 psi | 88% | 2782 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 92% | 55,637 psi | 87% | 2831 fps | 98% |
| SNPE Vectan SP 9 | <<locked>> | 94% | 56,086 psi | 88% | 2858 fps | 99.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 55,056 psi | 86% | 2736 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 54,694 psi | 86% | 2730 fps | 100% |
| Somchem S321 | <<locked>> | 88% | 54,723 psi | 86% | 2828 fps | 99.9% |
| Somchem S335 | <<locked>> | 94% | 57,392 psi | 90% | 2776 fps | 100% |
| Somchem S341 | <<locked>> | 92% | 55,245 psi | 87% | 2828 fps | 99.3% |
| Somchem S355ᴾ | <<locked>> | 100% | 54,737 psi | 86% | 2848 fps | 99.5% |
| Somchem S365ᴾ | <<locked>> | 100% | 39,276 psi | 62% | 2674 fps | 98.3% |
| Vihtavuori N120 | <<locked>> | 82% | 56,507 psi | 89% | 2667 fps | 100% |
| Vihtavuori N130 | <<locked>> | 88% | 54,998 psi | 86% | 2707 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 55,027 psi | 86% | 2723 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 55,579 psi | 87% | 2799 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 57,203 psi | 90% | 2815 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 53,069 psi | 83% | 2785 fps | 99.9% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 46,905 psi | 74% | 2736 fps | 96.8% |
| Vihtavuori N530 | <<locked>> | 90% | 54,041 psi | 85% | 2792 fps | 99.8% |
| Vihtavuori N540 | <<locked>> | 96% | 55,274 psi | 87% | 2812 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 45,759 psi | 72% | 2736 fps | 96.4% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 48,254 psi | 76% | 2730 fps | 98.9% |
| Winchester 748 | <<locked>> | 92% | 56,942 psi | 89% | 2890 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 94% | 55,912 psi | 88% | 2867 fps | 99.7% |
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% | 40,016 psi | 63% | 2520 fps | 100% |
| Accurate 2200 | <<locked>> | 80% | 51,822 psi | 81% | 2789 fps | 98.3% |
| Accurate 2230 | <<locked>> | 80% | 52,417 psi | 82% | 2795 fps | 98.7% |
| Accurate 2460 | <<locked>> | 80% | 43,410 psi | 68% | 2615 fps | 99.8% |
| Accurate 2495 | <<locked>> | 80% | 32,082 psi | 50% | 2411 fps | 99.8% |
| Accurate 2520 | <<locked>> | 80% | 38,769 psi | 61% | 2562 fps | 99% |
| Accurate 4064 | <<locked>> | 80% | 30,385 psi | 48% | 2392 fps | 98% |
| Accurate 4350 | <<locked>> | 98% | 40,857 psi | 64% | 2674 fps | 95.6% |
| Accurate LT-30 | <<locked>> | 80% | 48,994 psi | 77% | 2612 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 49,371 psi | 77% | 2631 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 36,811 psi | 58% | 2513 fps | 95.7% |
| ADI AR 2207 | <<locked>> | 80% | 53,258 psi | 83% | 2674 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 37,985 psi | 60% | 2520 fps | 95.2% |
| ADI AR 2219 | <<locked>> | 80% | 48,646 psi | 76% | 2717 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 38,870 psi | 61% | 2533 fps | 97.6% |
| Alliant AR-Comp | <<locked>> | 80% | 37,652 psi | 59% | 2543 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 44,933 psi | 70% | 2726 fps | 98.4% |
| Alliant Power Pro 2000-MR | 73.5 gr | 86% | 40,669 psi | 64% | 2690 fps | 95.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 32,343 psi | 51% | 2431 fps | 95.2% |
| Alliant Reloder-10x | <<locked>> | 80% | 45,614 psi | 71% | 2621 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 37,347 psi | 59% | 2546 fps | 95.2% |
