Load Specifications
Load data in caliber .458 Win.Mag. with .458 | 500gr | Hornady Interlock RN bullet and 91 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon CFE223, Alliant Power Pro 1200-R and Accurate 2200.
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 1680 | <<locked>> | 84% | 54,679 psi | 88% | 1982 fps | 100% |
| Accurate 2015 | <<locked>> | 98% | 56,028 psi | 90% | 2060 fps | 100% |
| Accurate 2200 | <<locked>> | 88% | 54,708 psi | 88% | 2096 fps | 98.3% |
| Accurate 2230 | <<locked>> | 88% | 55,187 psi | 88% | 2110 fps | 98.6% |
| Accurate 2460 | <<locked>> | 94% | 54,781 psi | 88% | 2083 fps | 100% |
| Accurate 2495ᴾ | <<locked>> | 100% | 47,558 psi | 76% | 2031 fps | 100% |
| Accurate 2520 | <<locked>> | 98% | 55,448 psi | 89% | 2126 fps | 100% |
| Accurate 4064ᴾ | <<locked>> | 100% | 44,164 psi | 71% | 2021 fps | 100% |
| Accurate LT-30 | <<locked>> | 90% | 55,390 psi | 89% | 1998 fps | 100% |
| Accurate LT-32 | <<locked>> | 90% | 55,912 psi | 90% | 2011 fps | 100% |
| ADI AR 2206Hᴾ | <<locked>> | 100% | 54,926 psi | 88% | 2123 fps | 99% |
| ADI AR 2207 | <<locked>> | 88% | 56,072 psi | 90% | 2011 fps | 100% |
| ADI AR 2208ᴾ | <<locked>> | 100% | 46,572 psi | 75% | 2005 fps | 97% |
| ADI AR 2219 | <<locked>> | 90% | 54,186 psi | 87% | 2087 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 98% | 54,969 psi | 88% | 2096 fps | 99.6% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 56,043 psi | 90% | 2116 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 94% | 55,854 psi | 90% | 2172 fps | 99.5% |
| Alliant Power Pro 2000-MRᴾ | <<locked>> | 100% | 51,314 psi | 82% | 2156 fps | 97.5% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 44,309 psi | 71% | 2018 fps | 98.3% |
| Alliant Reloder-10x | <<locked>> | 92% | 53,476 psi | 86% | 2041 fps | 100% |
| Alliant Reloder-15ᴾ | <<locked>> | 100% | 48,515 psi | 78% | 2067 fps | 97.7% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 39,740 psi | 64% | 1998 fps | 96.2% |
| Alliant Reloder-7 | <<locked>> | 86% | 54,099 psi | 87% | 1995 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 90% | 53,824 psi | 86% | 2001 fps | 100% |
| Baschieri & Pellagri 107ᴾ | <<locked>> | 100% | 54,752 psi | 88% | 2136 fps | 98% |
| Bofors RP3ᴾ | <<locked>> | 100% | 43,787 psi | 70% | 2024 fps | 98.3% |
| Hodgdon Benchmark | <<locked>> | 96% | 54,679 psi | 88% | 2054 fps | 99.8% |
| Hodgdon BL-C2ᴾ | <<locked>> | 100% | 56,057 psi | 90% | 2159 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 96% | 54,723 psi | 88% | 2185 fps | 98.6% |
| Hodgdon H322 | <<locked>> | 94% | 56,028 psi | 90% | 2106 fps | 100% |
| Hodgdon H335 | <<locked>> | 92% | 53,519 psi | 86% | 2093 fps | 100% |
| Hodgdon H380ᴾ | <<locked>> | 100% | 46,137 psi | 74% | 2028 fps | 95.7% |
| Hodgdon H4198 | <<locked>> | 86% | 54,128 psi | 87% | 1995 fps | 100% |
| Hodgdon H4895ᴾ | <<locked>> | 100% | 55,230 psi | 89% | 2133 fps | 99.3% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 49,864 psi | 80% | 2113 fps | 99.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,286 psi | 53% | 1184 fps | 100% |
| Hodgdon VARGETᴾ | <<locked>> | 100% | 53,780 psi | 86% | 2096 fps | 99.1% |
| IMR 3031ᴾ | <<locked>> | 100% | 53,040 psi | 85% | 2123 fps | 100% |
| IMR 4064ᴾ | <<locked>> | 100% | 48,921 psi | 78% | 2028 fps | 97.7% |
| IMR 4198 | <<locked>> | 92% | 54,592 psi | 88% | 2008 fps | 100% |
| IMR 4227 | <<locked>> | 82% | 54,302 psi | 87% | 1942 fps | 100% |
| IMR 4895ᴾ | <<locked>> | 100% | 49,632 psi | 80% | 2093 fps | 98.4% |
| IMR 8208 XBR | <<locked>> | 98% | 54,969 psi | 88% | 2096 fps | 99.6% |
| Lovex D073.4 | <<locked>> | 88% | 55,651 psi | 89% | 2096 fps | 100% |
| Lovex D073.5 | <<locked>> | 94% | 54,969 psi | 88% | 2093 fps | 99.9% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 52,605 psi | 84% | 2106 fps | 100% |
