Load Specifications
Load data in caliber 8 x 50 R with .323 | 200gr | Barnes X S bullet and 76 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 52, Hodgdon CFE223 and Ramshot Big Game.
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: 29"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 45,121 psi | 88% | 2316 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 46,209 psi | 90% | 2369 fps | 99.8% |
| Accurate 2495 | <<locked>> | 94% | 44,338 psi | 86% | 2372 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 46,296 psi | 90% | 2415 fps | 99.8% |
| Accurate 4064 | <<locked>> | 98% | 46,572 psi | 90% | 2434 fps | 100% |
| Accurate LT-30 | <<locked>> | 82% | 46,180 psi | 90% | 2270 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 46,586 psi | 90% | 2280 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 92% | 46,354 psi | 90% | 2411 fps | 97.8% |
| ADI AR 2208 | <<locked>> | 96% | 44,396 psi | 86% | 2359 fps | 96.6% |
| ADI AR 2219 | <<locked>> | 82% | 44,512 psi | 86% | 2362 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 46,137 psi | 90% | 2379 fps | 98.8% |
| Alliant AR-Comp | <<locked>> | 90% | 44,077 psi | 86% | 2379 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 43,729 psi | 85% | 2415 fps | 98% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 45,150 psi | 88% | 2470 fps | 96.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 45,165 psi | 88% | 2421 fps | 98.5% |
| Alliant Reloder-10x | <<locked>> | 84% | 45,411 psi | 88% | 2329 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 46,282 psi | 90% | 2434 fps | 97.3% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 43,091 psi | 84% | 2448 fps | 97.3% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 44,628 psi | 87% | 2270 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 45,455 psi | 88% | 2411 fps | 96.4% |
| Bofors RP3 | <<locked>> | 98% | 45,034 psi | 87% | 2431 fps | 98.5% |
| Hodgdon Benchmark | <<locked>> | 88% | 46,035 psi | 89% | 2333 fps | 99.1% |
| Hodgdon BL-C2 | <<locked>> | 90% | 43,729 psi | 85% | 2402 fps | 99% |
| Hodgdon CFE223 | <<locked>> | 88% | 45,092 psi | 88% | 2461 fps | 97% |
| Hodgdon H322 | <<locked>> | 86% | 46,224 psi | 90% | 2388 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 44,251 psi | 86% | 2369 fps | 99.8% |
| Hodgdon H4895 | <<locked>> | 90% | 43,976 psi | 85% | 2379 fps | 97.9% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 44,367 psi | 86% | 2434 fps | 98.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,997 psi | 66% | 1440 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 45,150 psi | 88% | 2382 fps | 98% |
| IMR 3031 | <<locked>> | 92% | 44,483 psi | 86% | 2418 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 43,947 psi | 85% | 2343 fps | 96.8% |
| IMR 4198 | <<locked>> | 84% | 45,992 psi | 89% | 2293 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 44,599 psi | 87% | 2421 fps | 97.7% |
| IMR 8208 XBR | <<locked>> | 90% | 46,137 psi | 90% | 2379 fps | 98.8% |
| Lovex D073.5 | <<locked>> | 86% | 45,977 psi | 89% | 2372 fps | 99.3% |
| Lovex D073.6 | <<locked>> | 92% | 44,135 psi | 86% | 2395 fps | 99.6% |
| Lovex S060 | <<locked>> | 90% | 45,063 psi | 88% | 2313 fps | 97.4% |
| Lovex S062 | <<locked>> | 96% | 46,006 psi | 89% | 2395 fps | 98.9% |
| Norma 201 | <<locked>> | 92% | 45,919 psi | 89% | 2375 fps | 98.8% |
| Norma 202 | <<locked>> | 92% | 45,426 psi | 88% | 2385 fps | 99.9% |
| Norma 203B | <<locked>> | 96% | 45,426 psi | 88% | 2425 fps | 97.7% |
| Ramshot Big Game | <<locked>> | 96% | 45,614 psi | 89% | 2438 fps | 97.4% |
| Ramshot Wild Boar | <<locked>> | 90% | 44,831 psi | 87% | 2398 fps | 97.5% |
| Ramshot X-Terminator | <<locked>> | 86% | 44,715 psi | 87% | 2333 fps | 97.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,330 psi | 67% | 1480 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 45,861 psi | 89% | 2372 fps | 99.5% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 45,469 psi | 88% | 2480 fps | 97.1% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 45,934 psi | 89% | 2510 fps | 99.7% |
| Rottweil R 901 | <<locked>> | 88% | 45,353 psi | 88% | 2339 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 94% | 45,948 psi | 89% | 2365 fps | 98.8% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 44,585 psi | 87% | 2415 fps | 98.2% |
