Load Specifications
Load data in caliber 7 x 50 R with .284 | 150gr | Berger Classic Hybrid Hunter bullet and 38 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ADI AR 2219, SNPE Vectan SP 10 and Hodgdon H335.
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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 88% | 47,674 psi | 90% | 2142 fps | 99.9% |
| Accurate 2015ᴾ | <<locked>> | 100% | 42,511 psi | 80% | 2152 fps | 99.2% |
| Accurate 2460ᴾ | <<locked>> | 100% | 47,137 psi | 89% | 2234 fps | 97.5% |
| Accurate 2495ᴾ | <<locked>> | 100% | 30,980 psi | 59% | 2044 fps | 97.3% |
| Accurate LT-30 | <<locked>> | 92% | 45,368 psi | 86% | 2103 fps | 98.4% |
| Accurate LT-32 | <<locked>> | 92% | 45,919 psi | 87% | 2106 fps | 96.7% |
| ADI AR 2207 | <<locked>> | 92% | 46,905 psi | 89% | 2182 fps | 100% |
| ADI AR 2219 | <<locked>> | 94% | 45,092 psi | 85% | 2215 fps | 98.3% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 39,552 psi | 75% | 2175 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 98% | 46,804 psi | 88% | 2224 fps | 100% |
| Alliant Reloder-7 | <<locked>> | 90% | 46,383 psi | 88% | 2159 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 94% | 46,209 psi | 87% | 2142 fps | 98.7% |
| Hodgdon H322 | <<locked>> | 98% | 46,296 psi | 87% | 2234 fps | 98.5% |
| Hodgdon H335 | <<locked>> | 98% | 46,804 psi | 88% | 2244 fps | 97.7% |
| Hodgdon H4198 | <<locked>> | 90% | 47,718 psi | 90% | 2146 fps | 98.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,227 psi | 59% | 1299 fps | 100% |
| IMR 3031ᴾ | <<locked>> | 100% | 37,782 psi | 71% | 2156 fps | 97.6% |
| IMR 4198 | <<locked>> | 96% | 46,383 psi | 88% | 2165 fps | 100% |
| IMR 4227 | <<locked>> | 86% | 47,732 psi | 90% | 2119 fps | 100% |
| Lovex D073.4 | <<locked>> | 92% | 45,788 psi | 86% | 2215 fps | 96.6% |
| Lovex D073.5ᴾ | <<locked>> | 100% | 47,674 psi | 90% | 2238 fps | 96.3% |
| Lovex S053 | <<locked>> | 86% | 46,238 psi | 87% | 2080 fps | 100% |
| Norma 200 | <<locked>> | 94% | 46,644 psi | 88% | 2205 fps | 100% |
| Norma 202ᴾ | <<locked>> | 100% | 38,130 psi | 72% | 2119 fps | 95.8% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 30,647 psi | 58% | 1325 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 86% | 46,905 psi | 89% | 2149 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 98% | 45,934 psi | 87% | 2208 fps | 96.4% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 42,322 psi | 80% | 2152 fps | 96.6% |
| Shooters World AR Plus | <<locked>> | 92% | 45,788 psi | 86% | 2215 fps | 96.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 90% | 47,500 psi | 90% | 1969 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 94% | 45,049 psi | 85% | 2218 fps | 97.3% |
| SNPE Vectan SP 3 | <<locked>> | 98% | 47,834 psi | 90% | 2221 fps | 99.3% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 42,496 psi | 80% | 2096 fps | 96.6% |
| Somchem S335ᴾ | <<locked>> | 100% | 40,567 psi | 77% | 2100 fps | 97.2% |
| Vihtavuori N120 | <<locked>> | 92% | 47,065 psi | 89% | 2146 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 47,906 psi | 90% | 2182 fps | 99.9% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 41,510 psi | 78% | 2106 fps | 98.8% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 33,881 psi | 64% | 2060 fps | 97.7% |
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% | 36,883 psi | 70% | 1988 fps | 98.9% |
| Accurate 2015 | <<locked>> | 86% | 27,775 psi | 52% | 1893 fps | 95.5% |
| Accurate 2460 | <<locked>> | 94% | 38,638 psi | 73% | 2110 fps | 95.6% |
