Load Specifications
Bullet:.284 | 173gr | RWS H-Mantel
Bullet Manufacturer:RWS
Bullet Weight:173 gr
Bullet Diameter:0.284"
Bullet Length:<<locked>>
Caliber:7 x 50 R load data
Case Length (l3):1.94"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:34.5 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:23.62"
Max. allowed Pressure:52,939 psi
Recommended Twist Rate:1:11.0
Load data in caliber 7 x 50 R with .284 | 173gr | RWS H-Mantel bullet and 103 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Hodgdon H335, Hodgdon H322 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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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 86% | 46,760 psi | 88% | 1939 fps | 100% |
| Accurate 1680 | <<locked>> | 86% | 46,543 psi | 88% | 1936 fps | 100% |
| Accurate 2015ᴾ | <<locked>> | 100% | 44,991 psi | 85% | 1991 fps | 99.8% |
| Accurate 2015ᴾ | <<locked>> | 100% | 44,744 psi | 85% | 1988 fps | 99.8% |
| Accurate 2460 | <<locked>> | 98% | 46,427 psi | 88% | 2031 fps | 98.3% |
| Accurate 2460 | <<locked>> | 98% | 46,862 psi | 89% | 2037 fps | 98.4% |
| Accurate 2495ᴾ | <<locked>> | 100% | 33,069 psi | 62% | 1900 fps | 98.8% |
| Accurate 2495ᴾ | <<locked>> | 100% | 32,938 psi | 62% | 1900 fps | 98.8% |
| Accurate 2520ᴾ | <<locked>> | 100% | 42,960 psi | 81% | 2024 fps | 97.4% |
| Accurate 2520ᴾ | <<locked>> | 100% | 42,786 psi | 81% | 2021 fps | 97.4% |
| Accurate 4064ᴾ | <<locked>> | 100% | 30,850 psi | 58% | 1870 fps | 95.7% |
| Accurate LT-30 | <<locked>> | 92% | 47,268 psi | 89% | 1939 fps | 99.3% |
| Accurate LT-30 | <<locked>> | 92% | 47,718 psi | 90% | 1946 fps | 99.4% |
| Accurate LT-32 | <<locked>> | 92% | 47,776 psi | 90% | 1942 fps | 98% |
| Accurate LT-32 | <<locked>> | 90% | 45,063 psi | 85% | 1909 fps | 97.6% |
| ADI AR 2207 | <<locked>> | 90% | 46,137 psi | 87% | 1972 fps | 100% |
| ADI AR 2207 | <<locked>> | 90% | 45,948 psi | 87% | 1969 fps | 100% |
| ADI AR 2219 | <<locked>> | 94% | 47,079 psi | 89% | 2047 fps | 99.3% |
| ADI AR 2219 | <<locked>> | 94% | 46,847 psi | 88% | 2044 fps | 99.3% |
| ADI Benchmark 8208ᴾ | <<locked>> | 100% | 44,889 psi | 85% | 2001 fps | 95.7% |
| ADI Benchmark 8208ᴾ | <<locked>> | 100% | 44,715 psi | 84% | 2001 fps | 95.7% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 41,336 psi | 78% | 2008 fps | 100% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 41,785 psi | 79% | 2014 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 98% | 47,137 psi | 89% | 2103 fps | 95.9% |
| Alliant Power Pro 1200-R | <<locked>> | 98% | 47,587 psi | 90% | 2110 fps | 96% |
| Alliant Reloder-10x | <<locked>> | 96% | 45,716 psi | 86% | 2008 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 96% | 46,195 psi | 87% | 2014 fps | 100% |
| Alliant Reloder-7 | <<locked>> | 88% | 45,150 psi | 85% | 1946 fps | 100% |
| Alliant Reloder-7 | <<locked>> | 88% | 45,585 psi | 86% | 1952 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 94% | 47,834 psi | 90% | 1972 fps | 99.5% |
| Baschieri & Pellagri 106 | <<locked>> | 92% | 45,281 psi | 86% | 1942 fps | 99.3% |
| Hodgdon Benchmark | <<locked>> | 98% | 45,672 psi | 86% | 1972 fps | 96.5% |
| Hodgdon Benchmark | <<locked>> | 98% | 45,469 psi | 86% | 1969 fps | 96.5% |
| Hodgdon H322 | <<locked>> | 96% | 45,150 psi | 85% | 2024 fps | 99.1% |
| Hodgdon H322 | <<locked>> | 96% | 45,513 psi | 86% | 2028 fps | 99.1% |
| Hodgdon H335 | <<locked>> | 96% | 45,861 psi | 87% | 2041 fps | 98.4% |
| Hodgdon H335 | <<locked>> | 96% | 46,282 psi | 87% | 2047 fps | 98.5% |
