Load Specifications
Load data in caliber 7 x 50 R with .284 | 127gr | Hasler Hunting bullet and 25 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-7, ADI AR 2207 and Norma 200.
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>> | 92% | 46,412 psi | 88% | 2313 fps | 98.9% |
| Accurate LT-30 | <<locked>> | 98% | 46,818 psi | 88% | 2303 fps | 96.8% |
| ADI AR 2205 | <<locked>> | 84% | 47,413 psi | 90% | 2228 fps | 100% |
| ADI AR 2207 | <<locked>> | 98% | 46,615 psi | 88% | 2395 fps | 100% |
| ADI AR 2219ᴾ | <<locked>> | 100% | 46,267 psi | 87% | 2415 fps | 96.4% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 32,851 psi | 62% | 2224 fps | 97.3% |
| Alliant Reloder-10xᴾ | <<locked>> | 100% | 40,727 psi | 77% | 2336 fps | 98.4% |
| Alliant Reloder-7 | <<locked>> | 96% | 46,934 psi | 89% | 2365 fps | 99.4% |
| Baschieri & Pellagri 106ᴾ | <<locked>> | 100% | 47,239 psi | 89% | 2336 fps | 97.1% |
| Hodgdon H4198 | <<locked>> | 94% | 46,253 psi | 87% | 2306 fps | 96.1% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 29,573 psi | 56% | 1404 fps | 100% |
| IMR 4198ᴾ | <<locked>> | 100% | 44,715 psi | 84% | 2339 fps | 99.4% |
| IMR 4227 | <<locked>> | 90% | 46,586 psi | 88% | 2303 fps | 100% |
| Lovex D060 | <<locked>> | 84% | 47,819 psi | 90% | 2343 fps | 99.6% |
| Lovex S053 | <<locked>> | 92% | 47,152 psi | 89% | 2300 fps | 100% |
| Norma 200ᴾ | <<locked>> | 100% | 46,586 psi | 88% | 2415 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 28,718 psi | 54% | 1430 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 90% | 45,556 psi | 86% | 2333 fps | 99.9% |
| Shooters World Buffalo Rifle | <<locked>> | 84% | 47,819 psi | 90% | 2343 fps | 99.6% |
| Shooters World SOCOM | <<locked>> | 82% | 44,889 psi | 85% | 2277 fps | 99.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 94% | 45,890 psi | 87% | 2152 fps | 100% |
| SNPE Vectan SP 3ᴾ | <<locked>> | 100% | 42,975 psi | 81% | 2343 fps | 96.8% |
| Vihtavuori N110 | <<locked>> | 86% | 47,210 psi | 89% | 2231 fps | 100% |
| Vihtavuori N120 | <<locked>> | 98% | 46,949 psi | 89% | 2356 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 40,118 psi | 76% | 2264 fps | 97.9% |
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% | 31,328 psi | 59% | 2057 fps | 95.5% |
| Accurate LT-30 | <<locked>> | 94% | 41,655 psi | 79% | 2224 fps | 95.6% |
| ADI AR 2205 | <<locked>> | 80% | 42,090 psi | 80% | 2156 fps | 100% |
| ADI AR 2207 | 18.2 gr | 80% | 26,847 psi | 51% | 2041 fps | 98.1% |
| ADI AR 2219 | <<locked>> | 98% | 43,308 psi | 82% | 2369 fps | 95.6% |
| Alliant AR-Comp | <<locked>> | 96% | 29,225 psi | 55% | 2139 fps | 95.8% |
| Alliant Reloder-10x | <<locked>> | 90% | 29,733 psi | 56% | 2126 fps | 95.3% |
| Alliant Reloder-7 | 18.8 gr | 80% | 28,355 psi | 54% | 2028 fps | 95.2% |
| Baschieri & Pellagri 106 | <<locked>> | 94% | 39,189 psi | 74% | 2215 fps | 95.3% |
| Hodgdon H4198 | <<locked>> | 92% | 43,366 psi | 82% | 2260 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 21,219 psi | 40% | 1247 fps | 100% |
| IMR 4198 | <<locked>> | 84% | 28,355 psi | 54% | 2021 fps | 95.3% |
| IMR 4227 | <<locked>> | 80% | 34,447 psi | 65% | 2106 fps | 98.8% |
| Lovex D060 | <<locked>> | 80% | 42,540 psi | 80% | 2257 fps | 99% |
| Lovex S053 | <<locked>> | 80% | 33,272 psi | 63% | 2083 fps | 100% |
| Norma 200 | 20 gr | 84% | 27,905 psi | 53% | 2077 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 21,161 psi | 40% | 1283 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 33,098 psi | 63% | 2123 fps | 98.4% |
| Shooters World Buffalo Rifle | <<locked>> | 80% | 42,540 psi | 80% | 2257 fps | 99% |
| Shooters World SOCOM | <<locked>> | 80% | 42,003 psi | 79% | 2231 fps | 99.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 31,430 psi | 59% | 1946 fps | 100% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 37,666 psi | 71% | 2247 fps | 95.3% |
| Vihtavuori N110 | <<locked>> | 80% | 39,262 psi | 74% | 2123 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 27,209 psi | 51% | 2021 fps | 99% |
| Vihtavuori N130 | <<locked>> | 92% | 31,154 psi | 59% | 2096 fps | 95.3% |
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 25 powders for 7 x 50 R loaded with the .284 | 127gr | Hasler Hunting. ADI AR 2219 delivers the highest muzzle velocity at 2,415 fps; across all powders the maximum-charge window runs from 1,404 fps to 2,415 fps. ADI AR 2219 gives the best case fill at 100 %, and 25 of the 25 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (365 MPa), the top charges use 54–90 %, leaving at least 10 % headroom. The 127.0 gr projectile in 0.284" calls for a 1:10.5 twist; slower twists will usually not stabilise this weight. ADI AR 2219, Alliant AR-Comp, Alliant Reloder-10x 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 Reloder-7, ADI AR 2207, Norma 200 rank at the top here: for 7 x 50 R with the .284 | 127gr | Hasler Hunting they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.