Load Specifications
Load data in caliber 7 x 50 R with .284 | 150gr | Norma FMJ SemiP bullet and 42 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are SNPE Vectan SP 10, ADI AR 2219 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>> | 86% | 46,064 psi | 87% | 2136 fps | 99.9% |
| Accurate 2015ᴾ | <<locked>> | 100% | 44,396 psi | 84% | 2192 fps | 99.5% |
| Accurate 2460 | <<locked>> | 98% | 45,905 psi | 87% | 2234 fps | 97.6% |
| Accurate 2495ᴾ | <<locked>> | 100% | 32,256 psi | 61% | 2080 fps | 97.9% |
| Accurate 2520ᴾ | <<locked>> | 100% | 42,090 psi | 80% | 2218 fps | 96.4% |
| Accurate LT-30 | <<locked>> | 92% | 46,804 psi | 88% | 2139 fps | 98.8% |
| Accurate LT-32 | <<locked>> | 92% | 47,355 psi | 89% | 2142 fps | 97.3% |
| ADI AR 2207 | <<locked>> | 90% | 45,658 psi | 86% | 2178 fps | 100% |
| ADI AR 2219 | <<locked>> | 94% | 46,354 psi | 88% | 2251 fps | 98.7% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 40,756 psi | 77% | 2211 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 96% | 45,397 psi | 86% | 2218 fps | 99.9% |
| Alliant Reloder-7 | <<locked>> | 90% | 47,413 psi | 90% | 2185 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 94% | 47,195 psi | 89% | 2169 fps | 99% |
| Hodgdon H322 | <<locked>> | 98% | 47,543 psi | 90% | 2267 fps | 98.9% |
| Hodgdon H335 | <<locked>> | 96% | 45,498 psi | 86% | 2244 fps | 97.7% |
| Hodgdon H4198 | <<locked>> | 88% | 45,745 psi | 86% | 2133 fps | 98.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,198 psi | 59% | 1309 fps | 100% |
| IMR 3031ᴾ | <<locked>> | 100% | 38,870 psi | 73% | 2192 fps | 98.1% |
| IMR 4198 | <<locked>> | 94% | 45,107 psi | 85% | 2165 fps | 100% |
| IMR 4227 | <<locked>> | 84% | 46,514 psi | 88% | 2119 fps | 100% |
| Lovex D073.4 | <<locked>> | 92% | 47,181 psi | 89% | 2247 fps | 97.2% |
| Lovex D073.5 | <<locked>> | 98% | 45,658 psi | 86% | 2228 fps | 96.1% |
| Lovex S053 | <<locked>> | 86% | 47,572 psi | 90% | 2110 fps | 100% |
| Norma 200 | <<locked>> | 92% | 45,324 psi | 86% | 2201 fps | 100% |
| Norma 202ᴾ | <<locked>> | 100% | 39,262 psi | 74% | 2156 fps | 96.4% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 31,125 psi | 59% | 1342 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 84% | 45,730 psi | 86% | 2146 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 98% | 47,152 psi | 89% | 2244 fps | 97% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 43,671 psi | 82% | 2188 fps | 97.2% |
| Shooters World AR Plus | <<locked>> | 92% | 47,181 psi | 89% | 2247 fps | 97.2% |
| SNPE Vectan BA6 1/2 | <<locked>> | 88% | 46,528 psi | 88% | 1972 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 94% | 46,862 psi | 89% | 2257 fps | 97.9% |
| SNPE Vectan SP 3 | <<locked>> | 96% | 46,296 psi | 87% | 2218 fps | 99.3% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 43,729 psi | 83% | 2129 fps | 97.1% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 35,085 psi | 66% | 2008 fps | 96% |
| Somchem S321ᴾ | <<locked>> | 100% | 47,181 psi | 89% | 2267 fps | 95.7% |
| Somchem S335ᴾ | <<locked>> | 100% | 41,742 psi | 79% | 2129 fps | 97.7% |
| Vihtavuori N120 | <<locked>> | 90% | 45,876 psi | 87% | 2142 fps | 100% |
| Vihtavuori N130 | <<locked>> | 98% | 46,354 psi | 88% | 2175 fps | 99.9% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 42,757 psi | 81% | 2139 fps | 99.2% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 35,012 psi | 66% | 2096 fps | 98.2% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 37,826 psi | 71% | 2103 fps | 96.2% |
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% | 37,768 psi | 71% | 2014 fps | 99.2% |
| Accurate 2015 | <<locked>> | 84% | 26,934 psi | 51% | 1886 fps | 95.4% |
| Accurate 2460 | <<locked>> | 92% | 37,391 psi | 71% | 2106 fps | 95.6% |