| Shooters World Match Rifle | <<locked>> | 92% | 44,135 psi | 86% | 2395 fps | 99.6% |
| Shooters World Precision | <<locked>> | 96% | 46,006 psi | 89% | 2395 fps | 98.9% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 46,093 psi | 90% | 2339 fps | 98.4% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 45,150 psi | 88% | 2372 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 44,222 psi | 86% | 2425 fps | 97.2% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 45,745 psi | 89% | 2336 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 44,556 psi | 87% | 2382 fps | 97.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 45,440 psi | 88% | 2297 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 43,859 psi | 85% | 2290 fps | 100% |
| Somchem S321 | <<locked>> | 86% | 43,700 psi | 85% | 2365 fps | 98.7% |
| Somchem S335 | <<locked>> | 90% | 44,541 psi | 87% | 2303 fps | 100% |
| Somchem S341 | <<locked>> | 92% | 46,354 psi | 90% | 2395 fps | 97.6% |
| Somchem S355ᴾ | <<locked>> | 100% | 46,021 psi | 89% | 2421 fps | 98.2% |
| Somchem S365ᴾ | <<locked>> | 100% | 33,547 psi | 65% | 2260 fps | 95.9% |
| Vihtavuori N130 | <<locked>> | 86% | 45,745 psi | 89% | 2287 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 44,875 psi | 87% | 2293 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 46,441 psi | 90% | 2388 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 45,469 psi | 88% | 2362 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 44,092 psi | 86% | 2362 fps | 98.9% |
| Vihtavuori N530 | <<locked>> | 90% | 46,325 psi | 90% | 2375 fps | 98.8% |
| Vihtavuori N540 | <<locked>> | 94% | 44,048 psi | 86% | 2365 fps | 99.8% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 41,075 psi | 80% | 2303 fps | 96.6% |
| Winchester 748 | <<locked>> | 90% | 44,469 psi | 86% | 2415 fps | 99.2% |
| Winchester StaBALL Match | <<locked>> | 94% | 46,485 psi | 90% | 2431 fps | 98.3% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 29"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 35,955 psi | 70% | 2169 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 38,319 psi | 74% | 2241 fps | 99.1% |
| Accurate 2495 | <<locked>> | 80% | 29,341 psi | 57% | 2103 fps | 99.6% |
| Accurate 2520 | <<locked>> | 80% | 33,808 psi | 66% | 2198 fps | 97.9% |
| Accurate 4064 | <<locked>> | 80% | 27,804 psi | 54% | 2080 fps | 97.3% |
| Accurate LT-30 | <<locked>> | 80% | 43,540 psi | 85% | 2231 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 43,903 psi | 85% | 2241 fps | 99.4% |
| ADI AR 2206H | <<locked>> | 84% | 36,695 psi | 71% | 2238 fps | 95.4% |
| ADI AR 2208 | <<locked>> | 92% | 39,610 psi | 77% | 2277 fps | 95.3% |
| ADI AR 2219 | <<locked>> | 80% | 41,901 psi | 81% | 2323 fps | 99.9% |
| ADI Benchmark 8208 | <<locked>> | 80% | 34,418 psi | 67% | 2169 fps | 96.1% |
| Alliant AR-Comp | <<locked>> | 80% | 32,880 psi | 64% | 2188 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 38,769 psi | 75% | 2323 fps | 96.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 42,685 psi | 83% | 2425 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 32,082 psi | 62% | 2172 fps | 95.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 40,640 psi | 79% | 2257 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 38,972 psi | 76% | 2306 fps | 95.6% |
| Alliant Reloder-17 | <<locked>> | 96% | 38,276 psi | 74% | 2352 fps | 95.8% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 42,018 psi | 82% | 2231 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 40,161 psi | 78% | 2320 fps | 95% |
| Bofors RP3 | <<locked>> | 88% | 33,286 psi | 65% | 2218 fps | 95.7% |
| Hodgdon Benchmark | <<locked>> | 80% | 36,796 psi | 71% | 2172 fps | 97.4% |
| Hodgdon BL-C2 | <<locked>> | 80% | 31,937 psi | 62% | 2178 fps | 96.2% |
| Hodgdon CFE223 | 37.3 gr | 84% | 39,755 psi | 77% | 2362 fps | 95.6% |
| Hodgdon H322 | <<locked>> | 80% | 38,667 psi | 75% | 2267 fps | 99.8% |
| Hodgdon H335 | <<locked>> | 80% | 38,841 psi | 75% | 2280 fps | 99.3% |
| Hodgdon H4895 | <<locked>> | 82% | 34,780 psi | 68% | 2208 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 33,170 psi | 64% | 2215 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,527 psi | 50% | 1289 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 35,650 psi | 69% | 2208 fps | 95.6% |
