
Load Specifications
Load data in caliber 8 x 57 I with .318 | 200gr | Woodleigh RN SN 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 2000-MR, ReloadSwiss RS 60 and Alliant Reloder-17.
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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 84% | 48,254 psi | 88% | 2379 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 49,647 psi | 90% | 2438 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 48,486 psi | 88% | 2431 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 47,471 psi | 86% | 2444 fps | 100% |
| Accurate 4064 | <<locked>> | 92% | 48,747 psi | 88% | 2474 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 47,079 psi | 85% | 2516 fps | 98.1% |
| ADI AR 2206H | <<locked>> | 86% | 47,253 psi | 86% | 2448 fps | 99% |
| ADI AR 2208 | <<locked>> | 92% | 48,167 psi | 87% | 2448 fps | 98.7% |
| ADI Benchmark 8208 | <<locked>> | 86% | 49,632 psi | 90% | 2457 fps | 99.8% |
| Alliant AR-Comp | <<locked>> | 86% | 49,400 psi | 90% | 2444 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 49,313 psi | 89% | 2589 fps | 98.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 47,355 psi | 86% | 2467 fps | 99.6% |
| Alliant Reloder-15 | <<locked>> | 90% | 48,196 psi | 87% | 2484 fps | 98.8% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 46,644 psi | 85% | 2520 fps | 98.2% |
| Alliant Reloder-17 | <<locked>> | 96% | 47,123 psi | 86% | 2556 fps | 99.5% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 49,719 psi | 90% | 2507 fps | 98.6% |
| Bofors RP3 | <<locked>> | 92% | 47,297 psi | 86% | 2477 fps | 99.6% |
| Hodgdon Benchmark | <<locked>> | 84% | 48,660 psi | 88% | 2402 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 86% | 48,182 psi | 87% | 2480 fps | 99.9% |
| Hodgdon CFE223 | <<locked>> | 84% | 49,632 psi | 90% | 2562 fps | 99.1% |
| Hodgdon H380 | <<locked>> | 92% | 48,646 psi | 88% | 2484 fps | 97.9% |
| Hodgdon H4895 | <<locked>> | 86% | 47,616 psi | 86% | 2457 fps | 99.4% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 42,859 psi | 78% | 2418 fps | 98.7% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 49,110 psi | 89% | 2533 fps | 99.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,911 psi | 63% | 1509 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 48,863 psi | 89% | 2464 fps | 99.5% |
| IMR 3031 | <<locked>> | 86% | 46,818 psi | 85% | 2451 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 47,659 psi | 86% | 2431 fps | 98.8% |
| IMR 4831ᴾ | <<locked>> | 100% | 44,802 psi | 81% | 2464 fps | 97.8% |
| IMR 4895 | <<locked>> | 90% | 49,371 psi | 90% | 2513 fps | 99.4% |
| IMR 8208 XBR | <<locked>> | 86% | 49,632 psi | 90% | 2457 fps | 99.8% |
| Lovex D073.5 | <<locked>> | 82% | 49,284 psi | 89% | 2441 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 49,095 psi | 89% | 2477 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 47,645 psi | 86% | 2392 fps | 99.1% |
| Lovex S062 | <<locked>> | 90% | 47,239 psi | 86% | 2434 fps | 99.7% |
| Lovex S065 | <<locked>> | 98% | 49,298 psi | 89% | 2467 fps | 97.2% |
| Lovex S070ᴾ | <<locked>> | 100% | 49,501 psi | 90% | 2490 fps | 96% |
| Norma 201 | <<locked>> | 88% | 49,008 psi | 89% | 2448 fps | 99.8% |
| Norma 202 | <<locked>> | 88% | 49,487 psi | 90% | 2457 fps | 100% |
| Norma 203B | <<locked>> | 90% | 47,442 psi | 86% | 2474 fps | 99.1% |
| Norma URPᴾ | <<locked>> | 100% | 46,862 psi | 85% | 2510 fps | 98% |
| Ramshot Big Game | <<locked>> | 90% | 47,239 psi | 86% | 2493 fps | 98.9% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 46,427 psi | 84% | 2503 fps | 96% |
| Ramshot TAC | <<locked>> | 84% | 46,557 psi | 84% | 2415 fps | 96.8% |
| Ramshot Wild Boar | <<locked>> | 86% | 48,878 psi | 89% | 2484 fps | 99.2% |
| Ramshot X-Terminator | <<locked>> | 82% | 47,529 psi | 86% | 2411 fps | 98.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,157 psi | 64% | 1545 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 49,298 psi | 89% | 2444 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 49,429 psi | 90% | 2467 fps | 96.4% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 47,413 psi | 86% | 2533 fps | 98.8% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 47,326 psi | 86% | 2569 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 46,586 psi | 85% | 2533 fps | 97.8% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 47,732 psi | 87% | 2552 fps | 97.3% |
| Rottweil R 901 | <<locked>> | 84% | 47,485 psi | 86% | 2398 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 49,574 psi | 90% | 2448 fps | 99.8% |
| Rottweil R 903 | <<locked>> | 94% | 47,181 psi | 86% | 2467 fps | 99.5% |
