Load Specifications
Bullet Manufacturer:Peregrine
Bullet Weight:276 gr
Bullet Diameter:0.376"
Bullet Length:<<locked>>
Caliber:.375 H&H Mag. load data
Case Length (l3):2.859"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:95.3 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:24"
Max. allowed Pressure:62,366 psi
Recommended Twist Rate:1:15.5
Load data in caliber .375 H&H Mag. with .376 | 276gr | Peregrine 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 LEVERevolution.
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% | 53,243 psi | 85% | 2444 fps | 100% |
| Accurate 2200 | <<locked>> | 82% | 53,896 psi | 86% | 2530 fps | 99% |
| Accurate 2230 | <<locked>> | 82% | 54,447 psi | 87% | 2539 fps | 99.3% |
| Accurate 2460 | <<locked>> | 88% | 55,201 psi | 89% | 2510 fps | 100% |
| Accurate 2495 | <<locked>> | 96% | 52,953 psi | 85% | 2493 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 52,982 psi | 85% | 2520 fps | 100% |
| Accurate 4064ᴾ | <<locked>> | 100% | 56,260 psi | 90% | 2572 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 41,626 psi | 67% | 2431 fps | 96.5% |
| Accurate LT-30 | <<locked>> | 84% | 53,969 psi | 87% | 2402 fps | 100% |
| Accurate LT-32 | <<locked>> | 84% | 54,404 psi | 87% | 2421 fps | 100% |
| ADI AR 2206H | <<locked>> | 94% | 55,753 psi | 89% | 2569 fps | 99.6% |
| ADI AR 2207 | <<locked>> | 82% | 55,216 psi | 89% | 2411 fps | 100% |
| ADI AR 2208 | <<locked>> | 98% | 53,229 psi | 85% | 2516 fps | 99% |
| ADI AR 2219 | <<locked>> | 84% | 54,157 psi | 87% | 2510 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 92% | 55,158 psi | 88% | 2530 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 92% | 54,592 psi | 88% | 2510 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 53,011 psi | 85% | 2575 fps | 99.7% |
| Alliant Power Pro 2000-MR | <<locked>> | 96% | 55,361 psi | 89% | 2671 fps | 99.3% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 55,405 psi | 89% | 2579 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 86% | 53,519 psi | 86% | 2454 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 53,040 psi | 85% | 2552 fps | 99.1% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 42,873 psi | 69% | 2444 fps | 96.8% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 49,066 psi | 79% | 2582 fps | 99.4% |
| Alliant Reloder-7 | <<locked>> | 82% | 56,057 psi | 90% | 2431 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 86% | 56,304 psi | 90% | 2441 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 94% | 55,492 psi | 89% | 2582 fps | 99% |
| Bofors RP3ᴾ | <<locked>> | 100% | 55,811 psi | 89% | 2595 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 90% | 54,172 psi | 87% | 2474 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 92% | 53,650 psi | 86% | 2559 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 90% | 55,767 psi | 89% | 2644 fps | 99.4% |
| Hodgdon H322 | <<locked>> | 88% | 56,043 psi | 90% | 2533 fps | 100% |
| Hodgdon H335 | <<locked>> | 86% | 53,432 psi | 86% | 2513 fps | 100% |
| Hodgdon H380 | <<locked>> | 98% | 53,983 psi | 87% | 2556 fps | 98.3% |
| Hodgdon H4198 | <<locked>> | 82% | 55,956 psi | 90% | 2441 fps | 100% |
| Hodgdon H4895 | <<locked>> | 94% | 56,275 psi | 90% | 2582 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 38,827 psi | 62% | 2339 fps | 97.3% |
| Hodgdon LEVERevolution | <<locked>> | 96% | 54,563 psi | 87% | 2605 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,185 psi | 55% | 1490 fps | 100% |
| Hodgdon VARGET | <<locked>> | 94% | 54,476 psi | 87% | 2539 fps | 99.7% |
| IMR 3031 | <<locked>> | 94% | 55,114 psi | 88% | 2566 fps | 100% |
| IMR 4064 | <<locked>> | 98% | 56,043 psi | 90% | 2546 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 94% | 53,896 psi | 86% | 2484 fps | 96% |
| IMR 4198 | <<locked>> | 86% | 54,172 psi | 87% | 2415 fps | 100% |
| IMR 4831ᴾ | <<locked>> | 100% | 40,263 psi | 65% | 2385 fps | 96.2% |
| IMR 4895 | <<locked>> | 96% | 54,317 psi | 87% | 2582 fps | 99.6% |
| IMR 8208 XBR | <<locked>> | 92% | 55,158 psi | 88% | 2530 fps | 99.9% |
| Lovex D073.4 | <<locked>> | 82% | 55,114 psi | 88% | 2520 fps | 100% |
| Lovex D073.5 | <<locked>> | 88% | 55,056 psi | 88% | 2520 fps | 100% |