| IMR 3031 | <<locked>> | 80% | 31,401 psi | 61% | 2178 fps | 99.3% |
| IMR 4064 | <<locked>> | 90% | 39,160 psi | 76% | 2260 fps | 95.5% |
| IMR 4198 | <<locked>> | 80% | 41,017 psi | 80% | 2221 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 35,404 psi | 69% | 2251 fps | 95.3% |
| IMR 8208 XBR | <<locked>> | 80% | 34,418 psi | 67% | 2169 fps | 96.1% |
| Lovex D073.5 | <<locked>> | 80% | 38,159 psi | 74% | 2241 fps | 98.1% |
| Lovex D073.6 | <<locked>> | 80% | 30,574 psi | 59% | 2142 fps | 97% |
| Lovex S060 | <<locked>> | 82% | 36,027 psi | 70% | 2149 fps | 95.1% |
| Lovex S062 | <<locked>> | 82% | 30,951 psi | 60% | 2110 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 32,677 psi | 63% | 2129 fps | 95.7% |
| Norma 202 | <<locked>> | 80% | 32,010 psi | 62% | 2142 fps | 98% |
| Norma 203B | <<locked>> | 88% | 36,129 psi | 70% | 2257 fps | 95.4% |
| Ramshot Big Game | 39.1 gr | 90% | 38,116 psi | 74% | 2303 fps | 95.4% |
| Ramshot Wild Boar | <<locked>> | 84% | 37,391 psi | 73% | 2264 fps | 95.6% |
| Ramshot X-Terminator | <<locked>> | 80% | 37,362 psi | 73% | 2205 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,628 psi | 50% | 1322 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 38,566 psi | 75% | 2247 fps | 98.6% |
| ReloadSwiss RS 52 | 37.9 gr | 90% | 40,161 psi | 78% | 2385 fps | 95.8% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 30,414 psi | 59% | 2178 fps | 95.3% |
| Rottweil R 901 | <<locked>> | 80% | 36,550 psi | 71% | 2185 fps | 98.7% |
| Rottweil R 902 | <<locked>> | 80% | 31,183 psi | 61% | 2087 fps | 95.1% |
| Rottweil R 903 | <<locked>> | 90% | 33,214 psi | 65% | 2208 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 30,574 psi | 59% | 2142 fps | 97% |
| Shooters World Precision | <<locked>> | 82% | 30,951 psi | 60% | 2110 fps | 95.1% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 40,509 psi | 79% | 2247 fps | 97.3% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 42,366 psi | 82% | 2329 fps | 99.6% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 36,970 psi | 72% | 2287 fps | 95.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 40,495 psi | 79% | 2254 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 37,376 psi | 73% | 2254 fps | 95.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 34,113 psi | 66% | 2100 fps | 98.3% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 27,905 psi | 54% | 1991 fps | 97.6% |
| Somchem S321 | <<locked>> | 80% | 36,405 psi | 71% | 2234 fps | 97.2% |
| Somchem S335 | <<locked>> | 80% | 33,678 psi | 65% | 2113 fps | 98.9% |
| Somchem S341 | <<locked>> | 84% | 36,187 psi | 70% | 2221 fps | 95% |
| Somchem S355 | <<locked>> | 90% | 34,534 psi | 67% | 2215 fps | 95.4% |
| Somchem S365 | <<locked>> | 98% | 31,734 psi | 62% | 2218 fps | 95.1% |
| Vihtavuori N130 | <<locked>> | 80% | 38,392 psi | 75% | 2172 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 33,707 psi | 65% | 2106 fps | 99.8% |
| Vihtavuori N135 | <<locked>> | 80% | 29,182 psi | 57% | 2087 fps | 99.4% |
| Vihtavuori N140 | <<locked>> | 80% | 30,371 psi | 59% | 2090 fps | 97.9% |
| Vihtavuori N150 | <<locked>> | 86% | 29,457 psi | 57% | 2083 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 34,316 psi | 67% | 2165 fps | 96.2% |
| Vihtavuori N540 | <<locked>> | 80% | 29,138 psi | 57% | 2080 fps | 96.9% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 36,376 psi | 71% | 2215 fps | 95% |
| Winchester 748 | <<locked>> | 80% | 32,808 psi | 64% | 2192 fps | 96.7% |
| Winchester StaBALL Match | <<locked>> | 84% | 34,330 psi | 67% | 2211 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 76 powders for 8 x 50 R loaded with the .323 | 200gr | Barnes X S. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,510 fps; across all powders the maximum-charge window runs from 1,440 fps to 2,510 fps. Alliant Reloder-17 gives the best case fill at 100 %, and 76 of the 76 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (355 MPa), the top charges use 65–90 %, leaving at least 10 % headroom. The 200.0 gr projectile in 0.323" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-17, Hodgdon TrailBoss, ReloadSwiss RS 14 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 52, Hodgdon CFE223, Ramshot Big Game rank at the top here: for 8 x 50 R with the .323 | 200gr | Barnes X S 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.