| Accurate 2495 | <<locked>> | 92% | 24,627 psi | 47% | 1916 fps | 95% |
| Accurate 2520 | <<locked>> | 98% | 39,421 psi | 74% | 2175 fps | 95.7% |
| Accurate LT-30 | <<locked>> | 80% | 32,677 psi | 62% | 1909 fps | 95.6% |
| Accurate LT-32 | <<locked>> | 86% | 39,320 psi | 74% | 2024 fps | 95.4% |
| ADI AR 2207 | <<locked>> | 80% | 33,388 psi | 63% | 1998 fps | 100% |
| ADI AR 2219 | 21.7 gr | 84% | 33,518 psi | 63% | 2034 fps | 95.6% |
| Alliant AR-Comp | <<locked>> | 80% | 22,452 psi | 42% | 1814 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 27,833 psi | 53% | 1913 fps | 97.1% |
| Alliant Reloder-7 | <<locked>> | 80% | 35,172 psi | 66% | 1998 fps | 99.2% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 30,632 psi | 58% | 1900 fps | 95.2% |
| Hodgdon H322 | <<locked>> | 86% | 32,692 psi | 62% | 2018 fps | 95.3% |
| Hodgdon H335 | 24.1 gr | 90% | 37,492 psi | 71% | 2116 fps | 95.7% |
| Hodgdon H4198 | <<locked>> | 80% | 36,056 psi | 68% | 1982 fps | 96% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,308 psi | 44% | 1175 fps | 100% |
| IMR 3031 | <<locked>> | 92% | 30,705 psi | 58% | 2028 fps | 95.5% |
| IMR 4198 | <<locked>> | 80% | 30,472 psi | 58% | 1916 fps | 98.5% |
| IMR 4227 | <<locked>> | 80% | 40,799 psi | 77% | 2041 fps | 100% |
| Lovex D073.4 | <<locked>> | 86% | 38,247 psi | 72% | 2116 fps | 95% |
| Lovex D073.5 | <<locked>> | 96% | 42,801 psi | 81% | 2185 fps | 95.5% |
| Lovex S053 | <<locked>> | 80% | 40,379 psi | 76% | 2014 fps | 100% |
| Norma 200 | <<locked>> | 80% | 31,473 psi | 59% | 1975 fps | 98.8% |
| Norma 202 | <<locked>> | 96% | 34,650 psi | 65% | 2073 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,974 psi | 43% | 1201 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 40,321 psi | 76% | 2070 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 92% | 39,117 psi | 74% | 2123 fps | 95% |
| Rottweil R 901 | <<locked>> | 94% | 36,840 psi | 70% | 2077 fps | 95.4% |
| Shooters World AR Plus | <<locked>> | 86% | 38,247 psi | 72% | 2116 fps | 95% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 37,405 psi | 71% | 1857 fps | 100% |
| SNPE Vectan SP 10 | 23 gr | 86% | 35,795 psi | 68% | 2083 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 30,458 psi | 58% | 1946 fps | 95.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 94% | 36,579 psi | 69% | 2021 fps | 95.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 32,967 psi | 62% | 1969 fps | 95.2% |
| Somchem S321 | <<locked>> | 98% | 44,295 psi | 84% | 2228 fps | 95.1% |
| Somchem S335 | <<locked>> | 92% | 32,677 psi | 62% | 1978 fps | 95.3% |
| Vihtavuori N120 | <<locked>> | 80% | 33,591 psi | 63% | 1969 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 26,948 psi | 51% | 1844 fps | 96.3% |
| Vihtavuori N133 | <<locked>> | 86% | 28,398 psi | 54% | 1880 fps | 95.5% |
| Vihtavuori N135 | <<locked>> | 92% | 27,601 psi | 52% | 1942 fps | 95.6% |
| Vihtavuori N140 | <<locked>> | 98% | 35,636 psi | 67% | 2064 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 70 powders for 7 x 50 R loaded with the .284 | 150gr | Norma FMJ SemiP. Alliant Power Pro 1200-R delivers the highest muzzle velocity at 2,303 fps; across all powders the maximum-charge window runs from 1,309 fps to 2,303 fps. Accurate 2015 gives the best case fill at 100 %, and 70 of the 70 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (365 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 150.0 gr projectile in 0.284" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 2015, Accurate 2495, Accurate 2520 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. SNPE Vectan SP 10, ADI AR 2219, Hodgdon H335 rank at the top here: for 7 x 50 R with the .284 | 150gr | Norma FMJ SemiP 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.