
Load Specifications
Load data in caliber .375 Hoelderlin with .375 | 260gr | SUS-TAC HP bullet and 81 powders. The key underlying parameters are shown in the table above.
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: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 90% | 48,994 psi | 89% | 2461 fps | 100% |
| Accurate 2200 | <<locked>> | 82% | 49,676 psi | 90% | 2530 fps | 97.7% |
| Accurate 2230 | <<locked>> | 82% | 49,835 psi | 90% | 2539 fps | 98% |
| Accurate 2460 | <<locked>> | 86% | 47,297 psi | 86% | 2477 fps | 99.9% |
| Accurate 2495 | <<locked>> | 96% | 48,037 psi | 87% | 2510 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 47,921 psi | 87% | 2523 fps | 99.9% |
| Accurate 4064 | <<locked>> | 98% | 47,543 psi | 86% | 2536 fps | 100% |
| Accurate LT-30 | <<locked>> | 82% | 47,427 psi | 86% | 2379 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 47,805 psi | 87% | 2392 fps | 99.8% |
| ADI AR 2206H | <<locked>> | 92% | 47,834 psi | 87% | 2523 fps | 98.2% |
| ADI AR 2208 | <<locked>> | 98% | 48,675 psi | 88% | 2513 fps | 97.6% |
| ADI AR 2219 | <<locked>> | 84% | 49,400 psi | 90% | 2520 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 47,659 psi | 86% | 2490 fps | 99% |
| Alliant AR-Comp | <<locked>> | 92% | 48,907 psi | 89% | 2526 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 48,312 psi | 88% | 2575 fps | 98.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 46,934 psi | 85% | 2598 fps | 96.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 47,065 psi | 85% | 2533 fps | 98.8% |
| Alliant Reloder-10x | <<locked>> | 86% | 49,168 psi | 89% | 2470 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 48,298 psi | 88% | 2552 fps | 97.8% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 44,730 psi | 81% | 2569 fps | 97.9% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 48,834 psi | 89% | 2415 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 47,181 psi | 86% | 2530 fps | 97% |
| Bofors RP3 | <<locked>> | 98% | 46,789 psi | 85% | 2539 fps | 98.8% |
| Hodgdon Benchmark | <<locked>> | 88% | 47,195 psi | 86% | 2441 fps | 99.3% |
| Hodgdon BL-C2 | <<locked>> | 92% | 48,646 psi | 88% | 2562 fps | 99.5% |
| Hodgdon CFE223 | <<locked>> | 88% | 47,108 psi | 85% | 2585 fps | 97.6% |
| Hodgdon H322 | <<locked>> | 86% | 48,153 psi | 87% | 2503 fps | 100% |
| Hodgdon H335 | <<locked>> | 86% | 48,936 psi | 89% | 2523 fps | 100% |
| Hodgdon H380 | <<locked>> | 98% | 48,936 psi | 89% | 2549 fps | 96.6% |
| Hodgdon H4895 | <<locked>> | 92% | 48,109 psi | 87% | 2533 fps | 98.7% |
| Hodgdon LEVERevolution | <<locked>> | 96% | 49,284 psi | 89% | 2602 fps | 99.2% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 33,779 psi | 61% | 1516 fps | 100% |
| Hodgdon VARGET | <<locked>> | 94% | 49,719 psi | 90% | 2539 fps | 98.8% |
| IMR 3031 | <<locked>> | 94% | 49,676 psi | 90% | 2575 fps | 100% |
| IMR 4064 | <<locked>> | 96% | 48,269 psi | 88% | 2500 fps | 97.8% |
| IMR 4198 | <<locked>> | 84% | 47,340 psi | 86% | 2402 fps | 100% |
| IMR 4895 | <<locked>> | 96% | 49,385 psi | 90% | 2582 fps | 98.5% |
| IMR 8208 XBR | <<locked>> | 90% | 47,659 psi | 86% | 2490 fps | 99% |
| Lovex D073.5 | <<locked>> | 86% | 47,021 psi | 85% | 2477 fps | 99.5% |
| Lovex D073.6 | <<locked>> | 94% | 48,965 psi | 89% | 2549 fps | 99.9% |
| Lovex S060 | <<locked>> | 92% | 49,153 psi | 89% | 2470 fps | 98.3% |
| Lovex S062 | <<locked>> | 96% | 47,311 psi | 86% | 2503 fps | 99.1% |
| Norma 200 | <<locked>> | 82% | 49,168 psi | 89% | 2448 fps | 100% |
| Norma 201 | <<locked>> | 94% | 49,719 psi | 90% | 2523 fps | 99.3% |
| Norma 202 | <<locked>> | 94% | 49,777 psi | 90% | 2536 fps | 100% |