| Lovex S053 | <<locked>> | 84% | 56,202 psi | 90% | 1932 fps | 100% |
| Lovex S060 | <<locked>> | 98% | 53,258 psi | 85% | 2037 fps | 98.7% |
| Lovex S062ᴾ | <<locked>> | 100% | 47,776 psi | 77% | 2031 fps | 99% |
| Norma 200 | <<locked>> | 88% | 53,693 psi | 86% | 2021 fps | 100% |
| Norma 201ᴾ | <<locked>> | 100% | 53,548 psi | 86% | 2083 fps | 99.5% |
| Norma 202ᴾ | <<locked>> | 100% | 53,577 psi | 86% | 2093 fps | 100% |
| Norma 203Bᴾ | <<locked>> | 100% | 47,500 psi | 76% | 2060 fps | 98% |
| Ramshot Big Gameᴾ | <<locked>> | 100% | 48,153 psi | 77% | 2077 fps | 97.8% |
| Ramshot TAC | <<locked>> | 98% | 56,014 psi | 90% | 2106 fps | 96.8% |
| Ramshot Wild Boar | <<locked>> | 98% | 54,128 psi | 87% | 2123 fps | 98.8% |
| Ramshot X-Terminator | <<locked>> | 94% | 53,751 psi | 86% | 2067 fps | 98.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 33,460 psi | 54% | 1217 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 82% | 54,607 psi | 88% | 1978 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 94% | 55,259 psi | 89% | 2093 fps | 100% |
| ReloadSwiss RS 52ᴾ | <<locked>> | 100% | 51,097 psi | 82% | 2152 fps | 98.1% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 42,540 psi | 68% | 2054 fps | 99.2% |
| Rottweil R 901 | <<locked>> | 98% | 54,853 psi | 88% | 2077 fps | 100% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 50,647 psi | 81% | 2044 fps | 99.3% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 40,654 psi | 65% | 1975 fps | 97.4% |
| Shooters World AR Plus | <<locked>> | 88% | 55,651 psi | 89% | 2096 fps | 100% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 52,605 psi | 84% | 2106 fps | 100% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 47,776 psi | 77% | 2031 fps | 99% |
| Shooters World Tactical Rifle | <<locked>> | 92% | 56,217 psi | 90% | 2073 fps | 99.5% |
| SNPE Vectan BA6 1/2 | <<locked>> | 86% | 53,722 psi | 86% | 1788 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 90% | 54,578 psi | 88% | 2096 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 43,511 psi | 70% | 2021 fps | 96.9% |
| SNPE Vectan SP 3 | <<locked>> | 92% | 54,476 psi | 87% | 2051 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 98% | 53,345 psi | 86% | 2083 fps | 96.9% |
| SNPE Vectan SP 9ᴾ | <<locked>> | 100% | 53,345 psi | 86% | 2103 fps | 98.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 98% | 53,809 psi | 86% | 2014 fps | 100% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 46,122 psi | 74% | 1946 fps | 100% |
| Somchem S321 | <<locked>> | 96% | 56,217 psi | 90% | 2129 fps | 99.8% |
| Somchem S335ᴾ | <<locked>> | 100% | 55,100 psi | 88% | 2047 fps | 100% |
| Somchem S341ᴾ | <<locked>> | 100% | 56,173 psi | 90% | 2123 fps | 98.9% |
| Somchem S355ᴾ | <<locked>> | 100% | 42,119 psi | 68% | 1982 fps | 97.4% |
| Vihtavuori N120 | <<locked>> | 88% | 56,057 psi | 90% | 1972 fps | 100% |
| Vihtavuori N130 | <<locked>> | 94% | 53,751 psi | 86% | 2001 fps | 100% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 56,333 psi | 90% | 2037 fps | 100% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 48,486 psi | 78% | 2028 fps | 100% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 50,836 psi | 82% | 2041 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 40,683 psi | 65% | 1939 fps | 98.3% |
| Vihtavuori N530 | <<locked>> | 98% | 55,753 psi | 89% | 2096 fps | 99.7% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 48,878 psi | 78% | 2041 fps | 100% |
| Winchester 748 | <<locked>> | 98% | 53,490 psi | 86% | 2129 fps | 99.9% |
| Winchester StaBALL Matchᴾ | <<locked>> | 100% | 52,518 psi | 84% | 2113 fps | 99.1% |
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 1680 | <<locked>> | 80% | 48,022 psi | 77% | 1913 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 32,372 psi | 52% | 1765 fps | 99.7% |