| Shooters World Long Rifle | <<locked>> | 98% | 49,298 psi | 89% | 2467 fps | 97.2% |
| Shooters World Match Rifle | <<locked>> | 88% | 49,095 psi | 89% | 2477 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 47,239 psi | 86% | 2434 fps | 99.7% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 49,501 psi | 90% | 2490 fps | 96% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 48,805 psi | 89% | 2523 fps | 99.2% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 47,761 psi | 87% | 2441 fps | 97.6% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 48,660 psi | 88% | 2470 fps | 99.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 48,109 psi | 87% | 2362 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 47,674 psi | 87% | 2362 fps | 100% |
| Somchem S321 | <<locked>> | 82% | 46,992 psi | 85% | 2434 fps | 99.8% |
| Somchem S335 | <<locked>> | 86% | 47,268 psi | 86% | 2362 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 47,485 psi | 86% | 2441 fps | 99% |
| Somchem S355 | <<locked>> | 94% | 48,124 psi | 87% | 2474 fps | 99.4% |
| Somchem S365ᴾ | <<locked>> | 100% | 41,800 psi | 76% | 2467 fps | 99.6% |
| Vihtavuori N130 | <<locked>> | 82% | 48,298 psi | 88% | 2339 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 48,182 psi | 87% | 2356 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 48,559 psi | 88% | 2421 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 46,688 psi | 85% | 2395 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 49,139 psi | 89% | 2454 fps | 99.9% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 49,516 psi | 90% | 2513 fps | 98.3% |
| Vihtavuori N530 | <<locked>> | 84% | 46,659 psi | 85% | 2408 fps | 99.6% |
| Vihtavuori N540 | <<locked>> | 90% | 48,182 psi | 87% | 2438 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 48,486 psi | 88% | 2516 fps | 98% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 47,355 psi | 86% | 2454 fps | 99.4% |
| Winchester 748 | <<locked>> | 86% | 49,139 psi | 89% | 2497 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 88% | 48,109 psi | 87% | 2477 fps | 99.5% |
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 2015 | <<locked>> | 80% | 42,554 psi | 77% | 2293 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 46,398 psi | 84% | 2392 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 35,099 psi | 64% | 2218 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 41,597 psi | 75% | 2352 fps | 99.8% |
| Accurate 4064 | <<locked>> | 80% | 33,170 psi | 60% | 2208 fps | 99.4% |
| Accurate 4350 | <<locked>> | 92% | 35,708 psi | 65% | 2316 fps | 95.2% |
| ADI AR 2206H | <<locked>> | 80% | 39,073 psi | 71% | 2306 fps | 97.5% |
| ADI AR 2208 | <<locked>> | 82% | 35,476 psi | 64% | 2218 fps | 95.7% |
| ADI Benchmark 8208 | <<locked>> | 80% | 41,118 psi | 75% | 2316 fps | 98.9% |
| Alliant AR-Comp | <<locked>> | 80% | 40,422 psi | 73% | 2320 fps | 100% |
| Alliant Power Pro 2000-MR | 43.7 gr | 80% | 35,244 psi | 64% | 2313 fps | 95% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,605 psi | 59% | 2192 fps | 96.6% |
| Alliant Reloder-15 | <<locked>> | 80% | 34,998 psi | 64% | 2244 fps | 95.7% |
| Alliant Reloder-16 | <<locked>> | 92% | 36,666 psi | 67% | 2326 fps | 95.3% |
| Alliant Reloder-17 | 45.2 gr | 84% | 32,010 psi | 58% | 2247 fps | 95.4% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 37,869 psi | 69% | 2303 fps | 96% |
| Bofors RP3 | <<locked>> | 80% | 31,836 psi | 58% | 2192 fps | 96.5% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,207 psi | 78% | 2316 fps | 99.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,276 psi | 71% | 2333 fps | 99.1% |
| Hodgdon CFE223 | <<locked>> | 80% | 43,033 psi | 78% | 2451 fps | 98% |
| Hodgdon H380 | <<locked>> | 84% | 37,492 psi | 68% | 2287 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 39,392 psi | 71% | 2316 fps | 98.1% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 31,444 psi | 57% | 2185 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,433 psi | 64% | 2287 fps | 97.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,846 psi | 47% | 1345 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,971 psi | 69% | 2277 fps | 97.7% |
| IMR 3031 | <<locked>> | 80% | 38,392 psi | 70% | 2320 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 34,940 psi | 63% | 2201 fps | 95.8% |
| IMR 4831 | <<locked>> | 94% | 37,028 psi | 67% | 2326 fps | 95.7% |
| IMR 4895 | <<locked>> | 80% | 35,810 psi | 65% | 2270 fps | 96.7% |
| IMR 8208 XBR | <<locked>> | 80% | 41,118 psi | 75% | 2316 fps | 98.9% |
| Lovex D073.5 | <<locked>> | 80% | 46,050 psi | 84% | 2395 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 37,652 psi | 68% | 2290 fps | 99.5% |