| Hodgdon H4198 | <<locked>> | 88% | 46,151 psi | 87% | 1932 fps | 98.9% |
| Hodgdon H4198 | <<locked>> | 88% | 46,601 psi | 88% | 1942 fps | 98.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,343 psi | 59% | 1171 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,270 psi | 59% | 1171 fps | 100% |
| IMR 3031ᴾ | <<locked>> | 100% | 39,421 psi | 74% | 1995 fps | 98.9% |
| IMR 3031ᴾ | <<locked>> | 100% | 39,218 psi | 74% | 1995 fps | 98.9% |
| IMR 4198 | <<locked>> | 94% | 45,440 psi | 86% | 1959 fps | 100% |
| IMR 4198 | <<locked>> | 94% | 45,934 psi | 87% | 1965 fps | 100% |
| IMR 4227 | <<locked>> | 84% | 46,934 psi | 89% | 1913 fps | 100% |
| IMR 4227 | <<locked>> | 84% | 46,775 psi | 88% | 1913 fps | 100% |
| IMR 8208 XBRᴾ | <<locked>> | 100% | 44,889 psi | 85% | 2001 fps | 95.7% |
| IMR 8208 XBRᴾ | <<locked>> | 100% | 44,715 psi | 84% | 2001 fps | 95.7% |
| Lovex D073.4 | <<locked>> | 92% | 47,529 psi | 90% | 2041 fps | 98% |
| Lovex D073.4 | <<locked>> | 90% | 44,715 psi | 84% | 2008 fps | 97.5% |
| Lovex D073.5 | <<locked>> | 98% | 46,499 psi | 88% | 2031 fps | 97.2% |
| Lovex D073.5 | <<locked>> | 98% | 46,992 psi | 89% | 2037 fps | 97.3% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 37,463 psi | 71% | 1955 fps | 96.1% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 37,884 psi | 72% | 1962 fps | 96.2% |
| Lovex S053 | <<locked>> | 84% | 45,411 psi | 86% | 1873 fps | 100% |
| Lovex S053 | <<locked>> | 84% | 45,861 psi | 87% | 1880 fps | 100% |
| Norma 200 | <<locked>> | 92% | 46,151 psi | 87% | 1998 fps | 100% |
| Norma 200 | <<locked>> | 92% | 46,572 psi | 88% | 2005 fps | 100% |
| Norma 202ᴾ | <<locked>> | 100% | 40,089 psi | 76% | 1965 fps | 97.5% |
| Norma 202ᴾ | <<locked>> | 100% | 39,871 psi | 75% | 1965 fps | 97.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 31,430 psi | 59% | 1204 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 31,357 psi | 59% | 1204 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 84% | 46,369 psi | 88% | 1942 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 84% | 46,195 psi | 87% | 1942 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 98% | 47,688 psi | 90% | 2037 fps | 97.8% |
| ReloadSwiss RS 40 | <<locked>> | 96% | 44,947 psi | 85% | 2005 fps | 97.4% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 44,063 psi | 83% | 1988 fps | 98% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 44,498 psi | 84% | 1995 fps | 98.1% |
| Shooters World AR Plus | <<locked>> | 92% | 47,529 psi | 90% | 2041 fps | 98% |
| Shooters World AR Plus | <<locked>> | 90% | 44,715 psi | 84% | 2008 fps | 97.5% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 37,463 psi | 71% | 1955 fps | 96.1% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 37,884 psi | 72% | 1962 fps | 96.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 88% | 46,731 psi | 88% | 1772 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 88% | 47,181 psi | 89% | 1778 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 94% | 47,529 psi | 90% | 2054 fps | 98.6% |
| SNPE Vectan SP 10 | <<locked>> | 94% | 47,340 psi | 89% | 2054 fps | 98.6% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 47,253 psi | 89% | 2014 fps | 99.7% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 47,050 psi | 89% | 2014 fps | 99.7% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 44,005 psi | 83% | 1932 fps | 97.9% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 44,483 psi | 84% | 1939 fps | 98% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 35,244 psi | 67% | 1824 fps | 96.9% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 35,592 psi | 67% | 1831 fps | 97.1% |