| Accurate 2200 | 55.7 gr | 80% | 42,206 psi | 68% | 1936 fps | 95.9% |
| Accurate 2230 | <<locked>> | 80% | 41,611 psi | 67% | 1939 fps | 96.2% |
| Accurate 2460 | <<locked>> | 80% | 34,635 psi | 56% | 1827 fps | 98.4% |
| Accurate 2495 | <<locked>> | 80% | 24,874 psi | 40% | 1690 fps | 98.6% |
| Accurate 2520 | <<locked>> | 80% | 30,139 psi | 48% | 1785 fps | 96.9% |
| Accurate 4064 | <<locked>> | 80% | 23,627 psi | 38% | 1667 fps | 95.6% |
| Accurate LT-30 | <<locked>> | 80% | 41,162 psi | 66% | 1834 fps | 99.9% |
| Accurate LT-32 | <<locked>> | 80% | 41,553 psi | 67% | 1841 fps | 99.2% |
| ADI AR 2206H | <<locked>> | 86% | 35,752 psi | 57% | 1864 fps | 95.1% |
| ADI AR 2207 | <<locked>> | 80% | 44,005 psi | 71% | 1886 fps | 100% |
| ADI AR 2208 | <<locked>> | 94% | 38,986 psi | 63% | 1896 fps | 95.1% |
| ADI AR 2219 | <<locked>> | 80% | 38,914 psi | 62% | 1903 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 80% | 31,575 psi | 51% | 1768 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 80% | 29,660 psi | 48% | 1781 fps | 100% |
| Alliant Power Pro 1200-R | 54.9 gr | 80% | 35,578 psi | 57% | 1896 fps | 96% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 42,105 psi | 68% | 2024 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 32,735 psi | 52% | 1837 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 37,202 psi | 60% | 1844 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 37,840 psi | 61% | 1919 fps | 95.2% |
| Alliant Reloder-17 | <<locked>> | 98% | 37,376 psi | 60% | 1959 fps | 95.3% |
| Alliant Reloder-7 | <<locked>> | 80% | 45,107 psi | 72% | 1896 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 39,349 psi | 63% | 1831 fps | 99.9% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 42,322 psi | 68% | 1978 fps | 95.5% |
| Bofors RP3 | <<locked>> | 90% | 31,415 psi | 50% | 1834 fps | 95% |
| Hodgdon Benchmark | <<locked>> | 80% | 34,069 psi | 55% | 1775 fps | 96.6% |
| Hodgdon BL-C2 | <<locked>> | 82% | 30,835 psi | 49% | 1811 fps | 95.8% |
| Hodgdon CFE223 | 64.4 gr | 86% | 39,363 psi | 63% | 1975 fps | 95.4% |
| Hodgdon H322 | <<locked>> | 80% | 35,766 psi | 57% | 1854 fps | 99.4% |
| Hodgdon H335 | <<locked>> | 80% | 35,955 psi | 58% | 1867 fps | 98.9% |
| Hodgdon H380 | <<locked>> | 98% | 43,250 psi | 69% | 1988 fps | 95% |
| Hodgdon H4198 | <<locked>> | 80% | 45,353 psi | 73% | 1896 fps | 100% |
| Hodgdon H4895 | <<locked>> | 84% | 33,852 psi | 54% | 1837 fps | 95.2% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 34,214 psi | 55% | 1880 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,671 psi | 40% | 1056 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 35,027 psi | 56% | 1841 fps | 95.4% |
| IMR 3031 | <<locked>> | 80% | 28,471 psi | 46% | 1772 fps | 98.7% |
| IMR 4064 | <<locked>> | 92% | 38,406 psi | 62% | 1883 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 38,609 psi | 62% | 1824 fps | 100% |
| IMR 4227 | <<locked>> | 80% | 51,314 psi | 82% | 1913 fps | 100% |
| IMR 4895 | <<locked>> | 90% | 36,419 psi | 58% | 1909 fps | 95.6% |
| IMR 8208 XBR | <<locked>> | 80% | 31,575 psi | 51% | 1768 fps | 95.1% |
| Lovex D073.4 | <<locked>> | 80% | 42,409 psi | 68% | 1942 fps | 99.3% |
| Lovex D073.5 | <<locked>> | 80% | 34,287 psi | 55% | 1824 fps | 97.2% |
| Lovex D073.6 | <<locked>> | 80% | 27,050 psi | 43% | 1732 fps | 95.7% |
| Lovex S053 | <<locked>> | 80% | 50,140 psi | 80% | 1873 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 37,478 psi | 60% | 1827 fps | 95.5% |
| Lovex S062 | <<locked>> | 86% | 31,183 psi | 50% | 1781 fps | 95.2% |
| Norma 200 | <<locked>> | 80% | 41,974 psi | 67% | 1890 fps | 100% |
| Norma 201 | <<locked>> | 82% | 31,096 psi | 50% | 1762 fps | 95.1% |
| Norma 202 | <<locked>> | 80% | 28,819 psi | 46% | 1739 fps | 97.1% |
