Load Specifications
Load data in caliber 7 mm B.R. Rem. with .284 | 160gr | Speer Grand Slam bullet and 82 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 1200-R, Hodgdon H335 and Somchem S321.
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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You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 84% | 52,301 psi | 89% | 2231 fps | 100% |
| Accurate 2015 | <<locked>> | 96% | 49,922 psi | 85% | 2277 fps | 100% |
| Accurate 2200 | <<locked>> | 88% | 52,185 psi | 89% | 2346 fps | 96.9% |
| Accurate 2230 | <<locked>> | 88% | 52,518 psi | 89% | 2359 fps | 97.3% |
| Accurate 2460 | <<locked>> | 94% | 52,199 psi | 89% | 2336 fps | 99.8% |
| Accurate 2495ᴾ | <<locked>> | 100% | 44,527 psi | 76% | 2274 fps | 100% |
| Accurate 2520 | <<locked>> | 98% | 52,156 psi | 89% | 2375 fps | 99.7% |
| Accurate 4064ᴾ | <<locked>> | 100% | 41,379 psi | 70% | 2254 fps | 99.4% |
| Accurate LT-30 | <<locked>> | 90% | 53,084 psi | 90% | 2247 fps | 100% |
| Accurate LT-32 | <<locked>> | 88% | 50,285 psi | 86% | 2218 fps | 99.5% |
| ADI AR 2206Hᴾ | <<locked>> | 100% | 52,489 psi | 89% | 2375 fps | 97.8% |
| ADI AR 2207 | <<locked>> | 86% | 50,488 psi | 86% | 2238 fps | 100% |
| ADI AR 2219 | <<locked>> | 90% | 51,634 psi | 88% | 2346 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 98% | 52,475 psi | 89% | 2346 fps | 98.8% |
| Alliant AR-Compᴾ | <<locked>> | 100% | 52,881 psi | 90% | 2379 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 94% | 52,982 psi | 90% | 2428 fps | 98.6% |
| Alliant Reloder- TS 15.5ᴾ | <<locked>> | 100% | 42,003 psi | 72% | 2251 fps | 96.8% |
| Alliant Reloder-10x | <<locked>> | 92% | 50,517 psi | 86% | 2290 fps | 100% |
| Alliant Reloder-15ᴾ | <<locked>> | 100% | 46,224 psi | 79% | 2310 fps | 96.1% |
| Alliant Reloder-7 | <<locked>> | 86% | 51,793 psi | 88% | 2251 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 90% | 51,314 psi | 87% | 2247 fps | 100% |
| Baschieri & Pellagri 107ᴾ | <<locked>> | 100% | 52,054 psi | 89% | 2379 fps | 96.4% |
| Bofors RP3ᴾ | <<locked>> | 100% | 41,220 psi | 70% | 2254 fps | 96.7% |
| Hodgdon Benchmark | <<locked>> | 96% | 51,996 psi | 89% | 2297 fps | 99.1% |
| Hodgdon BL-C2ᴾ | <<locked>> | 100% | 53,127 psi | 90% | 2411 fps | 99.3% |
| Hodgdon CFE223 | <<locked>> | 96% | 51,808 psi | 88% | 2431 fps | 97.1% |
| Hodgdon H322 | <<locked>> | 94% | 52,779 psi | 90% | 2359 fps | 100% |
| Hodgdon H335 | <<locked>> | 92% | 50,488 psi | 86% | 2339 fps | 99.8% |
| Hodgdon H4198 | <<locked>> | 86% | 52,214 psi | 89% | 2251 fps | 100% |
| Hodgdon H4895ᴾ | <<locked>> | 100% | 52,779 psi | 90% | 2385 fps | 98.4% |
| Hodgdon LEVERevolutionᴾ | <<locked>> | 100% | 47,514 psi | 81% | 2356 fps | 97.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,170 psi | 56% | 1358 fps | 100% |
| Hodgdon VARGETᴾ | <<locked>> | 100% | 51,517 psi | 88% | 2349 fps | 98% |
| IMR 3031ᴾ | <<locked>> | 100% | 50,328 psi | 86% | 2382 fps | 100% |
| IMR 4064ᴾ | <<locked>> | 100% | 46,630 psi | 79% | 2264 fps | 96.1% |
| IMR 4198 | <<locked>> | 92% | 52,301 psi | 89% | 2267 fps | 100% |
| IMR 4227 | <<locked>> | 82% | 52,301 psi | 89% | 2198 fps | 100% |
| IMR 4895ᴾ | <<locked>> | 100% | 47,224 psi | 80% | 2339 fps | 97% |
| IMR 8208 XBR | <<locked>> | 98% | 52,475 psi | 89% | 2346 fps | 98.8% |
| Lovex D073.4 | <<locked>> | 88% | 52,982 psi | 90% | 2349 fps | 99.7% |
| Lovex D073.5 | <<locked>> | 94% | 51,996 psi | 89% | 2339 fps | 99.3% |