| Somchem S321 | <<locked>> | 98% | 45,092 psi | 85% | 2031 fps | 96.2% |
| Somchem S321 | <<locked>> | 98% | 44,947 psi | 85% | 2031 fps | 96.2% |
| Somchem S335ᴾ | <<locked>> | 100% | 42,467 psi | 80% | 1939 fps | 98.5% |
| Somchem S335ᴾ | <<locked>> | 100% | 42,337 psi | 80% | 1939 fps | 98.5% |
| Vihtavuori N120 | <<locked>> | 90% | 46,354 psi | 88% | 1936 fps | 100% |
| Vihtavuori N120 | <<locked>> | 90% | 46,166 psi | 87% | 1936 fps | 100% |
| Vihtavuori N130 | <<locked>> | 98% | 46,905 psi | 89% | 1972 fps | 100% |
| Vihtavuori N130 | <<locked>> | 98% | 47,355 psi | 89% | 1978 fps | 100% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 42,975 psi | 81% | 1936 fps | 99.6% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 43,424 psi | 82% | 1942 fps | 99.6% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 35,288 psi | 67% | 1903 fps | 98.9% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 35,621 psi | 67% | 1909 fps | 99% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 38,159 psi | 72% | 1913 fps | 97.2% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 38,551 psi | 73% | 1919 fps | 97.3% |
| Vihtavuori N530ᴾ | <<locked>> | 100% | 44,947 psi | 85% | 1998 fps | 95.8% |
| Vihtavuori N530ᴾ | <<locked>> | 100% | 44,802 psi | 85% | 1995 fps | 95.8% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 36,506 psi | 69% | 1906 fps | 96.2% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 36,869 psi | 70% | 1909 fps | 96.3% |
| Winchester 748ᴾ | <<locked>> | 100% | 43,004 psi | 81% | 2021 fps | 96.2% |
| Winchester 748ᴾ | <<locked>> | 100% | 43,395 psi | 82% | 2028 fps | 96.3% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 80% | 38,537 psi | 73% | 1834 fps | 99.7% |
| Accurate 1680 | <<locked>> | 80% | 38,363 psi | 72% | 1831 fps | 99.6% |
| Accurate 2015 | <<locked>> | 80% | 24,279 psi | 46% | 1650 fps | 95.2% |
| Accurate 2015 | <<locked>> | 80% | 24,178 psi | 46% | 1650 fps | 95.1% |
| Accurate 2460 | <<locked>> | 88% | 33,446 psi | 63% | 1844 fps | 95.3% |
| Accurate 2460 | <<locked>> | 88% | 33,359 psi | 63% | 1844 fps | 95.3% |
| Accurate 2495 | <<locked>> | 90% | 23,728 psi | 45% | 1719 fps | 95.8% |
| Accurate 2495 | <<locked>> | 88% | 22,336 psi | 42% | 1690 fps | 95% |
| Accurate 2520 | <<locked>> | 94% | 35,128 psi | 66% | 1909 fps | 95.4% |
| Accurate 2520 | <<locked>> | 94% | 34,954 psi | 66% | 1906 fps | 95.4% |
| Accurate 4064 | <<locked>> | 98% | 29,124 psi | 55% | 1837 fps | 95% |
| Accurate LT-30 | <<locked>> | 80% | 33,011 psi | 62% | 1732 fps | 96.6% |
| Accurate LT-30 | <<locked>> | 80% | 33,330 psi | 63% | 1742 fps | 96.8% |
| Accurate LT-32 | <<locked>> | 82% | 35,824 psi | 68% | 1775 fps | 95.3% |
| Accurate LT-32 | <<locked>> | 82% | 35,679 psi | 67% | 1775 fps | 95.2% |
| ADI AR 2207 | <<locked>> | 80% | 33,982 psi | 64% | 1811 fps | 100% |
| ADI AR 2207 | <<locked>> | 80% | 34,374 psi | 65% | 1818 fps | 100% |
| ADI AR 2219 | 18.5 gr | 80% | 30,168 psi | 57% | 1781 fps | 95.4% |
| ADI AR 2219 | 18.5 gr | 80% | 30,023 psi | 57% | 1781 fps | 95.3% |
| ADI Benchmark 8208 | <<locked>> | 98% | 41,974 psi | 79% | 1962 fps | 95% |
| ADI Benchmark 8208 | <<locked>> | 98% | 42,308 psi | 80% | 1969 fps | 95.1% |
| Alliant AR-Comp | <<locked>> | 80% | 22,713 psi | 43% | 1654 fps | 96.8% |
| Alliant AR-Comp | <<locked>> | 80% | 22,655 psi | 43% | 1654 fps | 96.8% |