| Norma 203B | <<locked>> | 92% | 37,028 psi | 59% | 1913 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 92% | 37,362 psi | 60% | 1919 fps | 95% |
| Ramshot TAC | <<locked>> | 94% | 49,356 psi | 79% | 2028 fps | 95.5% |
| Ramshot Wild Boar | <<locked>> | 86% | 36,637 psi | 59% | 1886 fps | 95.3% |
| Ramshot X-Terminator | <<locked>> | 82% | 36,753 psi | 59% | 1837 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,772 psi | 40% | 1086 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 51,242 psi | 82% | 1946 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 35,476 psi | 57% | 1837 fps | 97.9% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 39,305 psi | 63% | 1988 fps | 95.5% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 31,067 psi | 50% | 1844 fps | 95.6% |
| Rottweil R 901 | <<locked>> | 80% | 32,590 psi | 52% | 1772 fps | 97.9% |
| Rottweil R 902 | <<locked>> | 84% | 31,372 psi | 50% | 1762 fps | 95.2% |
| Rottweil R 903 | <<locked>> | 94% | 33,460 psi | 54% | 1864 fps | 95.4% |
| Shooters World AR Plus | <<locked>> | 80% | 42,409 psi | 68% | 1942 fps | 99.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 27,050 psi | 43% | 1732 fps | 95.7% |
| Shooters World Precision | <<locked>> | 86% | 31,183 psi | 50% | 1781 fps | 95.2% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 37,550 psi | 60% | 1841 fps | 96.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 46,180 psi | 74% | 1716 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 39,407 psi | 63% | 1909 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 38,363 psi | 62% | 1942 fps | 95.5% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 37,753 psi | 61% | 1847 fps | 99.9% |
| SNPE Vectan SP 7 | <<locked>> | 94% | 46,383 psi | 74% | 2001 fps | 95.5% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 36,593 psi | 59% | 1880 fps | 95.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 31,169 psi | 50% | 1713 fps | 97.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 25,237 psi | 40% | 1617 fps | 96.6% |
| Somchem S321 | <<locked>> | 80% | 33,127 psi | 53% | 1821 fps | 96.2% |
| Somchem S335 | <<locked>> | 80% | 30,443 psi | 49% | 1719 fps | 98.2% |
| Somchem S341 | <<locked>> | 88% | 37,652 psi | 60% | 1886 fps | 95.4% |
| Somchem S355 | <<locked>> | 94% | 35,114 psi | 56% | 1873 fps | 95.6% |
| Vihtavuori N120 | <<locked>> | 80% | 44,106 psi | 71% | 1850 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 35,491 psi | 57% | 1781 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 30,951 psi | 50% | 1722 fps | 99.5% |
| Vihtavuori N135 | <<locked>> | 80% | 26,005 psi | 42% | 1693 fps | 98.7% |
| Vihtavuori N140 | <<locked>> | 80% | 27,311 psi | 44% | 1693 fps | 96.8% |
| Vihtavuori N150 | <<locked>> | 90% | 29,776 psi | 48% | 1759 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 31,183 psi | 50% | 1762 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 26,165 psi | 42% | 1686 fps | 95.7% |
| Winchester 748 | <<locked>> | 80% | 29,979 psi | 48% | 1785 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 88% | 35,563 psi | 57% | 1880 fps | 95.7% |
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 91 powders for .458 Win.Mag. loaded with the .458 | 500gr | Hornady Interlock RN. Hodgdon CFE223 delivers the highest muzzle velocity at 2,185 fps; across all powders the maximum-charge window runs from 1,184 fps to 2,185 fps. Accurate 2495 gives the best case fill at 100 %, and 91 of the 91 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. Accurate 2495, Accurate 4064, ADI AR 2206H 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. Hodgdon CFE223, Alliant Power Pro 1200-R, Accurate 2200 rank at the top here: for .458 Win.Mag. with the .458 | 500gr | Hornady Interlock RN they combine a high case fill with complete burn and sit in the upper velocity band. 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.