| Lovex D073.6 | <<locked>> | 94% | 54,375 psi | 87% | 2549 fps | 100% |
| Lovex S060 | <<locked>> | 94% | 56,159 psi | 90% | 2507 fps | 99.6% |
| Lovex S062 | <<locked>> | 98% | 55,230 psi | 89% | 2543 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 47,819 psi | 77% | 2441 fps | 96.3% |
| Norma 200 | <<locked>> | 82% | 53,026 psi | 85% | 2425 fps | 100% |
| Norma 201 | <<locked>> | 94% | 54,273 psi | 87% | 2520 fps | 99.9% |
| Norma 202 | <<locked>> | 94% | 54,578 psi | 88% | 2526 fps | 100% |
| Norma 203B | <<locked>> | 98% | 55,637 psi | 89% | 2589 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 42,482 psi | 68% | 2434 fps | 96.5% |
| Ramshot Big Game | <<locked>> | 98% | 56,231 psi | 90% | 2615 fps | 99.6% |
| Ramshot TAC | <<locked>> | 92% | 55,941 psi | 90% | 2546 fps | 98% |
| Ramshot Wild Boar | <<locked>> | 92% | 54,810 psi | 88% | 2562 fps | 99.5% |
| Ramshot X-Terminator | <<locked>> | 88% | 53,171 psi | 85% | 2487 fps | 99.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,519 psi | 55% | 1529 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 88% | 55,143 psi | 88% | 2520 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 98% | 54,853 psi | 88% | 2539 fps | 96.9% |
| ReloadSwiss RS 52 | <<locked>> | 96% | 56,405 psi | 90% | 2661 fps | 99.5% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 52,518 psi | 84% | 2641 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 41,974 psi | 67% | 2451 fps | 96.1% |
| Rottweil R 901 | <<locked>> | 92% | 55,143 psi | 88% | 2503 fps | 100% |
| Rottweil R 902 | <<locked>> | 96% | 54,505 psi | 87% | 2513 fps | 99.9% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 51,706 psi | 83% | 2533 fps | 99.6% |
| Shooters World AR Plus | <<locked>> | 82% | 55,114 psi | 88% | 2520 fps | 100% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 47,819 psi | 77% | 2441 fps | 96.3% |
| Shooters World Match Rifle | <<locked>> | 94% | 54,375 psi | 87% | 2549 fps | 100% |
| Shooters World Precision | <<locked>> | 98% | 55,230 psi | 89% | 2543 fps | 100% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 55,071 psi | 88% | 2493 fps | 99.8% |
| SNPE Vectan BA6 1/2 | <<locked>> | 82% | 54,781 psi | 88% | 2178 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 54,317 psi | 87% | 2516 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 53,940 psi | 86% | 2592 fps | 99.5% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 54,592 psi | 88% | 2470 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 92% | 53,722 psi | 86% | 2520 fps | 98.1% |
| SNPE Vectan SP 9 | <<locked>> | 94% | 53,983 psi | 87% | 2543 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 53,461 psi | 86% | 2431 fps | 100% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 56,376 psi | 90% | 2467 fps | 100% |
| Somchem S321 | <<locked>> | 88% | 52,750 psi | 85% | 2520 fps | 99.9% |
| Somchem S335 | <<locked>> | 94% | 55,608 psi | 89% | 2470 fps | 100% |
| Somchem S341 | <<locked>> | 92% | 53,185 psi | 85% | 2516 fps | 99.3% |
| Somchem S355ᴾ | <<locked>> | 100% | 52,721 psi | 85% | 2536 fps | 99.6% |
| Somchem S365ᴾ | <<locked>> | 100% | 37,695 psi | 60% | 2385 fps | 98.5% |
| Vihtavuori N120 | <<locked>> | 82% | 55,100 psi | 88% | 2365 fps | 100% |
| Vihtavuori N130 | <<locked>> | 88% | 53,548 psi | 86% | 2408 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 53,374 psi | 86% | 2421 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 53,490 psi | 86% | 2487 fps | 100% |
| Vihtavuori N140 | <<locked>> | 96% | 55,172 psi | 88% | 2507 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 50,879 psi | 82% | 2477 fps | 99.9% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 44,860 psi | 72% | 2434 fps | 96.9% |
| Vihtavuori N530 | <<locked>> | 92% | 55,883 psi | 90% | 2533 fps | 100% |
| Vihtavuori N540 | <<locked>> | 96% | 53,171 psi | 85% | 2503 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 43,714 psi | 70% | 2438 fps | 96.5% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 46,311 psi | 74% | 2431 fps | 98.9% |
| Winchester 748 | <<locked>> | 92% | 54,665 psi | 88% | 2572 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 94% | 53,577 psi | 86% | 2552 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% | 38,798 psi | 62% | 2241 fps | 100% |