| Alliant Reloder-16 | <<locked>> | 98% | 41,727 psi | 65% | 2687 fps | 95.7% |
| Alliant Reloder-17 | <<locked>> | 90% | 36,608 psi | 57% | 2605 fps | 95.9% |
| Alliant Reloder-7 | <<locked>> | 80% | 54,085 psi | 85% | 2690 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 47,776 psi | 75% | 2605 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 41,104 psi | 64% | 2621 fps | 95.7% |
| Bofors RP3 | <<locked>> | 84% | 33,721 psi | 53% | 2480 fps | 95.9% |
| Hodgdon Benchmark | <<locked>> | 80% | 40,973 psi | 64% | 2536 fps | 98.6% |
| Hodgdon BL-C2 | <<locked>> | 80% | 36,796 psi | 58% | 2539 fps | 97.7% |
| Hodgdon CFE223 | 70 gr | 80% | 40,567 psi | 64% | 2671 fps | 96.2% |
| Hodgdon H322 | <<locked>> | 80% | 44,556 psi | 70% | 2651 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 45,092 psi | 71% | 2667 fps | 99.9% |
| Hodgdon H380 | <<locked>> | 90% | 42,931 psi | 67% | 2651 fps | 95.5% |
| Hodgdon H4198 | <<locked>> | 80% | 53,940 psi | 85% | 2703 fps | 100% |
| Hodgdon H4895 | <<locked>> | 80% | 37,043 psi | 58% | 2526 fps | 96.4% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 35,694 psi | 56% | 2526 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 33,141 psi | 52% | 2480 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,324 psi | 40% | 1512 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 35,795 psi | 56% | 2480 fps | 95.9% |
| IMR 3031 | <<locked>> | 80% | 35,984 psi | 56% | 2539 fps | 99.9% |
| IMR 4064 | <<locked>> | 84% | 37,463 psi | 59% | 2503 fps | 95.4% |
| IMR 4166 Enduron | <<locked>> | 92% | 52,214 psi | 82% | 2736 fps | 95.1% |
| IMR 4198 | <<locked>> | 80% | 46,586 psi | 73% | 2595 fps | 100% |
| IMR 4831 | <<locked>> | 98% | 39,523 psi | 62% | 2625 fps | 95.2% |
| IMR 4895 | <<locked>> | 82% | 35,781 psi | 56% | 2523 fps | 95.5% |
| IMR 8208 XBR | <<locked>> | 80% | 38,870 psi | 61% | 2533 fps | 97.6% |
| Lovex D073.4 | <<locked>> | 80% | 53,069 psi | 83% | 2779 fps | 100% |
| Lovex D073.5 | <<locked>> | 80% | 43,265 psi | 68% | 2618 fps | 99.2% |
| Lovex D073.6 | <<locked>> | 80% | 34,940 psi | 55% | 2490 fps | 98.2% |
| Lovex S060 | <<locked>> | 80% | 37,811 psi | 59% | 2467 fps | 96% |
| Lovex S062 | <<locked>> | 80% | 32,416 psi | 51% | 2402 fps | 95.7% |
| Lovex S065 | <<locked>> | 98% | 46,673 psi | 73% | 2690 fps | 95.4% |
| Norma 200 | <<locked>> | 80% | 51,271 psi | 80% | 2684 fps | 100% |
| Norma 201 | <<locked>> | 80% | 35,940 psi | 56% | 2470 fps | 96.9% |
| Norma 202 | <<locked>> | 80% | 36,129 psi | 57% | 2490 fps | 99% |
| Norma 203B | <<locked>> | 84% | 36,680 psi | 57% | 2536 fps | 95.7% |
| Norma URP | <<locked>> | 98% | 41,510 psi | 65% | 2677 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 84% | 36,332 psi | 57% | 2543 fps | 95.2% |
| Ramshot TAC | <<locked>> | 84% | 44,367 psi | 70% | 2638 fps | 95% |
| Ramshot Wild Boar | <<locked>> | 80% | 37,811 psi | 59% | 2543 fps | 95.9% |
| Ramshot X-Terminator | <<locked>> | 80% | 42,351 psi | 66% | 2582 fps | 97.1% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,599 psi | 40% | 1552 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 43,830 psi | 69% | 2628 fps | 99.5% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 50,082 psi | 78% | 2743 fps | 95.4% |
| ReloadSwiss RS 52 | 69.6 gr | 84% | 38,740 psi | 61% | 2641 fps | 95.7% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 30,008 psi | 47% | 2438 fps | 95.5% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 40,988 psi | 64% | 2690 fps | 95.1% |
