
Load Specifications
Load data in caliber .375 Raptor with .375 | 305gr | Hammer Claw Hammer bullet and 70 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 1200-R, SNPE Vectan SP 10 and ADI AR 2219.
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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Max Load - Barrel Length: 22"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 86% | 51,982 psi | 90% | 2008 fps | 100% |
| Accurate 2015ᴾ | <<locked>> | 100% | 51,822 psi | 89% | 2077 fps | 100% |
| Accurate 2200 | <<locked>> | 90% | 51,329 psi | 88% | 2100 fps | 95.7% |
| Accurate 2230 | <<locked>> | 90% | 50,952 psi | 88% | 2103 fps | 96.1% |
| Accurate 2460 | <<locked>> | 96% | 50,473 psi | 87% | 2090 fps | 99.4% |
| Accurate 2495ᴾ | <<locked>> | 100% | 39,624 psi | 68% | 1998 fps | 99.9% |
| Accurate 2520ᴾ | <<locked>> | 100% | 50,415 psi | 87% | 2126 fps | 99.2% |
| Accurate 4064ᴾ | <<locked>> | 100% | 36,912 psi | 64% | 1972 fps | 98.1% |
| Accurate LT-30 | <<locked>> | 90% | 49,719 psi | 86% | 1985 fps | 99.9% |
| Accurate LT-32 | <<locked>> | 90% | 50,198 psi | 87% | 1995 fps | 99% |
| ADI AR 2206Hᴾ | <<locked>> | 100% | 47,587 psi | 82% | 2077 fps | 96% |
| ADI AR 2207 | <<locked>> | 90% | 52,460 psi | 90% | 2044 fps | 100% |
| ADI AR 2219 | <<locked>> | 92% | 50,357 psi | 87% | 2100 fps | 99.9% |
| ADI Benchmark 8208ᴾ | <<locked>> | 100% | 50,734 psi | 87% | 2093 fps | 97.8% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 47,761 psi | 82% | 2096 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 96% | 51,227 psi | 88% | 2169 fps | 97.6% |
| Alliant Reloder-10x | <<locked>> | 94% | 49,385 psi | 85% | 2057 fps | 100% |
| Alliant Reloder-7 | <<locked>> | 88% | 50,952 psi | 88% | 2021 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 92% | 50,604 psi | 87% | 2018 fps | 100% |
| Hodgdon Benchmark | <<locked>> | 98% | 51,155 psi | 88% | 2057 fps | 98.4% |
| Hodgdon BL-C2ᴾ | <<locked>> | 100% | 47,877 psi | 83% | 2116 fps | 98% |
| Hodgdon CFE223 | <<locked>> | 98% | 50,604 psi | 87% | 2172 fps | 95.8% |
| Hodgdon H322 | <<locked>> | 96% | 51,837 psi | 89% | 2119 fps | 99.9% |
| Hodgdon H335 | <<locked>> | 94% | 49,327 psi | 85% | 2096 fps | 99.4% |
| Hodgdon H4198 | <<locked>> | 88% | 51,532 psi | 89% | 2018 fps | 99.8% |
| Hodgdon H4895ᴾ | <<locked>> | 100% | 47,718 psi | 82% | 2087 fps | 96.7% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 43,294 psi | 75% | 2060 fps | 95.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 32,430 psi | 56% | 1204 fps | 100% |
| Hodgdon VARGETᴾ | <<locked>> | 100% | 47,050 psi | 81% | 2057 fps | 96.3% |
| IMR 3031ᴾ | <<locked>> | 100% | 45,455 psi | 78% | 2093 fps | 99.9% |
| IMR 4198 | <<locked>> | 94% | 51,126 psi | 88% | 2034 fps | 100% |
| IMR 4227 | <<locked>> | 84% | 51,764 psi | 89% | 1978 fps | 100% |
| IMR 8208 XBRᴾ | <<locked>> | 100% | 50,734 psi | 87% | 2093 fps | 97.8% |
| Lovex D073.4 | <<locked>> | 90% | 51,517 psi | 89% | 2103 fps | 99.1% |
| Lovex D073.5 | <<locked>> | 96% | 50,372 psi | 87% | 2090 fps | 98.6% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 44,512 psi | 77% | 2064 fps | 98.4% |
