Load Specifications
Load data in caliber 7 x 50 R with .284 | 127gr | RWS Evolution Green bullet and 21 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 36, IMR 4227 and Lovex S053.
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>> | 96% | 47,253 psi | 89% | 2254 fps | 98.2% |
| Accurate No. 11 FS | <<locked>> | 84% | 46,891 psi | 89% | 2231 fps | 100% |
| ADI AR 2205 | <<locked>> | 86% | 45,556 psi | 86% | 2139 fps | 100% |
| ADI AR 2207ᴾ | <<locked>> | 100% | 43,163 psi | 82% | 2287 fps | 99.9% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 35,056 psi | 66% | 2175 fps | 96% |
| Alliant Reloder-7ᴾ | <<locked>> | 100% | 46,151 psi | 87% | 2283 fps | 98.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 28,268 psi | 53% | 1335 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 39,668 psi | 75% | 2185 fps | 97.8% |
| IMR 4227 | <<locked>> | 94% | 46,789 psi | 88% | 2238 fps | 99.7% |
| Lovex D060 | <<locked>> | 86% | 45,759 psi | 86% | 2238 fps | 98.8% |
| Lovex D063 | <<locked>> | 82% | 44,628 psi | 84% | 2215 fps | 98.7% |
| Lovex S053 | <<locked>> | 96% | 47,674 psi | 90% | 2247 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 39,885 psi | 75% | 2251 fps | 98% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 27,949 psi | 53% | 1375 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 94% | 45,310 psi | 86% | 2264 fps | 99.6% |
| Shooters World Blackout | <<locked>> | 82% | 44,628 psi | 84% | 2215 fps | 98.7% |
| Shooters World Buffalo Rifle | <<locked>> | 86% | 45,759 psi | 86% | 2238 fps | 98.8% |
| Shooters World SOCOM | <<locked>> | 86% | 45,571 psi | 86% | 2215 fps | 99.1% |
| SNPE Vectan BA6 1/2 | <<locked>> | 98% | 45,774 psi | 86% | 2100 fps | 100% |
| Vihtavuori N110 | <<locked>> | 90% | 47,224 psi | 89% | 2175 fps | 100% |
| Vihtavuori N120ᴾ | <<locked>> | 100% | 43,482 psi | 82% | 2254 fps | 100% |
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>> | 86% | 33,591 psi | 63% | 2037 fps | 95% |
| Accurate No. 11 FS | <<locked>> | 80% | 41,017 psi | 77% | 2149 fps | 99.8% |
| ADI AR 2205 | <<locked>> | 80% | 38,101 psi | 72% | 2034 fps | 100% |
| ADI AR 2207 | <<locked>> | 80% | 23,351 psi | 44% | 1896 fps | 95.5% |
| Alliant Reloder-10x | <<locked>> | 98% | 32,982 psi | 62% | 2136 fps | 95.3% |
| Alliant Reloder-7 | <<locked>> | 88% | 32,242 psi | 61% | 2054 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 20,711 psi | 39% | 1194 fps | 100% |
| IMR 4198 | <<locked>> | 92% | 31,908 psi | 60% | 2037 fps | 95.4% |
| IMR 4227 | 15.7 gr | 80% | 30,806 psi | 58% | 1975 fps | 97% |
| Lovex D060 | <<locked>> | 80% | 38,348 psi | 72% | 2116 fps | 97.4% |
| Lovex D063 | <<locked>> | 80% | 42,003 psi | 79% | 2175 fps | 98.3% |
| Lovex S053 | 15.4 gr | 80% | 29,849 psi | 56% | 1962 fps | 99.3% |
| Norma 200 | <<locked>> | 92% | 30,777 psi | 58% | 2087 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 20,146 psi | 38% | 1220 fps | 100% |
| ReloadSwiss RS 36 | 16.7 gr | 80% | 29,385 psi | 56% | 1988 fps | 96.4% |
| Shooters World Blackout | <<locked>> | 80% | 42,003 psi | 79% | 2175 fps | 98.3% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 38,348 psi | 72% | 2116 fps | 97.4% |
| Shooters World SOCOM | <<locked>> | 80% | 37,536 psi | 71% | 2093 fps | 97.9% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 28,500 psi | 54% | 1847 fps | 100% |
| Vihtavuori N110 | <<locked>> | 80% | 35,317 psi | 67% | 2014 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 23,786 psi | 45% | 1880 fps | 97% |
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 35 powders for 7 x 50 R loaded with the .284 | 127gr | RWS Evolution Green. ADI AR 2207 delivers the highest muzzle velocity at 2,287 fps; across all powders the maximum-charge window runs from 1,335 fps to 2,287 fps. Accurate 2015 gives the best case fill at 100 %, and 35 of the 35 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (365 MPa), the top charges use 53–90 %, leaving at least 10 % headroom. The 127.0 gr projectile in 0.284" calls for a 1:9.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate LT-30, Accurate LT-32 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. ReloadSwiss RS 36, IMR 4227, Lovex S053 rank at the top here: for 7 x 50 R with the .284 | 127gr | RWS Evolution Green they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2015, Accurate LT-30, Accurate LT-32 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.