| Alliant Power Pro 1200-R | <<locked>> | 96% | 44,541 psi | 84% | 2067 fps | 95.2% |
| Alliant Power Pro 1200-R | <<locked>> | 96% | 44,324 psi | 84% | 2064 fps | 95.2% |
| Alliant Reloder-10x | <<locked>> | 80% | 28,456 psi | 54% | 1742 fps | 98.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 28,355 psi | 54% | 1742 fps | 98.1% |
| Alliant Reloder-7 | <<locked>> | 80% | 35,592 psi | 67% | 1814 fps | 99.6% |
| Alliant Reloder-7 | <<locked>> | 80% | 35,433 psi | 67% | 1811 fps | 99.6% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 30,705 psi | 58% | 1726 fps | 96.2% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 30,995 psi | 59% | 1732 fps | 96.3% |
| Hodgdon Benchmark | <<locked>> | 94% | 40,480 psi | 76% | 1900 fps | 95.3% |
| Hodgdon Benchmark | <<locked>> | 94% | 40,379 psi | 76% | 1900 fps | 95.3% |
| Hodgdon H322 | 18.4 gr | 82% | 29,312 psi | 55% | 1765 fps | 95% |
| Hodgdon H322 | 18.4 gr | 82% | 29,631 psi | 56% | 1772 fps | 95.2% |
| Hodgdon H335 | 20.6 gr | 86% | 33,156 psi | 63% | 1847 fps | 95.3% |
| Hodgdon H335 | 20.6 gr | 86% | 33,460 psi | 63% | 1854 fps | 95.4% |
| Hodgdon H4198 | <<locked>> | 80% | 36,405 psi | 69% | 1795 fps | 97% |
| Hodgdon H4198 | <<locked>> | 80% | 36,811 psi | 70% | 1804 fps | 97.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,076 psi | 44% | 1047 fps | 100% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,018 psi | 43% | 1043 fps | 100% |
| IMR 3031 | <<locked>> | 88% | 27,543 psi | 52% | 1775 fps | 95.2% |
| IMR 3031 | <<locked>> | 88% | 27,804 psi | 53% | 1781 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 30,676 psi | 58% | 1736 fps | 99.1% |
| IMR 4198 | <<locked>> | 80% | 31,009 psi | 59% | 1742 fps | 99.2% |
| IMR 4227 | <<locked>> | 80% | 41,800 psi | 79% | 1850 fps | 100% |
| IMR 4227 | <<locked>> | 80% | 41,655 psi | 79% | 1850 fps | 100% |
| IMR 8208 XBR | <<locked>> | 98% | 41,974 psi | 79% | 1962 fps | 95% |
| IMR 8208 XBR | <<locked>> | 98% | 42,308 psi | 80% | 1969 fps | 95.1% |
| Lovex D073.4 | <<locked>> | 84% | 36,129 psi | 68% | 1883 fps | 95.4% |
| Lovex D073.4 | <<locked>> | 84% | 36,477 psi | 69% | 1890 fps | 95.5% |
| Lovex D073.5 | <<locked>> | 92% | 38,101 psi | 72% | 1916 fps | 95.2% |
| Lovex D073.5 | <<locked>> | 92% | 37,898 psi | 72% | 1916 fps | 95.2% |
| Lovex D073.6 | <<locked>> | 98% | 35,433 psi | 67% | 1923 fps | 95.4% |
| Lovex D073.6 | <<locked>> | 98% | 35,259 psi | 67% | 1923 fps | 95.4% |
| Lovex S053 | <<locked>> | 80% | 40,553 psi | 77% | 1814 fps | 100% |
| Lovex S053 | <<locked>> | 80% | 40,988 psi | 77% | 1821 fps | 100% |
| Norma 200 | <<locked>> | 80% | 31,981 psi | 60% | 1795 fps | 99.4% |
| Norma 200 | <<locked>> | 80% | 31,923 psi | 60% | 1795 fps | 99.4% |
| Norma 202 | <<locked>> | 94% | 33,417 psi | 63% | 1860 fps | 95.6% |
| Norma 202 | <<locked>> | 94% | 33,315 psi | 63% | 1860 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,829 psi | 43% | 1070 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 23,264 psi | 44% | 1079 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 40,843 psi | 77% | 1873 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 40,683 psi | 77% | 1873 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 90% | 37,144 psi | 70% | 1893 fps | 95.4% |
| ReloadSwiss RS 40 | <<locked>> | 90% | 37,550 psi | 71% | 1900 fps | 95.6% |
| Rottweil R 901 | <<locked>> | 90% | 33,112 psi | 63% | 1818 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 90% | 33,475 psi | 63% | 1824 fps | 95.4% |
