Load Specifications
Load data in caliber 7 x 50 R with .284 | 140gr | Speer TBBC bullet and 37 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 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>> | 88% | 46,702 psi | 88% | 2221 fps | 99.7% |
| Accurate 2015ᴾ | <<locked>> | 100% | 41,162 psi | 78% | 2224 fps | 98.6% |
| Accurate 2460ᴾ | <<locked>> | 100% | 45,861 psi | 87% | 2310 fps | 96.7% |
| Accurate 2495ᴾ | <<locked>> | 100% | 29,646 psi | 56% | 2103 fps | 96.2% |
| Accurate LT-30 | <<locked>> | 94% | 46,949 psi | 89% | 2215 fps | 98.2% |
| Accurate LT-32 | <<locked>> | 94% | 47,543 psi | 90% | 2218 fps | 96.4% |
| ADI AR 2207 | <<locked>> | 92% | 45,469 psi | 86% | 2264 fps | 100% |
| ADI AR 2219 | <<locked>> | 96% | 46,746 psi | 88% | 2333 fps | 98.1% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 38,406 psi | 73% | 2247 fps | 99.7% |
| Alliant Reloder-10x | <<locked>> | 98% | 45,107 psi | 85% | 2297 fps | 99.7% |
| Alliant Reloder-7 | <<locked>> | 90% | 45,107 psi | 85% | 2234 fps | 99.8% |
| Baschieri & Pellagri 106 | <<locked>> | 94% | 44,744 psi | 85% | 2211 fps | 98.1% |
| Hodgdon H322 | <<locked>> | 98% | 44,947 psi | 85% | 2306 fps | 97.8% |
| Hodgdon H335 | <<locked>> | 98% | 45,687 psi | 86% | 2323 fps | 96.9% |
| Hodgdon H4198 | <<locked>> | 90% | 46,470 psi | 88% | 2218 fps | 97.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,111 psi | 59% | 1358 fps | 100% |
| IMR 3031ᴾ | <<locked>> | 100% | 36,680 psi | 69% | 2221 fps | 96.6% |
| IMR 4198 | <<locked>> | 96% | 45,179 psi | 85% | 2244 fps | 100% |
| IMR 4227 | <<locked>> | 86% | 46,905 psi | 89% | 2205 fps | 100% |
| Lovex D073.4 | <<locked>> | 94% | 47,253 psi | 89% | 2326 fps | 96.3% |
| Lovex S053 | <<locked>> | 88% | 47,848 psi | 90% | 2198 fps | 100% |
| Norma 200 | <<locked>> | 94% | 45,469 psi | 86% | 2287 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 30,458 psi | 58% | 1388 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 86% | 45,788 psi | 86% | 2228 fps | 100% |
| ReloadSwiss RS 40ᴾ | <<locked>> | 100% | 47,384 psi | 90% | 2323 fps | 96.1% |
| Rottweil R 901ᴾ | <<locked>> | 100% | 41,176 psi | 78% | 2224 fps | 95.7% |
| Shooters World AR Plus | <<locked>> | 94% | 47,253 psi | 89% | 2326 fps | 96.3% |
| SNPE Vectan BA6 1/2 | <<locked>> | 90% | 46,978 psi | 89% | 2057 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 96% | 46,920 psi | 89% | 2336 fps | 97.1% |
| SNPE Vectan SP 3 | <<locked>> | 98% | 46,644 psi | 88% | 2300 fps | 98.8% |
| SNPE Vectan Tubal 3000ᴾ | <<locked>> | 100% | 41,408 psi | 78% | 2169 fps | 95.7% |
| Somchem S335ᴾ | <<locked>> | 100% | 39,392 psi | 74% | 2165 fps | 96.3% |
| Vihtavuori N110 | <<locked>> | 82% | 47,311 psi | 89% | 2116 fps | 100% |
| Vihtavuori N120 | <<locked>> | 92% | 45,687 psi | 86% | 2228 fps | 100% |
| Vihtavuori N130ᴾ | <<locked>> | 100% | 46,688 psi | 88% | 2260 fps | 99.7% |
| Vihtavuori N133ᴾ | <<locked>> | 100% | 40,509 psi | 77% | 2178 fps | 98.2% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 32,967 psi | 62% | 2126 fps | 96.7% |
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% | 36,042 psi | 68% | 2057 fps | 98.3% |
| Accurate 2015 | <<locked>> | 88% | 28,384 psi | 54% | 1988 fps | 95% |
| Accurate 2460 | <<locked>> | 96% | 39,784 psi | 75% | 2218 fps | 95.2% |