| Lovex D073.6ᴾ | <<locked>> | 100% | 49,327 psi | 84% | 2352 fps | 99.5% |
| Lovex S053 | <<locked>> | 82% | 50,865 psi | 87% | 2152 fps | 100% |
| Lovex S060 | <<locked>> | 98% | 51,111 psi | 87% | 2280 fps | 97.4% |
| Lovex S062ᴾ | <<locked>> | 100% | 44,962 psi | 77% | 2260 fps | 97.8% |
| Norma 200 | <<locked>> | 88% | 50,763 psi | 86% | 2274 fps | 100% |
| Norma 201ᴾ | <<locked>> | 100% | 50,850 psi | 87% | 2329 fps | 98.6% |
| Norma 202ᴾ | <<locked>> | 100% | 50,995 psi | 87% | 2346 fps | 99.9% |
| Norma 203Bᴾ | <<locked>> | 100% | 45,266 psi | 77% | 2300 fps | 96.5% |
| Ramshot Big Gameᴾ | <<locked>> | 100% | 45,861 psi | 78% | 2313 fps | 96% |
| Ramshot Wild Boar | <<locked>> | 98% | 51,053 psi | 87% | 2362 fps | 97.5% |
| Ramshot X-Terminator | <<locked>> | 94% | 50,923 psi | 87% | 2303 fps | 97.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 32,735 psi | 56% | 1385 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 82% | 52,243 psi | 89% | 2234 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 94% | 52,417 psi | 89% | 2343 fps | 99.6% |
| ReloadSwiss RS 52ᴾ | <<locked>> | 100% | 48,182 psi | 82% | 2392 fps | 96.4% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 40,480 psi | 69% | 2277 fps | 97.6% |
| Rottweil R 901 | <<locked>> | 98% | 52,098 psi | 89% | 2326 fps | 99.8% |
| Rottweil R 902ᴾ | <<locked>> | 100% | 48,066 psi | 82% | 2283 fps | 98.2% |
| Shooters World AR Plus | <<locked>> | 88% | 52,982 psi | 90% | 2349 fps | 99.7% |
| Shooters World Match Rifleᴾ | <<locked>> | 100% | 49,327 psi | 84% | 2352 fps | 99.5% |
| Shooters World Precisionᴾ | <<locked>> | 100% | 44,962 psi | 77% | 2260 fps | 97.8% |
| Shooters World Tactical Rifle | <<locked>> | 90% | 49,734 psi | 85% | 2270 fps | 98% |
| SNPE Vectan BA6 1/2 | <<locked>> | 86% | 52,156 psi | 89% | 2031 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 90% | 51,779 psi | 88% | 2349 fps | 99.9% |
| SNPE Vectan SP 3 | <<locked>> | 92% | 51,793 psi | 88% | 2303 fps | 100% |
| SNPE Vectan SP 9ᴾ | <<locked>> | 100% | 50,560 psi | 86% | 2346 fps | 97.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 98% | 51,401 psi | 88% | 2260 fps | 99.8% |
| SNPE Vectan Tubal 5000ᴾ | <<locked>> | 100% | 43,598 psi | 74% | 2175 fps | 99.7% |
| Somchem S321 | <<locked>> | 94% | 49,980 psi | 85% | 2339 fps | 98.7% |
| Somchem S335ᴾ | <<locked>> | 100% | 52,562 psi | 89% | 2297 fps | 100% |
| Somchem S341ᴾ | <<locked>> | 100% | 53,156 psi | 90% | 2365 fps | 97.6% |
| Vihtavuori N120 | <<locked>> | 86% | 50,517 psi | 86% | 2195 fps | 100% |
| Vihtavuori N130 | <<locked>> | 94% | 51,488 psi | 88% | 2254 fps | 100% |
| Vihtavuori N133 | <<locked>> | 98% | 50,589 psi | 86% | 2257 fps | 100% |
| Vihtavuori N135ᴾ | <<locked>> | 100% | 45,455 psi | 77% | 2270 fps | 100% |
| Vihtavuori N140ᴾ | <<locked>> | 100% | 47,950 psi | 82% | 2283 fps | 99.8% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 38,290 psi | 65% | 2156 fps | 96.6% |
| Vihtavuori N530 | <<locked>> | 98% | 53,084 psi | 90% | 2346 fps | 98.9% |
| Vihtavuori N540ᴾ | <<locked>> | 100% | 46,427 psi | 79% | 2283 fps | 99.5% |
| Winchester 748 | <<locked>> | 98% | 50,589 psi | 86% | 2379 fps | 99.2% |
| Winchester StaBALL Matchᴾ | <<locked>> | 100% | 49,980 psi | 85% | 2356 fps | 97.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 1680 | <<locked>> | 80% | 46,122 psi | 79% | 2156 fps | 100% |
| Accurate 2015 | <<locked>> | 80% | 30,574 psi | 52% | 1975 fps | 98.8% |