| Accurate 2495 | <<locked>> | 94% | 25,135 psi | 47% | 1919 fps | 95% |
| Accurate LT-30 | <<locked>> | 80% | 31,734 psi | 60% | 1877 fps | 95% |
| Accurate LT-32 | <<locked>> | 88% | 40,973 psi | 77% | 2034 fps | 95.5% |
| ADI AR 2207 | <<locked>> | 80% | 32,605 psi | 62% | 1972 fps | 100% |
| ADI AR 2219 | 21.1 gr | 84% | 32,721 psi | 62% | 2005 fps | 95% |
| Alliant AR-Comp | <<locked>> | 82% | 23,177 psi | 44% | 1821 fps | 95.5% |
| Alliant Reloder-10x | <<locked>> | 80% | 26,818 psi | 51% | 1877 fps | 96.4% |
| Alliant Reloder-7 | <<locked>> | 80% | 34,069 psi | 64% | 1965 fps | 98.9% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 31,430 psi | 59% | 1903 fps | 95.2% |
| Hodgdon H322 | <<locked>> | 88% | 34,040 psi | 64% | 2031 fps | 95.5% |
| Hodgdon H335 | 23.4 gr | 90% | 36,434 psi | 69% | 2083 fps | 95% |
| Hodgdon H4198 | <<locked>> | 80% | 35,070 psi | 66% | 1949 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,669 psi | 43% | 1152 fps | 100% |
| IMR 3031 | <<locked>> | 94% | 31,560 psi | 60% | 2034 fps | 95.5% |
| IMR 4198 | <<locked>> | 80% | 29,486 psi | 56% | 1880 fps | 98% |
| IMR 4227 | <<locked>> | 80% | 40,074 psi | 76% | 2014 fps | 100% |
| Lovex D073.4 | <<locked>> | 88% | 39,479 psi | 75% | 2119 fps | 95.1% |
| Lovex D073.5 | <<locked>> | 98% | 43,932 psi | 83% | 2188 fps | 95.4% |
| Lovex S053 | <<locked>> | 80% | 39,015 psi | 74% | 1985 fps | 100% |
| Norma 200 | <<locked>> | 80% | 30,385 psi | 57% | 1942 fps | 98.3% |
| Norma 202 | <<locked>> | 98% | 35,752 psi | 68% | 2077 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,800 psi | 43% | 1188 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 39,175 psi | 74% | 2041 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 94% | 40,393 psi | 76% | 2126 fps | 95.1% |
| Rottweil R 901 | <<locked>> | 96% | 37,811 psi | 71% | 2080 fps | 95.4% |
| Shooters World AR Plus | <<locked>> | 88% | 39,479 psi | 75% | 2119 fps | 95.1% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 36,506 psi | 69% | 1834 fps | 100% |
| SNPE Vectan SP 10 | 22.8 gr | 88% | 36,883 psi | 70% | 2087 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 31,502 psi | 60% | 1955 fps | 95.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 96% | 37,681 psi | 71% | 2024 fps | 95.3% |
| Somchem S335 | <<locked>> | 94% | 33,620 psi | 64% | 1982 fps | 95.3% |
| Vihtavuori N120 | <<locked>> | 80% | 32,851 psi | 62% | 1946 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 26,397 psi | 50% | 1821 fps | 95.8% |
| Vihtavuori N133 | <<locked>> | 88% | 29,109 psi | 55% | 1883 fps | 95.5% |
| Vihtavuori N135 | <<locked>> | 94% | 28,297 psi | 53% | 1942 fps | 95.6% |
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 64 powders for 7 x 50 R loaded with the .284 | 150gr | Berger Classic Hybrid Hunter. Alliant Power Pro 1200-R delivers the highest muzzle velocity at 2,267 fps; across all powders the maximum-charge window runs from 1,299 fps to 2,267 fps. Accurate 2015 gives the best case fill at 100 %, and 64 of the 64 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (365 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.284" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2460, 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. ADI AR 2219, SNPE Vectan SP 10, Hodgdon H335 rank at the top here: for 7 x 50 R with the .284 | 150gr | Berger Classic Hybrid Hunter they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2200, Accurate 2230, Accurate 4064 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.