Load Specifications
Bullet Manufacturer:Rhino Bullets
Bullet Weight:350 gr
Bullet Diameter:0.374"
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:1:17.0
Load data in caliber .375 H&H Mag. with .374 | 350gr | Rhino Solid Shank bullet and 103 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-17, ReloadSwiss RS 60 and Alliant Power Pro 2000-MR.
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>> | 84% | 53,838 psi | 86% | 2139 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 55,695 psi | 89% | 2205 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 55,709 psi | 89% | 2201 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 53,896 psi | 86% | 2221 fps | 100% |
| Accurate 2700 | <<locked>> | 90% | 55,027 psi | 88% | 2215 fps | 98.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 38,870 psi | 62% | 2096 fps | 96.8% |
| Accurate 4064 | <<locked>> | 92% | 55,535 psi | 89% | 2244 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 54,737 psi | 88% | 2320 fps | 100% |
| ADI AR 2206H | <<locked>> | 88% | 56,101 psi | 90% | 2270 fps | 100% |
| ADI AR 2208 | <<locked>> | 92% | 53,751 psi | 86% | 2231 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 86% | 55,303 psi | 89% | 2231 fps | 100% |
| Alliant AR-Comp | <<locked>> | 86% | 56,014 psi | 90% | 2198 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 55,695 psi | 89% | 2375 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 46,586 psi | 75% | 2215 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 53,563 psi | 86% | 2251 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 54,302 psi | 87% | 2270 fps | 100% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 52,837 psi | 85% | 2323 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 96% | 53,838 psi | 86% | 2352 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 37,695 psi | 60% | 2126 fps | 99.4% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 41,524 psi | 67% | 2251 fps | 98.7% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 55,898 psi | 90% | 2290 fps | 100% |
| Bofors RP3 | <<locked>> | 92% | 54,070 psi | 87% | 2264 fps | 100% |
| Bofors RP7 | <<locked>> | 96% | 54,317 psi | 87% | 2244 fps | 98.2% |
| Hodgdon Benchmark | <<locked>> | 84% | 53,751 psi | 86% | 2175 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 54,302 psi | 87% | 2257 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 56,434 psi | 90% | 2339 fps | 100% |
| Hodgdon H322 | <<locked>> | 82% | 56,072 psi | 90% | 2218 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 55,013 psi | 88% | 2277 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 98% | 54,201 psi | 87% | 2323 fps | 98.8% |
| Hodgdon H4350 | <<locked>> | 96% | 55,085 psi | 88% | 2287 fps | 97.8% |
| Hodgdon H4895 | <<locked>> | 86% | 53,374 psi | 86% | 2238 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 48,921 psi | 78% | 2221 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 55,840 psi | 90% | 2310 fps | 100% |
| Hodgdon Superformance | <<locked>> | 98% | 54,911 psi | 88% | 2356 fps | 98.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,491 psi | 57% | 1325 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 54,433 psi | 87% | 2241 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 53,345 psi | 86% | 2221 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 53,316 psi | 85% | 2218 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 53,403 psi | 86% | 2205 fps | 98.5% |
| IMR 4350ᴾ | <<locked>> | 100% | 54,302 psi | 87% | 2267 fps | 98.3% |
| IMR 4451 Enduron | <<locked>> | 96% | 56,188 psi | 90% | 2267 fps | 98.8% |
| IMR 4831ᴾ | <<locked>> | 100% | 51,822 psi | 83% | 2274 fps | 99.9% |
| IMR 4895 | <<locked>> | 90% | 55,666 psi | 89% | 2293 fps | 100% |
| IMR 8208 XBR | <<locked>> | 86% | 55,303 psi | 89% | 2231 fps | 100% |
| Lovex D073.5 | <<locked>> | 82% | 55,434 psi | 89% | 2218 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 55,767 psi | 89% | 2251 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 55,796 psi | 89% | 2208 fps | 100% |
| Lovex S062 | <<locked>> | 92% | 56,289 psi | 90% | 2251 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 55,361 psi | 89% | 2260 fps | 99.6% |
| Lovex S070ᴾ | <<locked>> | 100% | 56,086 psi | 90% | 2290 fps | 99.1% |
| Norma 201 | <<locked>> | 88% | 55,071 psi | 88% | 2224 fps | 100% |