| Lovex S053 | <<locked>> | 84% | 50,430 psi | 87% | 1936 fps | 100% |
| Lovex S060ᴾ | <<locked>> | 100% | 50,169 psi | 86% | 2037 fps | 96.3% |
| Lovex S062ᴾ | <<locked>> | 100% | 41,104 psi | 71% | 1985 fps | 96% |
| Norma 200 | <<locked>> | 90% | 49,850 psi | 86% | 2047 fps | 100% |
| Norma 201ᴾ | <<locked>> | 100% | 46,485 psi | 80% | 2044 fps | 97.2% |
| Norma 202ᴾ | <<locked>> | 100% | 46,079 psi | 79% | 2057 fps | 99.1% |
| Ramshot Wild Boarᴾ | <<locked>> | 100% | 49,864 psi | 86% | 2113 fps | 96.3% |
| Ramshot X-Terminator | <<locked>> | 96% | 50,111 psi | 86% | 2064 fps | 96.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,387 psi | 56% | 1234 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 84% | 51,532 psi | 89% | 2008 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 96% | 51,256 psi | 88% | 2096 fps | 99% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 50,749 psi | 87% | 2083 fps | 99.4% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 43,859 psi | 76% | 2001 fps | 96.6% |
| Shooters World AR Plus | <<locked>> | 90% | 51,517 psi | 89% | 2103 fps | 99.1% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 44,512 psi | 77% | 2064 fps | 98.4% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 41,104 psi | 71% | 1985 fps | 96% |
| Shooters World Tactical Rifle | <<locked>> | 94% | 52,460 psi | 90% | 2073 fps | 97.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 88% | 51,547 psi | 89% | 1827 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 92% | 50,662 psi | 87% | 2106 fps | 99.5% |
| SNPE Vectan SP 3 | <<locked>> | 94% | 50,502 psi | 87% | 2067 fps | 100% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 50,285 psi | 87% | 2024 fps | 99.4% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 40,176 psi | 69% | 1916 fps | 98.8% |
| Somchem S321 | <<locked>> | 98% | 51,851 psi | 89% | 2129 fps | 98.3% |
| Somchem S335ᴾ | <<locked>> | 100% | 48,298 psi | 83% | 2024 fps | 99.7% |
| Somchem S341ᴾ | <<locked>> | 100% | 48,254 psi | 83% | 2070 fps | 95.7% |
| Vihtavuori N120 | <<locked>> | 88% | 49,530 psi | 85% | 1975 fps | 100% |
| Vihtavuori N130 | <<locked>> | 96% | 50,024 psi | 86% | 2018 fps | 100% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 49,298 psi | 85% | 2024 fps | 100% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 41,176 psi | 71% | 1998 fps | 99.9% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 43,859 psi | 76% | 2008 fps | 99% |
| Vihtavuori N530ᴾ | <<locked>> | 100% | 51,576 psi | 89% | 2096 fps | 98% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 42,192 psi | 73% | 2005 fps | 98.4% |
| Winchester 748ᴾ | <<locked>> | 100% | 49,400 psi | 85% | 2129 fps | 98.4% |
| Winchester StaBALL Matchᴾ | <<locked>> | 100% | 45,237 psi | 78% | 2060 fps | 96% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 22"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 80% | 42,888 psi | 74% | 1903 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 28,079 psi | 48% | 1732 fps | 97.5% |
| Accurate 2200 | <<locked>> | 88% | 48,066 psi | 83% | 2057 fps | 95% |