| Shooters World AR Plus | <<locked>> | 84% | 36,129 psi | 68% | 1883 fps | 95.4% |
| Shooters World AR Plus | <<locked>> | 84% | 36,477 psi | 69% | 1890 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 98% | 35,433 psi | 67% | 1923 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 98% | 35,259 psi | 67% | 1923 fps | 95.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 38,232 psi | 72% | 1677 fps | 100% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 38,116 psi | 72% | 1677 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 34,272 psi | 65% | 1864 fps | 95.7% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 34,113 psi | 64% | 1860 fps | 95.7% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 29,153 psi | 55% | 1736 fps | 96.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 29,022 psi | 55% | 1736 fps | 96.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 32,590 psi | 62% | 1765 fps | 95% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 32,909 psi | 62% | 1772 fps | 95.2% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 29,878 psi | 56% | 1729 fps | 95.1% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 29,762 psi | 56% | 1729 fps | 95% |
| Somchem S321 | <<locked>> | 96% | 42,047 psi | 79% | 1991 fps | 95.5% |
| Somchem S321 | <<locked>> | 96% | 41,901 psi | 79% | 1988 fps | 95.5% |
| Somchem S335 | <<locked>> | 88% | 29,486 psi | 56% | 1732 fps | 95.1% |
| Somchem S335 | <<locked>> | 88% | 29,776 psi | 56% | 1739 fps | 95.2% |
| Vihtavuori N120 | <<locked>> | 80% | 34,214 psi | 65% | 1781 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 34,606 psi | 65% | 1791 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 27,514 psi | 52% | 1680 fps | 97.4% |
| Vihtavuori N130 | <<locked>> | 80% | 27,427 psi | 52% | 1680 fps | 97.4% |
| Vihtavuori N133 | <<locked>> | 82% | 25,440 psi | 48% | 1640 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 82% | 25,730 psi | 49% | 1650 fps | 95.4% |
| Vihtavuori N135 | <<locked>> | 88% | 24,932 psi | 47% | 1699 fps | 95.4% |
| Vihtavuori N135 | <<locked>> | 88% | 24,816 psi | 47% | 1699 fps | 95.4% |
| Vihtavuori N140 | <<locked>> | 94% | 31,995 psi | 60% | 1811 fps | 95.3% |
| Vihtavuori N140 | <<locked>> | 94% | 31,894 psi | 60% | 1811 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 98% | 41,901 psi | 79% | 1955 fps | 95% |
| Vihtavuori N530 | <<locked>> | 98% | 42,250 psi | 80% | 1962 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 98% | 34,635 psi | 65% | 1873 fps | 95.6% |
| Vihtavuori N540 | <<locked>> | 98% | 34,476 psi | 65% | 1870 fps | 95.5% |
| Winchester 748 | <<locked>> | 98% | 40,219 psi | 76% | 1978 fps | 95.4% |
| Winchester 748 | <<locked>> | 98% | 40,596 psi | 77% | 1988 fps | 95.5% |
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 7 x 50 R loaded with the .284 | 173gr | RWS H-Mantel. Alliant Power Pro 1200-R delivers the highest muzzle velocity at 2,110 fps; across all powders the maximum-charge window runs from 1,171 fps to 2,110 fps. Accurate 2015 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 (365 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 173.0 gr projectile in 0.284" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2015, Accurate 2495 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 H335, Hodgdon H322, ADI AR 2219 rank at the top here: for 7 x 50 R with the .284 | 173gr | RWS H-Mantel they combine a high case fill with complete burn and sit in the upper velocity band. Hodgdon TrailBoss, 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.