| Norma 202 | <<locked>> | 88% | 55,492 psi | 89% | 2224 fps | 100% |
| Norma 203B | <<locked>> | 90% | 53,461 psi | 86% | 2257 fps | 100% |
| Norma 204ᴾ | <<locked>> | 100% | 54,810 psi | 88% | 2306 fps | 97.3% |
| Norma MRPᴾ | <<locked>> | 100% | 41,771 psi | 67% | 2218 fps | 96.2% |
| Norma URPᴾ | <<locked>> | 100% | 53,853 psi | 86% | 2310 fps | 99.9% |
| Ramshot Big Game | <<locked>> | 90% | 53,708 psi | 86% | 2283 fps | 100% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 52,620 psi | 84% | 2313 fps | 99.2% |
| Ramshot TAC | <<locked>> | 86% | 55,477 psi | 89% | 2254 fps | 99.6% |
| Ramshot Wild Boar | <<locked>> | 86% | 54,955 psi | 88% | 2267 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 84% | 56,057 psi | 90% | 2234 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,911 psi | 58% | 1355 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 54,766 psi | 88% | 2211 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 55,492 psi | 89% | 2264 fps | 99.2% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 54,375 psi | 87% | 2323 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 53,737 psi | 86% | 2349 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 54,201 psi | 87% | 2343 fps | 99.9% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 54,302 psi | 87% | 2369 fps | 99.9% |
| Rottweil R 901 | <<locked>> | 86% | 55,999 psi | 90% | 2201 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 55,361 psi | 89% | 2221 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 53,708 psi | 86% | 2254 fps | 100% |
| Rottweil R 907 | <<locked>> | 96% | 54,317 psi | 87% | 2244 fps | 98.2% |
| Shooters World Long Rifle | <<locked>> | 98% | 55,361 psi | 89% | 2260 fps | 99.6% |
| Shooters World Match Rifle | <<locked>> | 88% | 55,767 psi | 89% | 2251 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 56,289 psi | 90% | 2251 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 56,086 psi | 90% | 2290 fps | 99.1% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 55,550 psi | 89% | 2310 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 53,911 psi | 86% | 2238 fps | 99.7% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 54,418 psi | 87% | 2251 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 53,388 psi | 86% | 2133 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 53,388 psi | 86% | 2136 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 55,724 psi | 89% | 2224 fps | 98.8% |
| Somchem S321 | <<locked>> | 84% | 56,405 psi | 90% | 2257 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 56,014 psi | 90% | 2172 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 53,476 psi | 86% | 2228 fps | 100% |
| Somchem S355 | <<locked>> | 94% | 54,302 psi | 87% | 2254 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 48,341 psi | 78% | 2274 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 44,860 psi | 72% | 2178 fps | 96.6% |
| Vihtavuori N130 | <<locked>> | 84% | 56,405 psi | 90% | 2133 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 53,621 psi | 86% | 2119 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 55,114 psi | 88% | 2188 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 55,912 psi | 90% | 2205 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 55,738 psi | 89% | 2238 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 53,040 psi | 85% | 2264 fps | 99.9% |
| Vihtavuori N530 | <<locked>> | 86% | 55,738 psi | 89% | 2228 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 54,056 psi | 87% | 2211 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 55,477 psi | 89% | 2313 fps | 99.9% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 40,799 psi | 65% | 2182 fps | 99.3% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 53,127 psi | 85% | 2247 fps | 100% |
| Winchester 748 | <<locked>> | 86% | 55,637 psi | 89% | 2270 fps | 100% |
| Winchester 760 | <<locked>> | 98% | 54,462 psi | 87% | 2326 fps | 98.9% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,576 psi | 54% | 2133 fps | 99.4% |
| Winchester StaBALL Match | <<locked>> | 88% | 54,273 psi | 87% | 2257 fps | 100% |