| Accurate 2200 | <<locked>> | 80% | 50,357 psi | 81% | 2480 fps | 98.5% |
| Accurate 2230 | <<locked>> | 80% | 50,836 psi | 82% | 2490 fps | 98.9% |
| Accurate 2460 | <<locked>> | 80% | 42,032 psi | 67% | 2326 fps | 99.8% |
| Accurate 2495 | <<locked>> | 80% | 30,879 psi | 50% | 2149 fps | 99.9% |
| Accurate 2520 | <<locked>> | 80% | 37,289 psi | 60% | 2280 fps | 99.2% |
| Accurate 4064 | <<locked>> | 80% | 29,240 psi | 47% | 2133 fps | 98.3% |
| Accurate 4350 | <<locked>> | 98% | 38,812 psi | 62% | 2382 fps | 95.7% |
| Accurate LT-30 | <<locked>> | 80% | 47,761 psi | 77% | 2320 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 48,153 psi | 77% | 2336 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 35,737 psi | 57% | 2241 fps | 96.1% |
| ADI AR 2207 | <<locked>> | 80% | 52,083 psi | 84% | 2375 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 36,724 psi | 59% | 2244 fps | 95.5% |
| ADI AR 2219 | <<locked>> | 80% | 47,253 psi | 76% | 2418 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 37,753 psi | 61% | 2257 fps | 97.9% |
| Alliant AR-Comp | <<locked>> | 80% | 36,332 psi | 58% | 2260 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 43,526 psi | 70% | 2428 fps | 98.7% |
| Alliant Power Pro 2000-MR | 62 gr | 86% | 39,276 psi | 63% | 2395 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 31,082 psi | 50% | 2165 fps | 95.6% |
| Alliant Reloder-10x | <<locked>> | 80% | 44,295 psi | 71% | 2329 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 36,100 psi | 58% | 2267 fps | 95.6% |
| Alliant Reloder-16 | <<locked>> | 96% | 37,826 psi | 61% | 2343 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 88% | 32,982 psi | 53% | 2267 fps | 95.1% |
| Alliant Reloder-7 | <<locked>> | 80% | 52,765 psi | 85% | 2388 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 46,427 psi | 74% | 2316 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 37,072 psi | 59% | 2287 fps | 95.2% |
| Bofors RP3 | <<locked>> | 82% | 30,124 psi | 48% | 2159 fps | 95.3% |
| Hodgdon Benchmark | <<locked>> | 80% | 40,016 psi | 64% | 2257 fps | 98.8% |
| Hodgdon BL-C2 | <<locked>> | 80% | 35,433 psi | 57% | 2264 fps | 98% |
| Hodgdon CFE223 | <<locked>> | 80% | 39,218 psi | 63% | 2379 fps | 96.5% |
| Hodgdon H322 | <<locked>> | 80% | 43,062 psi | 69% | 2352 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 43,656 psi | 70% | 2375 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 41,408 psi | 66% | 2362 fps | 95.7% |
| Hodgdon H4198 | <<locked>> | 80% | 52,634 psi | 84% | 2398 fps | 100% |
| Hodgdon H4895 | <<locked>> | 80% | 35,940 psi | 58% | 2251 fps | 96.8% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 32,256 psi | 52% | 2201 fps | 95% |
| Hodgdon LEVERevolution | 56.6 gr | 80% | 31,995 psi | 51% | 2211 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,411 psi | 41% | 1332 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 34,708 psi | 56% | 2211 fps | 96.3% |
| IMR 3031 | <<locked>> | 80% | 34,737 psi | 56% | 2257 fps | 99.9% |
| IMR 4064 | <<locked>> | 84% | 36,201 psi | 58% | 2228 fps | 95.7% |
| IMR 4166 Enduron | <<locked>> | 92% | 50,531 psi | 81% | 2438 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 45,469 psi | 73% | 2303 fps | 100% |
| IMR 4831 | <<locked>> | 98% | 37,637 psi | 60% | 2336 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 32,401 psi | 52% | 2201 fps | 95% |
| IMR 8208 XBR | <<locked>> | 80% | 37,753 psi | 61% | 2257 fps | 97.9% |
| Lovex D073.4 | <<locked>> | 80% | 51,459 psi | 83% | 2470 fps | 100% |
| Lovex D073.5 | <<locked>> | 80% | 41,727 psi | 67% | 2329 fps | 99.3% |
| Lovex D073.6 | <<locked>> | 80% | 33,562 psi | 54% | 2218 fps | 98.5% |
| Lovex S060 | <<locked>> | 80% | 36,753 psi | 59% | 2195 fps | 96.4% |
| Lovex S062 | <<locked>> | 80% | 31,299 psi | 50% | 2139 fps | 96.1% |
| Lovex S065 | <<locked>> | 98% | 44,831 psi | 72% | 2392 fps | 95.6% |
| Norma 200 | <<locked>> | 80% | 49,821 psi | 80% | 2385 fps | 100% |
| Norma 201 | <<locked>> | 80% | 34,824 psi | 56% | 2201 fps | 97.3% |
| Norma 202 | <<locked>> | 80% | 34,940 psi | 56% | 2218 fps | 99.2% |
| Norma 203B | <<locked>> | 82% | 33,127 psi | 53% | 2211 fps | 95.2% |
| Norma URP | <<locked>> | 98% | 39,929 psi | 64% | 2385 fps | 95.8% |