| Accurate 2230 | <<locked>> | 88% | 47,558 psi | 82% | 2060 fps | 95.3% |
| Accurate 2460 | <<locked>> | 82% | 31,633 psi | 55% | 1818 fps | 95.6% |
| Accurate 2495 | <<locked>> | 82% | 22,060 psi | 38% | 1670 fps | 95.5% |
| Accurate 2520 | <<locked>> | 86% | 31,227 psi | 54% | 1847 fps | 95% |
| Accurate 4064 | <<locked>> | 92% | 28,689 psi | 49% | 1827 fps | 95.6% |
| Accurate LT-30 | <<locked>> | 80% | 36,811 psi | 63% | 1811 fps | 98.4% |
| Accurate LT-32 | <<locked>> | 80% | 37,217 psi | 64% | 1814 fps | 96.7% |
| ADI AR 2206H | <<locked>> | 98% | 44,947 psi | 77% | 2041 fps | 95.4% |
| ADI AR 2207 | <<locked>> | 80% | 38,682 psi | 67% | 1880 fps | 100% |
| ADI AR 2219 | 35.8 gr | 80% | 33,939 psi | 59% | 1867 fps | 97.6% |
| ADI Benchmark 8208 | <<locked>> | 92% | 39,914 psi | 69% | 1946 fps | 95.5% |
| Alliant AR-Comp | <<locked>> | 80% | 25,672 psi | 44% | 1739 fps | 98.9% |
| Alliant Power Pro 1200-R | 39 gr | 90% | 42,264 psi | 73% | 2047 fps | 95.7% |
| Alliant Reloder-10x | <<locked>> | 80% | 32,387 psi | 56% | 1818 fps | 99.4% |
| Alliant Reloder-7 | <<locked>> | 80% | 39,885 psi | 69% | 1883 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 34,737 psi | 60% | 1804 fps | 98.2% |
| Hodgdon Benchmark | <<locked>> | 86% | 35,969 psi | 62% | 1844 fps | 95% |
| Hodgdon BL-C2 | <<locked>> | 92% | 36,738 psi | 63% | 1952 fps | 95.4% |
| Hodgdon CFE223 | <<locked>> | 96% | 47,529 psi | 82% | 2129 fps | 95% |
| Hodgdon H322 | <<locked>> | 80% | 31,096 psi | 54% | 1811 fps | 96.7% |
| Hodgdon H335 | <<locked>> | 80% | 31,140 psi | 54% | 1821 fps | 95.6% |
| Hodgdon H4198 | <<locked>> | 80% | 40,625 psi | 70% | 1877 fps | 98.7% |
| Hodgdon H4895 | <<locked>> | 96% | 42,308 psi | 73% | 2014 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 98% | 40,654 psi | 70% | 2018 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,989 psi | 41% | 1073 fps | 100% |
| Hodgdon VARGET | <<locked>> | 96% | 41,771 psi | 72% | 1982 fps | 95% |
| IMR 3031 | <<locked>> | 82% | 26,136 psi | 45% | 1752 fps | 95.6% |
| IMR 4198 | <<locked>> | 80% | 34,360 psi | 59% | 1811 fps | 99.9% |
| IMR 4227 | <<locked>> | 80% | 45,948 psi | 79% | 1913 fps | 100% |
| IMR 8208 XBR | <<locked>> | 92% | 39,914 psi | 69% | 1946 fps | 95.5% |
| Lovex D073.4 | <<locked>> | 80% | 36,535 psi | 63% | 1900 fps | 96.5% |
| Lovex D073.5 | <<locked>> | 86% | 36,013 psi | 62% | 1896 fps | 95.6% |
| Lovex D073.6 | <<locked>> | 90% | 31,821 psi | 55% | 1870 fps | 95.2% |
| Lovex S053 | <<locked>> | 80% | 45,179 psi | 78% | 1877 fps | 100% |
| Lovex S060 | <<locked>> | 96% | 44,585 psi | 77% | 1965 fps | 95.1% |
| Lovex S062 | <<locked>> | 98% | 38,566 psi | 66% | 1946 fps | 95.3% |
| Norma 200 | <<locked>> | 80% | 36,564 psi | 63% | 1873 fps | 100% |
| Norma 201 | <<locked>> | 94% | 38,812 psi | 67% | 1936 fps | 95.4% |
| Norma 202 | <<locked>> | 86% | 30,037 psi | 52% | 1804 fps | 95.3% |
| Ramshot Wild Boar | <<locked>> | 98% | 46,804 psi | 81% | 2073 fps | 95.6% |