| Accurate 2200 | <<locked>> | 84% | 45,803 psi | 78% | 2254 fps | 95.5% |
| Accurate 2230 | <<locked>> | 82% | 42,119 psi | 72% | 2208 fps | 95% |
| Accurate 2460 | <<locked>> | 80% | 32,532 psi | 55% | 2034 fps | 96.8% |
| Accurate 2495 | <<locked>> | 80% | 23,047 psi | 39% | 1873 fps | 96.9% |
| Accurate 2520 | <<locked>> | 82% | 30,124 psi | 51% | 2024 fps | 95.5% |
| Accurate 4064 | <<locked>> | 86% | 26,760 psi | 46% | 1975 fps | 95.6% |
| Accurate LT-30 | <<locked>> | 80% | 39,508 psi | 67% | 2060 fps | 99.4% |
| Accurate LT-32 | <<locked>> | 80% | 39,900 psi | 68% | 2067 fps | 98.1% |
| ADI AR 2206H | <<locked>> | 92% | 40,886 psi | 70% | 2201 fps | 95.3% |
| ADI AR 2207 | <<locked>> | 80% | 41,872 psi | 71% | 2126 fps | 100% |
| ADI AR 2219 | <<locked>> | 80% | 36,825 psi | 63% | 2126 fps | 98.9% |
| ADI Benchmark 8208 | <<locked>> | 86% | 36,027 psi | 61% | 2093 fps | 95.3% |
| Alliant AR-Comp | <<locked>> | 80% | 28,123 psi | 48% | 1991 fps | 99.8% |
| Alliant Power Pro 1200-R | 24.8 gr | 84% | 38,159 psi | 65% | 2201 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 37,014 psi | 63% | 2165 fps | 95.4% |
| Alliant Reloder-10x | <<locked>> | 80% | 35,244 psi | 60% | 2067 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 98% | 43,381 psi | 74% | 2264 fps | 95.4% |
| Alliant Reloder-7 | <<locked>> | 80% | 43,221 psi | 74% | 2139 fps | 100% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 37,405 psi | 64% | 2051 fps | 99.2% |
| Baschieri & Pellagri 107 | <<locked>> | 96% | 45,571 psi | 78% | 2287 fps | 95% |
| Bofors RP3 | <<locked>> | 96% | 36,042 psi | 61% | 2165 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 82% | 34,577 psi | 59% | 2024 fps | 95.5% |
| Hodgdon BL-C2 | <<locked>> | 86% | 33,257 psi | 57% | 2100 fps | 95.2% |
| Hodgdon CFE223 | <<locked>> | 92% | 45,252 psi | 77% | 2333 fps | 95.6% |
| Hodgdon H322 | <<locked>> | 80% | 33,736 psi | 57% | 2070 fps | 98.3% |
| Hodgdon H335 | 25.3 gr | 80% | 34,142 psi | 58% | 2083 fps | 97.5% |
| Hodgdon H4198 | <<locked>> | 80% | 43,555 psi | 74% | 2133 fps | 99.5% |
| Hodgdon H4895 | <<locked>> | 90% | 38,551 psi | 66% | 2172 fps | 95.4% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 36,811 psi | 63% | 2175 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 24,482 psi | 42% | 1211 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 40,089 psi | 68% | 2175 fps | 95.6% |
| IMR 3031 | <<locked>> | 80% | 26,701 psi | 45% | 1965 fps | 96.8% |
| IMR 4064 | <<locked>> | 98% | 43,758 psi | 74% | 2221 fps | 95.4% |
| IMR 4198 | <<locked>> | 80% | 36,869 psi | 63% | 2054 fps | 100% |
| IMR 4227 | <<locked>> | 80% | 48,921 psi | 83% | 2159 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 39,030 psi | 66% | 2208 fps | 95% |
| IMR 8208 XBR | <<locked>> | 86% | 36,027 psi | 61% | 2093 fps | 95.3% |
| Lovex D073.4 | <<locked>> | 80% | 39,842 psi | 68% | 2165 fps | 98% |
| Lovex D073.5 | <<locked>> | 80% | 32,460 psi | 55% | 2034 fps | 95.3% |
| Lovex D073.6 | <<locked>> | 84% | 29,008 psi | 49% | 2011 fps | 95% |
| Lovex S053 | <<locked>> | 80% | 48,225 psi | 82% | 2119 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 40,408 psi | 69% | 2123 fps | 95% |
| Lovex S062 | <<locked>> | 92% | 35,230 psi | 60% | 2100 fps | 95.3% |
| Norma 200 | <<locked>> | 80% | 39,697 psi | 68% | 2123 fps | 100% |
| Norma 201 | <<locked>> | 88% | 35,157 psi | 60% | 2080 fps | 95.2% |
| Norma 202 | <<locked>> | 80% | 27,354 psi | 47% | 1939 fps | 95.1% |
