Load Specifications
Load data in caliber 7.7 x 58 mm Arisaka with .311 | 180gr | Sellier & Bellot FMJ bullet and 56 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Reloder-17 and Bofors RP3.
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: 25.9"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 86% | 39,639 psi | 88% | 2415 fps | 100% |
| Accurate 4064 | <<locked>> | 88% | 39,595 psi | 88% | 2444 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 40,292 psi | 90% | 2520 fps | 96.5% |
| ADI AR 2206H | <<locked>> | 82% | 39,233 psi | 87% | 2418 fps | 97.4% |
| ADI AR 2208 | <<locked>> | 88% | 40,074 psi | 89% | 2418 fps | 96.8% |
| Alliant AR-Comp | <<locked>> | 82% | 40,118 psi | 89% | 2428 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 40,350 psi | 90% | 2533 fps | 96.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 88% | 39,131 psi | 87% | 2438 fps | 98.3% |
| Alliant Reloder-15 | <<locked>> | 86% | 39,697 psi | 88% | 2451 fps | 97% |
| Alliant Reloder-16 | <<locked>> | 96% | 38,870 psi | 86% | 2477 fps | 95.8% |
| Alliant Reloder-17 | <<locked>> | 92% | 38,595 psi | 86% | 2507 fps | 97.6% |
| Baschieri & Pellagri 107 | <<locked>> | 84% | 40,596 psi | 90% | 2464 fps | 96.6% |
| Bofors RP3 | <<locked>> | 88% | 38,377 psi | 85% | 2438 fps | 98.2% |
| Hodgdon BL-C2 | <<locked>> | 82% | 39,088 psi | 87% | 2441 fps | 98.9% |
| Hodgdon H4895 | <<locked>> | 82% | 39,523 psi | 88% | 2431 fps | 98% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 40,045 psi | 89% | 2474 fps | 97.9% |
| Hodgdon LEVERevolution | <<locked>> | 86% | 40,045 psi | 89% | 2493 fps | 98.5% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,432 psi | 77% | 1565 fps | 100% |
| Hodgdon VARGET | <<locked>> | 84% | 40,538 psi | 90% | 2431 fps | 98.1% |
| IMR 3031 | <<locked>> | 82% | 38,130 psi | 85% | 2428 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 39,639 psi | 88% | 2402 fps | 97% |
| IMR 4831 | <<locked>> | 98% | 39,015 psi | 87% | 2474 fps | 96.1% |
| IMR 4895 | <<locked>> | 86% | 40,567 psi | 90% | 2480 fps | 97.8% |
| Lovex D073.6 | <<locked>> | 84% | 40,045 psi | 89% | 2448 fps | 99.7% |
| Lovex S060 | <<locked>> | 82% | 40,089 psi | 89% | 2365 fps | 97.5% |
| Lovex S062 | <<locked>> | 86% | 39,218 psi | 87% | 2408 fps | 98.6% |
| Norma 201 | <<locked>> | 82% | 38,377 psi | 85% | 2375 fps | 98.4% |
| Norma 202 | <<locked>> | 82% | 38,363 psi | 85% | 2388 fps | 99.7% |
| Norma 203B | <<locked>> | 86% | 38,943 psi | 87% | 2438 fps | 97.4% |
| Ramshot Big Game | <<locked>> | 86% | 38,566 psi | 86% | 2448 fps | 97% |
| Ramshot Wild Boar | <<locked>> | 82% | 40,219 psi | 89% | 2448 fps | 97.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,664 psi | 77% | 1601 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 84% | 38,319 psi | 85% | 2484 fps | 96.6% |
| ReloadSwiss RS 60 | <<locked>> | 90% | 38,624 psi | 86% | 2520 fps | 99.5% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 40,292 psi | 90% | 2533 fps | 95.9% |
| Rottweil R 902 | <<locked>> | 84% | 38,841 psi | 86% | 2379 fps | 98.4% |
| Rottweil R 903 | <<locked>> | 90% | 38,247 psi | 85% | 2428 fps | 97.9% |
| Shooters World Match Rifle | <<locked>> | 84% | 40,045 psi | 89% | 2448 fps | 99.7% |
| Shooters World Precision | <<locked>> | 86% | 39,218 psi | 87% | 2408 fps | 98.6% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 39,914 psi | 89% | 2484 fps | 97.4% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 40,045 psi | 89% | 2434 fps | 97.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 40,176 psi | 89% | 2343 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 39,537 psi | 88% | 2346 fps | 100% |
| Somchem S335 | <<locked>> | 82% | 39,595 psi | 88% | 2346 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 38,798 psi | 86% | 2402 fps | 97.1% |
| Somchem S355 | <<locked>> | 90% | 39,639 psi | 88% | 2441 fps | 98% |
| Somchem S365ᴾ | <<locked>> | 100% | 38,899 psi | 87% | 2523 fps | 99% |
| Vihtavuori N133 | <<locked>> | 82% | 40,205 psi | 89% | 2343 fps | 100% |
| Vihtavuori N135 | <<locked>> | 86% | 39,958 psi | 89% | 2408 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 38,682 psi | 86% | 2375 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 92% | 40,335 psi | 90% | 2428 fps | 99.1% |
| Vihtavuori N160 | <<locked>> | 96% | 40,524 psi | 90% | 2470 fps | 96.1% |
| Vihtavuori N540 | <<locked>> | 86% | 39,653 psi | 88% | 2411 fps | 99.8% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 38,943 psi | 87% | 2411 fps | 97.7% |
| Winchester 748 | <<locked>> | 82% | 39,958 psi | 89% | 2464 fps | 99.3% |
| Winchester StaBALL Match | <<locked>> | 84% | 39,218 psi | 87% | 2438 fps | 98% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 25.9"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 80% | 32,619 psi | 73% | 2283 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 30,879 psi | 69% | 2267 fps | 98.9% |
| Accurate 4350 | <<locked>> | 96% | 37,449 psi | 83% | 2467 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 36,753 psi | 82% | 2369 fps | 96.7% |