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% | 47,805 psi | 77% | 2070 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 52,156 psi | 84% | 2165 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 40,480 psi | 65% | 2021 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 47,152 psi | 76% | 2139 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 42,453 psi | 68% | 2044 fps | 95.6% |
| Accurate 3100 | <<locked>> | 96% | 34,069 psi | 55% | 2011 fps | 95.3% |
| Accurate 4064 | <<locked>> | 80% | 38,305 psi | 61% | 2021 fps | 100% |
| Accurate 4350 | <<locked>> | 82% | 29,675 psi | 48% | 1929 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 43,888 psi | 70% | 2110 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 80% | 37,304 psi | 60% | 1995 fps | 98.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 45,948 psi | 74% | 2113 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 46,296 psi | 74% | 2093 fps | 100% |
| Alliant Power Pro 2000-MR | 56.7 gr | 80% | 39,769 psi | 64% | 2142 fps | 98.9% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 43,830 psi | 70% | 2172 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,869 psi | 59% | 2014 fps | 99.4% |
| Alliant Reloder-15 | <<locked>> | 80% | 39,639 psi | 64% | 2064 fps | 99% |
| Alliant Reloder-16 | <<locked>> | 80% | 28,790 psi | 46% | 1900 fps | 95% |
| Alliant Reloder-17 | 55.8 gr | 80% | 31,749 psi | 51% | 1998 fps | 98.1% |
| Alliant Reloder-23 | <<locked>> | 88% | 26,382 psi | 42% | 1877 fps | 95.5% |
| Alliant Reloder-26 | <<locked>> | 92% | 31,749 psi | 51% | 2054 fps | 95.5% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 42,989 psi | 69% | 2119 fps | 99.1% |
| Bofors RP3 | <<locked>> | 80% | 36,492 psi | 59% | 2018 fps | 99.5% |
| Bofors RP7 | <<locked>> | 86% | 39,900 psi | 64% | 2034 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,761 psi | 77% | 2100 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 44,628 psi | 72% | 2136 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 80% | 49,153 psi | 79% | 2251 fps | 99.9% |
| Hodgdon H322 | <<locked>> | 80% | 52,707 psi | 85% | 2178 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 37,405 psi | 60% | 2024 fps | 97.5% |
| Hodgdon H414 | <<locked>> | 86% | 36,738 psi | 59% | 2057 fps | 95% |
| Hodgdon H4350 | <<locked>> | 88% | 43,047 psi | 69% | 2119 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 44,266 psi | 71% | 2119 fps | 99.9% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 26,368 psi | 42% | 1824 fps | 95.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,205 psi | 64% | 2103 fps | 99.8% |
| Hodgdon Superformance | <<locked>> | 90% | 41,539 psi | 67% | 2162 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,411 psi | 42% | 1181 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,438 psi | 68% | 2080 fps | 99.8% |
| IMR 3031 | <<locked>> | 80% | 43,932 psi | 70% | 2106 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,175 psi | 63% | 2018 fps | 98.9% |
| IMR 4166 Enduron | <<locked>> | 80% | 41,640 psi | 67% | 2037 fps | 96.3% |
| IMR 4350 | <<locked>> | 90% | 39,827 psi | 64% | 2057 fps | 95.2% |
| IMR 4451 Enduron | <<locked>> | 84% | 39,146 psi | 63% | 2024 fps | 95.5% |
| IMR 4831 | <<locked>> | 82% | 29,095 psi | 47% | 1903 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 40,567 psi | 65% | 2087 fps | 99.5% |
| IMR 8208 XBR | <<locked>> | 80% | 45,948 psi | 74% | 2113 fps | 100% |
| Lovex D073.5 | <<locked>> | 80% | 51,880 psi | 83% | 2175 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 42,830 psi | 69% | 2093 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 44,150 psi | 71% | 2057 fps | 99.7% |
| Lovex S062 | <<locked>> | 80% | 39,233 psi | 63% | 2024 fps | 99.8% |
| Lovex S065 | <<locked>> | 82% | 34,258 psi | 55% | 1942 fps | 95.6% |
| Lovex S070 | <<locked>> | 86% | 36,608 psi | 59% | 2005 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 43,178 psi | 69% | 2073 fps | 100% |
| Norma 202 | <<locked>> | 80% | 43,221 psi | 69% | 2073 fps | 100% |
| Norma 203B | <<locked>> | 80% | 38,986 psi | 63% | 2054 fps | 99.2% |
| Norma 204 | <<locked>> | 94% | 45,034 psi | 72% | 2172 fps | 95.1% |
| Norma MRP | <<locked>> | 98% | 39,160 psi | 63% | 2169 fps | 95.4% |
| Norma URP | <<locked>> | 82% | 30,327 psi | 49% | 1932 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 38,450 psi | 62% | 2067 fps | 99.1% |