| Lovex S060 | <<locked>> | 80% | 39,798 psi | 72% | 2257 fps | 97.7% |
| Lovex S062 | <<locked>> | 80% | 34,693 psi | 63% | 2208 fps | 97.7% |
| Lovex S065 | <<locked>> | 92% | 41,162 psi | 75% | 2333 fps | 95.1% |
| Lovex S070 | <<locked>> | 98% | 46,586 psi | 85% | 2444 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 38,334 psi | 70% | 2267 fps | 98.5% |
| Norma 202 | <<locked>> | 80% | 38,580 psi | 70% | 2283 fps | 99.8% |
| Norma 203B | <<locked>> | 80% | 34,389 psi | 62% | 2234 fps | 96.2% |
| Norma URP | <<locked>> | 92% | 36,550 psi | 66% | 2323 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 80% | 33,808 psi | 61% | 2241 fps | 95.6% |
| Ramshot Hunter | <<locked>> | 98% | 43,439 psi | 79% | 2451 fps | 95.2% |
| Ramshot TAC | <<locked>> | 80% | 40,915 psi | 74% | 2316 fps | 95.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 40,030 psi | 73% | 2333 fps | 97.7% |
| Ramshot X-Terminator | <<locked>> | 80% | 44,541 psi | 81% | 2362 fps | 98.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,165 psi | 47% | 1381 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 46,093 psi | 84% | 2395 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 46,253 psi | 84% | 2418 fps | 95.7% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 36,201 psi | 66% | 2329 fps | 96.1% |
| ReloadSwiss RS 60 | 43 gr | 80% | 29,863 psi | 54% | 2201 fps | 97.1% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 38,189 psi | 69% | 2382 fps | 95.5% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 41,727 psi | 76% | 2441 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 42,308 psi | 77% | 2313 fps | 99.9% |
| Rottweil R 902 | <<locked>> | 80% | 36,680 psi | 67% | 2228 fps | 98.1% |
| Rottweil R 903 | <<locked>> | 80% | 29,965 psi | 54% | 2142 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 92% | 41,162 psi | 75% | 2333 fps | 95.1% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,652 psi | 68% | 2290 fps | 99.5% |
| Shooters World Precision | <<locked>> | 80% | 34,693 psi | 63% | 2208 fps | 97.7% |
| Shooters World SW4350 | <<locked>> | 98% | 46,586 psi | 85% | 2444 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 33,098 psi | 60% | 2231 fps | 95.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 38,943 psi | 71% | 2287 fps | 95.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 37,739 psi | 68% | 2280 fps | 97.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 40,074 psi | 73% | 2238 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,953 psi | 60% | 2119 fps | 99.6% |
| Somchem S321 | <<locked>> | 80% | 43,961 psi | 80% | 2388 fps | 99.5% |
| Somchem S335 | <<locked>> | 80% | 39,450 psi | 72% | 2241 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 38,595 psi | 70% | 2290 fps | 97.3% |
| Somchem S355 | <<locked>> | 80% | 30,966 psi | 56% | 2146 fps | 95.5% |
| Somchem S365 | <<locked>> | 88% | 28,747 psi | 52% | 2175 fps | 95.7% |
| Vihtavuori N130 | <<locked>> | 80% | 45,382 psi | 82% | 2300 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,205 psi | 73% | 2238 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,549 psi | 65% | 2221 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,419 psi | 66% | 2224 fps | 99.7% |
| Vihtavuori N150 | <<locked>> | 80% | 29,428 psi | 53% | 2096 fps | 96.5% |
| Vihtavuori N160 | <<locked>> | 92% | 38,363 psi | 70% | 2323 fps | 95.7% |
| Vihtavuori N530 | <<locked>> | 80% | 41,147 psi | 75% | 2316 fps | 99% |
| Vihtavuori N540 | <<locked>> | 80% | 34,896 psi | 63% | 2211 fps | 99.3% |
| Vihtavuori N550 | <<locked>> | 92% | 37,420 psi | 68% | 2323 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 32,097 psi | 58% | 2165 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 40,001 psi | 73% | 2352 fps | 99.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 36,927 psi | 67% | 2283 fps | 97.6% |
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 8 x 57 I loaded with the .318 | 200gr | Woodleigh RN SN. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,589 fps; across all powders the maximum-charge window runs from 1,509 fps to 2,589 fps. Accurate 4350 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 (380 MPa), the top charges use 63–90 %, leaving at least 10 % headroom. The 200.0 gr projectile in 0.318" calls for a 1:16.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Hodgdon Hybrid 100V 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 2000-MR, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for 8 x 57 I with the .318 | 200gr | Woodleigh RN SN 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.