| ADI AR 2208 | <<locked>> | 84% | 35,433 psi | 79% | 2323 fps | 95.4% |
| Alliant AR-Comp | <<locked>> | 80% | 37,333 psi | 83% | 2382 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 37,826 psi | 84% | 2477 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 30,255 psi | 67% | 2247 fps | 95.6% |
| Alliant Reloder-15 | <<locked>> | 82% | 34,998 psi | 78% | 2352 fps | 95.5% |
| Alliant Reloder-16 | <<locked>> | 94% | 36,709 psi | 82% | 2431 fps | 95% |
| Alliant Reloder-17 | 43.4 gr | 86% | 31,865 psi | 71% | 2349 fps | 95% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 38,072 psi | 85% | 2415 fps | 95.8% |
| Bofors RP3 | 38.9 gr | 80% | 29,399 psi | 65% | 2241 fps | 95.4% |
| Hodgdon BL-C2 | <<locked>> | 80% | 36,564 psi | 81% | 2395 fps | 98.5% |
| Hodgdon H4895 | <<locked>> | 80% | 36,985 psi | 82% | 2379 fps | 97.4% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 33,330 psi | 74% | 2333 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 32,982 psi | 73% | 2339 fps | 96.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,672 psi | 57% | 1398 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 35,723 psi | 79% | 2336 fps | 96.9% |
| IMR 3031 | <<locked>> | 80% | 35,737 psi | 79% | 2385 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 34,983 psi | 78% | 2306 fps | 95.6% |
| IMR 4831 | <<locked>> | 96% | 36,535 psi | 81% | 2425 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 33,460 psi | 74% | 2329 fps | 95.8% |
| Lovex D073.6 | <<locked>> | 80% | 34,940 psi | 78% | 2349 fps | 98.9% |
| Lovex S060 | <<locked>> | 80% | 37,550 psi | 84% | 2316 fps | 96.9% |
| Lovex S062 | <<locked>> | 80% | 32,372 psi | 72% | 2264 fps | 96.8% |
| Norma 201 | <<locked>> | 80% | 36,143 psi | 80% | 2329 fps | 97.8% |
| Norma 202 | <<locked>> | 80% | 36,100 psi | 80% | 2346 fps | 99.5% |
| Norma 203B | <<locked>> | 80% | 32,140 psi | 71% | 2290 fps | 95.2% |
| Ramshot Big Game | <<locked>> | 82% | 33,721 psi | 75% | 2343 fps | 95.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 37,463 psi | 83% | 2392 fps | 96.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,715 psi | 57% | 1430 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 33,678 psi | 75% | 2382 fps | 95% |
| ReloadSwiss RS 60 | 40.4 gr | 80% | 28,079 psi | 62% | 2251 fps | 95.9% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 37,753 psi | 84% | 2480 fps | 95.1% |
| Rottweil R 902 | <<locked>> | 80% | 34,287 psi | 76% | 2283 fps | 97.3% |
| Rottweil R 903 | <<locked>> | 82% | 29,530 psi | 66% | 2238 fps | 95% |
| Shooters World Match Rifle | <<locked>> | 80% | 34,940 psi | 78% | 2349 fps | 98.9% |
| Shooters World Precision | <<locked>> | 80% | 32,372 psi | 72% | 2264 fps | 96.8% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 32,953 psi | 73% | 2333 fps | 95.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 35,404 psi | 79% | 2339 fps | 96.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,782 psi | 84% | 2300 fps | 99.6% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,893 psi | 69% | 2175 fps | 99.2% |
| Somchem S335 | <<locked>> | 80% | 37,333 psi | 83% | 2306 fps | 99.9% |
| Somchem S341 | <<locked>> | 80% | 36,056 psi | 80% | 2346 fps | 96.3% |
| Somchem S355 | <<locked>> | 82% | 30,792 psi | 68% | 2251 fps | 95.2% |
| Somchem S365 | <<locked>> | 90% | 28,514 psi | 63% | 2270 fps | 95.3% |
| Vihtavuori N133 | <<locked>> | 80% | 37,826 psi | 84% | 2303 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 33,054 psi | 74% | 2280 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 34,069 psi | 76% | 2287 fps | 99.4% |
| Vihtavuori N150 | <<locked>> | 80% | 27,398 psi | 61% | 2149 fps | 95.4% |
| Vihtavuori N160 | <<locked>> | 94% | 37,927 psi | 84% | 2421 fps | 95.3% |
| Vihtavuori N540 | <<locked>> | 80% | 32,576 psi | 72% | 2270 fps | 98.8% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 32,155 psi | 72% | 2264 fps | 95.3% |
| Winchester 748 | <<locked>> | 80% | 37,347 psi | 83% | 2411 fps | 98.9% |
| Winchester StaBALL Match | <<locked>> | 80% | 34,360 psi | 76% | 2336 fps | 96.6% |
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 56 powders for 7.7 x 58 mm Arisaka loaded with the .311 | 180gr | Sellier & Bellot FMJ. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,533 fps; across all powders the maximum-charge window runs from 1,565 fps to 2,533 fps. Hodgdon Hybrid 100V gives the best case fill at 100 %, and 56 of the 56 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (310 MPa), the top charges use 77–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.311" calls for a 1:13.0 twist; slower twists will usually not stabilise this weight. Hodgdon Hybrid 100V, 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 60, Alliant Reloder-17, Bofors RP3 rank at the top here: for 7.7 x 58 mm Arisaka with the .311 | 180gr | Sellier & Bellot FMJ 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.