| Rottweil R 901 | <<locked>> | 80% | 39,508 psi | 62% | 2530 fps | 99.3% |
| Rottweil R 902 | <<locked>> | 80% | 34,156 psi | 54% | 2425 fps | 96.3% |
| Rottweil R 903 | <<locked>> | 86% | 33,794 psi | 53% | 2474 fps | 95.5% |
| Shooters World AR Plus | <<locked>> | 80% | 53,069 psi | 83% | 2779 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 98% | 46,673 psi | 73% | 2690 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 34,940 psi | 55% | 2490 fps | 98.2% |
| Shooters World Precision | <<locked>> | 80% | 32,416 psi | 51% | 2402 fps | 95.7% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 46,340 psi | 73% | 2641 fps | 98.8% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 52,779 psi | 83% | 2425 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 48,994 psi | 77% | 2723 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 35,447 psi | 56% | 2530 fps | 95% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 46,427 psi | 73% | 2641 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 42,018 psi | 66% | 2602 fps | 95% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 35,433 psi | 56% | 2480 fps | 95.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,811 psi | 59% | 2451 fps | 99.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,879 psi | 48% | 2313 fps | 98.6% |
| Somchem S321 | <<locked>> | 80% | 41,597 psi | 65% | 2608 fps | 98.5% |
| Somchem S335 | <<locked>> | 80% | 37,202 psi | 58% | 2454 fps | 99.6% |
| Somchem S341 | <<locked>> | 80% | 36,376 psi | 57% | 2493 fps | 95.4% |
| Somchem S355 | <<locked>> | 86% | 34,940 psi | 55% | 2484 fps | 95.7% |
| Somchem S365 | <<locked>> | 94% | 32,445 psi | 51% | 2510 fps | 96% |
| Vihtavuori N120 | <<locked>> | 80% | 53,142 psi | 83% | 2625 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 42,975 psi | 67% | 2533 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 37,942 psi | 59% | 2457 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 33,025 psi | 52% | 2425 fps | 99.9% |
| Vihtavuori N140 | <<locked>> | 80% | 34,069 psi | 53% | 2428 fps | 98.8% |
| Vihtavuori N150 | <<locked>> | 82% | 29,138 psi | 46% | 2323 fps | 95% |
| Vihtavuori N160 | <<locked>> | 96% | 41,133 psi | 64% | 2628 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 38,711 psi | 61% | 2526 fps | 97.7% |
| Vihtavuori N540 | <<locked>> | 80% | 32,706 psi | 51% | 2408 fps | 98.1% |
| Vihtavuori N550 | <<locked>> | 98% | 42,873 psi | 67% | 2684 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 34,534 psi | 54% | 2454 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 37,579 psi | 59% | 2566 fps | 98.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 34,519 psi | 54% | 2480 fps | 95.6% |
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 101 powders for .375 Weath. Mag. loaded with the .376 | 236gr | Peregrine VLR5 (VLR-5). Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,999 fps; across all powders the maximum-charge window runs from 1,696 fps to 2,999 fps. Accurate 4350 gives the best case fill at 100 %, and 101 of the 101 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 236.0 gr projectile in 0.376" calls for a 1:17.0 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, Hodgdon CFE223 rank at the top here: for .375 Weath. Mag. with the .376 | 236gr | Peregrine VLR5 (VLR-5) 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.