| Norma 203B | <<locked>> | 96% | 39,871 psi | 68% | 2215 fps | 95.1% |
| Ramshot Big Game | <<locked>> | 98% | 42,743 psi | 73% | 2264 fps | 95.2% |
| Ramshot Wild Boar | <<locked>> | 92% | 41,945 psi | 71% | 2228 fps | 95.4% |
| Ramshot X-Terminator | <<locked>> | 88% | 42,467 psi | 72% | 2182 fps | 95.4% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 24,250 psi | 41% | 1237 fps | 100% |
| ReloadSwiss RS 36 | <<locked>> | 80% | 49,023 psi | 83% | 2195 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 33,605 psi | 57% | 2047 fps | 96.2% |
| ReloadSwiss RS 52 | <<locked>> | 98% | 45,179 psi | 77% | 2346 fps | 95.7% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 35,795 psi | 61% | 2182 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 30,980 psi | 53% | 1978 fps | 96.2% |
| Rottweil R 902 | <<locked>> | 90% | 35,375 psi | 60% | 2080 fps | 95.2% |
| Shooters World AR Plus | <<locked>> | 80% | 39,842 psi | 68% | 2165 fps | 98% |
| Shooters World Match Rifle | <<locked>> | 84% | 29,008 psi | 49% | 2011 fps | 95% |
| Shooters World Precision | <<locked>> | 92% | 35,230 psi | 60% | 2100 fps | 95.3% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 38,087 psi | 65% | 2096 fps | 95.4% |
| SNPE Vectan BA6 1/2 | <<locked>> | 80% | 44,396 psi | 76% | 1942 fps | 100% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 37,507 psi | 64% | 2136 fps | 98.2% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 35,998 psi | 61% | 2077 fps | 99.3% |
| SNPE Vectan SP 9 | <<locked>> | 94% | 41,945 psi | 71% | 2218 fps | 95.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 29,776 psi | 51% | 1916 fps | 95.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 25,469 psi | 43% | 1837 fps | 95.2% |
| Somchem S321 | 26.7 gr | 84% | 35,737 psi | 61% | 2113 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 28,805 psi | 49% | 1916 fps | 96.6% |
| Somchem S341 | <<locked>> | 92% | 40,930 psi | 70% | 2192 fps | 95% |
| Vihtavuori N120 | <<locked>> | 80% | 42,003 psi | 72% | 2090 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 33,953 psi | 58% | 2001 fps | 99.8% |
| Vihtavuori N133 | <<locked>> | 80% | 29,544 psi | 50% | 1929 fps | 98.4% |
| Vihtavuori N135 | <<locked>> | 80% | 24,714 psi | 42% | 1890 fps | 97.2% |
| Vihtavuori N140 | <<locked>> | 82% | 27,673 psi | 47% | 1929 fps | 95.6% |
| Vihtavuori N150 | <<locked>> | 96% | 34,026 psi | 58% | 2077 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 86% | 35,897 psi | 61% | 2090 fps | 95.4% |
| Vihtavuori N540 | <<locked>> | 84% | 28,166 psi | 48% | 1959 fps | 95.1% |
| Winchester 748 | <<locked>> | 84% | 32,300 psi | 55% | 2070 fps | 95% |
| Winchester StaBALL Match | <<locked>> | 92% | 38,450 psi | 65% | 2178 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 82 powders for 7 mm B.R. Rem. loaded with the .284 | 160gr | Speer Grand Slam. Hodgdon CFE223 delivers the highest muzzle velocity at 2,431 fps; across all powders the maximum-charge window runs from 1,358 fps to 2,431 fps. Accurate 2495 gives the best case fill at 100 %, and 82 of the 82 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 160.0 gr projectile in 0.284" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Accurate 2495, Accurate 4064, ADI AR 2206H 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 Power Pro 1200-R, Hodgdon H335, Somchem S321 rank at the top here: for 7 mm B.R. Rem. with the .284 | 160gr | Speer Grand Slam 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.