| Ramshot Big Game | <<locked>> | 84% | 35,041 psi | 56% | 2267 fps | 95.5% |
| Ramshot TAC | <<locked>> | 84% | 42,859 psi | 69% | 2346 fps | 95.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 36,535 psi | 59% | 2267 fps | 96.3% |
| Ramshot X-Terminator | <<locked>> | 80% | 40,886 psi | 66% | 2297 fps | 97.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,440 psi | 41% | 1362 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 42,380 psi | 68% | 2336 fps | 99.6% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 48,124 psi | 77% | 2444 fps | 95.5% |
| ReloadSwiss RS 52 | 57.4 gr | 82% | 34,954 psi | 56% | 2303 fps | 95.1% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 28,993 psi | 46% | 2175 fps | 96% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 39,247 psi | 63% | 2402 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 38,406 psi | 62% | 2251 fps | 99.5% |
| Rottweil R 902 | <<locked>> | 80% | 33,054 psi | 53% | 2156 fps | 96.7% |
| Rottweil R 903 | <<locked>> | 84% | 30,371 psi | 49% | 2156 fps | 95% |
| Shooters World AR Plus | <<locked>> | 80% | 51,459 psi | 83% | 2470 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 98% | 44,831 psi | 72% | 2392 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 33,562 psi | 54% | 2218 fps | 98.5% |
| Shooters World Precision | <<locked>> | 80% | 31,299 psi | 50% | 2139 fps | 96.1% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 44,904 psi | 72% | 2349 fps | 98.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 52,011 psi | 83% | 2149 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 47,514 psi | 76% | 2425 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 34,127 psi | 55% | 2254 fps | 95.3% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 45,121 psi | 72% | 2346 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 40,509 psi | 65% | 2316 fps | 95.3% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 34,360 psi | 55% | 2211 fps | 95.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 36,738 psi | 59% | 2178 fps | 99.4% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 29,921 psi | 48% | 2057 fps | 98.8% |
| Somchem S321 | <<locked>> | 80% | 40,190 psi | 64% | 2323 fps | 98.7% |
| Somchem S335 | <<locked>> | 80% | 36,129 psi | 58% | 2182 fps | 99.7% |
| Somchem S341 | <<locked>> | 80% | 35,114 psi | 56% | 2221 fps | 95.7% |
| Somchem S355 | <<locked>> | 84% | 31,720 psi | 51% | 2169 fps | 95.3% |
| Somchem S365 | <<locked>> | 92% | 29,225 psi | 47% | 2188 fps | 95.3% |
| Vihtavuori N120 | <<locked>> | 80% | 52,054 psi | 83% | 2329 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 41,829 psi | 67% | 2247 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 36,854 psi | 59% | 2182 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 31,879 psi | 51% | 2156 fps | 99.9% |
| Vihtavuori N140 | <<locked>> | 80% | 33,011 psi | 53% | 2162 fps | 99.1% |
| Vihtavuori N150 | <<locked>> | 82% | 28,079 psi | 45% | 2070 fps | 95.4% |
| Vihtavuori N160 | <<locked>> | 96% | 39,421 psi | 63% | 2339 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 37,579 psi | 60% | 2251 fps | 98% |
| Vihtavuori N540 | <<locked>> | 80% | 31,676 psi | 51% | 2149 fps | 98.3% |
| Vihtavuori N550 | <<locked>> | 96% | 38,290 psi | 61% | 2339 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 33,214 psi | 53% | 2185 fps | 95.3% |
| Winchester 748 | <<locked>> | 80% | 36,274 psi | 58% | 2283 fps | 98.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 33,257 psi | 53% | 2208 fps | 95.9% |
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 H&H Mag. loaded with the .376 | 276gr | Peregrine VLR-5. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,671 fps; across all powders the maximum-charge window runs from 1,490 fps to 2,671 fps. Accurate 4064 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 (430 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 276.0 gr projectile in 0.376" calls for a 1:15.5 twist; slower twists will usually not stabilise this weight. Accurate 4064, Accurate 4350, 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 LEVERevolution rank at the top here: for .375 H&H Mag. with the .376 | 276gr | Peregrine 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.