| Ramshot X-Terminator | <<locked>> | 94% | 47,108 psi | 81% | 2024 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 23,830 psi | 41% | 1099 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 45,571 psi | 79% | 1942 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 32,866 psi | 57% | 1831 fps | 95% |
| Rottweil R 901 | <<locked>> | 82% | 30,153 psi | 52% | 1768 fps | 95% |
| Rottweil R 902 | <<locked>> | 96% | 38,856 psi | 67% | 1929 fps | 95.3% |
| Shooters World AR Plus | <<locked>> | 80% | 36,535 psi | 63% | 1900 fps | 96.5% |
| Shooters World Match Rifle | <<locked>> | 90% | 31,821 psi | 55% | 1870 fps | 95.2% |
| Shooters World Precision | <<locked>> | 98% | 38,566 psi | 66% | 1946 fps | 95.3% |
| Shooters World Tactical Rifle | <<locked>> | 86% | 40,103 psi | 69% | 1916 fps | 95% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 42,047 psi | 72% | 1726 fps | 100% |
| SNPE Vectan SP 10 | 37 gr | 80% | 34,069 psi | 59% | 1867 fps | 96.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 33,040 psi | 57% | 1821 fps | 98.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 30,850 psi | 53% | 1745 fps | 95.4% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 28,239 psi | 49% | 1713 fps | 95.5% |
| Somchem S321 | <<locked>> | 88% | 37,072 psi | 64% | 1929 fps | 95.1% |
| Somchem S335 | <<locked>> | 82% | 28,297 psi | 49% | 1716 fps | 95.5% |
| Somchem S341 | <<locked>> | 98% | 45,281 psi | 78% | 2031 fps | 95% |
| Vihtavuori N120 | <<locked>> | 80% | 38,783 psi | 67% | 1847 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 31,241 psi | 54% | 1755 fps | 99% |
| Vihtavuori N133 | <<locked>> | 80% | 27,180 psi | 47% | 1690 fps | 96.9% |
| Vihtavuori N135 | <<locked>> | 80% | 22,539 psi | 39% | 1647 fps | 95.1% |
| Vihtavuori N140 | <<locked>> | 86% | 28,660 psi | 49% | 1759 fps | 95% |
| Vihtavuori N530 | <<locked>> | 92% | 39,813 psi | 69% | 1942 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 90% | 31,024 psi | 53% | 1821 fps | 95.3% |
| Winchester 748 | <<locked>> | 90% | 35,679 psi | 62% | 1926 fps | 95.2% |
| Winchester StaBALL Match | <<locked>> | 98% | 42,482 psi | 73% | 2021 fps | 95.2% |
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 89 powders for .375 Raptor loaded with the .375 | 305gr | Hammer Claw Hammer . Hodgdon CFE223 delivers the highest muzzle velocity at 2,172 fps; across all powders the maximum-charge window runs from 1,204 fps to 2,172 fps. Accurate 2015 gives the best case fill at 100 %, and 89 of the 89 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (400 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 305.0 gr projectile in 0.375" calls for a 1:6.0 twist; slower twists will usually not stabilise this weight. 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. Alliant Power Pro 1200-R, SNPE Vectan SP 10, ADI AR 2219 rank at the top here: for .375 Raptor with the .375 | 305gr | Hammer Claw Hammer they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2208, Alliant Power Pro 2000-MR, Alliant Reloder- TS 15.5 burn incompletely and react more sensitively to barrel length and temperature. Hodgdon TrailBoss, ReloadSwiss RS 14 stay subsonic at start load. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.