| Accurate 2495 | <<locked>> | 98% | 27,673 psi | 52% | 2060 fps | 95.4% |
| Accurate LT-30 | <<locked>> | 84% | 34,940 psi | 66% | 2021 fps | 95.4% |
| Accurate LT-32 | <<locked>> | 90% | 42,554 psi | 80% | 2146 fps | 95.2% |
| ADI AR 2207 | <<locked>> | 80% | 31,604 psi | 60% | 2041 fps | 99.8% |
| ADI AR 2219 | 22.8 gr | 88% | 35,969 psi | 68% | 2152 fps | 95.4% |
| Alliant AR-Comp | <<locked>> | 86% | 25,280 psi | 48% | 1955 fps | 95.9% |
| Alliant Reloder-10x | <<locked>> | 80% | 26,266 psi | 50% | 1946 fps | 95.5% |
| Alliant Reloder-7 | <<locked>> | 80% | 32,967 psi | 62% | 2031 fps | 98.2% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 32,721 psi | 62% | 2011 fps | 95% |
| Hodgdon H322 | <<locked>> | 90% | 35,128 psi | 66% | 2136 fps | 95.1% |
| Hodgdon H335 | <<locked>> | 94% | 39,958 psi | 75% | 2231 fps | 95.4% |
| Hodgdon H4198 | <<locked>> | 82% | 36,274 psi | 69% | 2054 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 22,829 psi | 43% | 1214 fps | 100% |
| IMR 3031 | <<locked>> | 96% | 32,430 psi | 61% | 2133 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 28,819 psi | 54% | 1946 fps | 97.2% |
| IMR 4227 | <<locked>> | 80% | 39,146 psi | 74% | 2093 fps | 99.9% |
| Lovex D073.4 | <<locked>> | 92% | 44,266 psi | 84% | 2283 fps | 95.6% |
| Lovex S053 | <<locked>> | 80% | 38,130 psi | 72% | 2060 fps | 100% |
| Norma 200 | 19.7 gr | 80% | 29,617 psi | 56% | 2011 fps | 97.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 22,452 psi | 42% | 1240 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 38,406 psi | 73% | 2119 fps | 99.9% |
| ReloadSwiss RS 40 | <<locked>> | 98% | 44,541 psi | 84% | 2280 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 98% | 38,769 psi | 73% | 2182 fps | 95% |
| Shooters World AR Plus | <<locked>> | 92% | 44,266 psi | 84% | 2283 fps | 95.6% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 35,969 psi | 68% | 1913 fps | 100% |
| SNPE Vectan SP 10 | 24.2 gr | 90% | 38,653 psi | 73% | 2205 fps | 95% |
| SNPE Vectan SP 3 | <<locked>> | 86% | 32,416 psi | 61% | 2057 fps | 95.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 98% | 38,870 psi | 73% | 2126 fps | 95% |
| Somchem S335 | <<locked>> | 96% | 34,867 psi | 66% | 2087 fps | 95% |
| Vihtavuori N110 | <<locked>> | 80% | 44,875 psi | 85% | 2087 fps | 100% |
| Vihtavuori N120 | <<locked>> | 80% | 31,807 psi | 60% | 2014 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 27,224 psi | 51% | 1916 fps | 95.4% |
| Vihtavuori N133 | <<locked>> | 90% | 30,139 psi | 57% | 1985 fps | 95.2% |
| Vihtavuori N135 | <<locked>> | 96% | 29,095 psi | 55% | 2041 fps | 95.2% |
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 37 powders for 7 x 50 R loaded with the .284 | 140gr | Speer TBBC. SNPE Vectan SP 10 delivers the highest muzzle velocity at 2,336 fps; across all powders the maximum-charge window runs from 1,358 fps to 2,336 fps. Accurate 2015 gives the best case fill at 100 %, and 37 of the 37 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (365 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 140.0 gr projectile in 0.284" calls for a 1:12.0 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, Norma 200 rank at the top here: for 7 x 50 R with the .284 | 140gr | Speer TBBC 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.