| Ramshot Hunter | <<locked>> | 88% | 35,853 psi | 57% | 2051 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 45,759 psi | 73% | 2126 fps | 98.6% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,295 psi | 73% | 2139 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 80% | 49,472 psi | 79% | 2152 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,861 psi | 43% | 1211 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 51,576 psi | 83% | 2172 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 37,666 psi | 60% | 2008 fps | 95.9% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,408 psi | 66% | 2146 fps | 99.3% |
| ReloadSwiss RS 60 | 55.8 gr | 80% | 33,779 psi | 54% | 2047 fps | 99.9% |
| ReloadSwiss RS 62 | <<locked>> | 82% | 29,559 psi | 47% | 1942 fps | 95% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 34,055 psi | 55% | 2037 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 46,992 psi | 75% | 2093 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 41,017 psi | 66% | 2034 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 80% | 34,330 psi | 55% | 1975 fps | 98.9% |
| Rottweil R 907 | <<locked>> | 86% | 39,900 psi | 64% | 2034 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 82% | 34,258 psi | 55% | 1942 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 42,830 psi | 69% | 2093 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 39,233 psi | 63% | 2024 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 86% | 36,608 psi | 59% | 2005 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,157 psi | 56% | 2014 fps | 98.5% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 44,019 psi | 71% | 2106 fps | 98.7% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,250 psi | 68% | 2087 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,469 psi | 71% | 2024 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,956 psi | 59% | 1926 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 37,797 psi | 61% | 1978 fps | 95.3% |
| Somchem S321 | <<locked>> | 80% | 49,603 psi | 80% | 2178 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 44,150 psi | 71% | 2031 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 43,801 psi | 70% | 2103 fps | 99.7% |
| Somchem S355 | <<locked>> | 80% | 35,360 psi | 57% | 1982 fps | 98.9% |
| Somchem S365 | <<locked>> | 80% | 25,527 psi | 41% | 1857 fps | 97.1% |
| Somchem S385 | <<locked>> | 96% | 39,421 psi | 63% | 2093 fps | 95.1% |
| Vihtavuori N130 | <<locked>> | 80% | 50,183 psi | 80% | 2064 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 44,788 psi | 72% | 2018 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,422 psi | 65% | 2014 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 40,944 psi | 66% | 2024 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,417 psi | 54% | 1929 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 80% | 29,791 psi | 48% | 1893 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 46,064 psi | 74% | 2110 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 39,450 psi | 63% | 2021 fps | 100% |
| Vihtavuori N550 | <<locked>> | 82% | 31,096 psi | 50% | 1939 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 88% | 27,963 psi | 45% | 1932 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,718 psi | 48% | 1880 fps | 97.4% |
| Winchester 748 | <<locked>> | 80% | 45,542 psi | 73% | 2149 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 36,912 psi | 59% | 2060 fps | 95.1% |
| Winchester StaBALL HD | <<locked>> | 92% | 26,179 psi | 42% | 1932 fps | 95.8% |
| Winchester StaBALL Match | <<locked>> | 80% | 41,698 psi | 67% | 2093 fps | 99.8% |
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 103 powders for .375 H&H Mag. loaded with the .374 | 350gr | Rhino Solid Shank. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,375 fps; across all powders the maximum-charge window runs from 1,325 fps to 2,375 fps. Accurate 3100 gives the best case fill at 100 %, and 103 of the 103 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 350.0 gr projectile in 0.374" calls for a 1:17.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 4350, Alliant Power Pro Varmint 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 Reloder-17, ReloadSwiss RS 60, Alliant Power Pro 2000-MR rank at the top here: for .375 H&H Mag. with the .374 | 350gr | Rhino Solid Shank 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.