| Norma 203B | <<locked>> | 96% | 47,369 psi | 86% | 2539 fps | 98.1% |
| Ramshot Big Game | <<locked>> | 96% | 47,601 psi | 86% | 2559 fps | 97.9% |
| Ramshot Wild Boar | <<locked>> | 90% | 46,659 psi | 85% | 2513 fps | 97.9% |
| Ramshot X-Terminator | <<locked>> | 88% | 49,066 psi | 89% | 2493 fps | 98.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,113 psi | 62% | 1555 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 47,456 psi | 86% | 2484 fps | 99.7% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 47,427 psi | 86% | 2602 fps | 97.7% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 47,790 psi | 87% | 2635 fps | 99.9% |
| Rottweil R 901 | <<locked>> | 90% | 48,124 psi | 87% | 2477 fps | 99.9% |
| Rottweil R 902 | <<locked>> | 94% | 47,152 psi | 86% | 2477 fps | 99% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 46,398 psi | 84% | 2526 fps | 98.5% |
| Shooters World Match Rifle | <<locked>> | 94% | 48,965 psi | 89% | 2549 fps | 99.9% |
| Shooters World Precision | <<locked>> | 96% | 47,311 psi | 86% | 2503 fps | 99.1% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 47,355 psi | 86% | 2448 fps | 98.7% |
| SNPE Vectan SP 10 | <<locked>> | 84% | 49,748 psi | 90% | 2530 fps | 100% |
| SNPE Vectan SP 11ᴾ | <<locked>> | 100% | 48,834 psi | 89% | 2585 fps | 98.2% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 47,268 psi | 86% | 2448 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 92% | 48,747 psi | 88% | 2513 fps | 96.3% |
| SNPE Vectan SP 9 | <<locked>> | 94% | 49,400 psi | 90% | 2546 fps | 98.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 49,530 psi | 90% | 2444 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 48,443 psi | 88% | 2441 fps | 100% |
| Somchem S321 | <<locked>> | 88% | 48,327 psi | 88% | 2523 fps | 99.3% |
| Somchem S335 | <<locked>> | 92% | 48,327 psi | 88% | 2448 fps | 100% |
| Somchem S341 | <<locked>> | 92% | 48,167 psi | 87% | 2513 fps | 98% |
| Somchem S355ᴾ | <<locked>> | 100% | 47,819 psi | 87% | 2536 fps | 98.6% |
| Somchem S365ᴾ | <<locked>> | 100% | 34,229 psi | 62% | 2365 fps | 96.4% |
| Vihtavuori N130 | <<locked>> | 88% | 49,617 psi | 90% | 2428 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 49,226 psi | 89% | 2438 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 48,486 psi | 88% | 2503 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 47,253 psi | 86% | 2474 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 45,919 psi | 83% | 2474 fps | 99.2% |
| Vihtavuori N530 | <<locked>> | 90% | 47,935 psi | 87% | 2490 fps | 99.1% |
| Vihtavuori N540 | <<locked>> | 96% | 48,457 psi | 88% | 2513 fps | 100% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 42,409 psi | 77% | 2418 fps | 97.2% |
| Winchester 748 | <<locked>> | 92% | 49,501 psi | 90% | 2575 fps | 99.7% |
| Winchester StaBALL Match | <<locked>> | 94% | 48,617 psi | 88% | 2552 fps | 98.8% |
Start Load - Barrel Length: 25.6"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 35,984 psi | 65% | 2254 fps | 100% |
| Accurate 2200 | <<locked>> | 80% | 46,499 psi | 84% | 2480 fps | 97% |
| Accurate 2230 | <<locked>> | 80% | 46,398 psi | 84% | 2484 fps | 97.4% |
| Accurate 2460 | <<locked>> | 80% | 38,740 psi | 70% | 2336 fps | 99.2% |
| Accurate 2495 | <<locked>> | 80% | 28,355 psi | 51% | 2162 fps | 99.3% |
| Accurate 2520 | <<locked>> | 80% | 34,084 psi | 62% | 2283 fps | 98% |
| Accurate 4064 | <<locked>> | 80% | 26,890 psi | 49% | 2139 fps | 96.8% |
| Accurate LT-30 | <<locked>> | 80% | 44,483 psi | 81% | 2333 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 44,860 psi | 81% | 2346 fps | 99.6% |
| ADI AR 2206H | <<locked>> | 84% | 37,434 psi | 68% | 2336 fps | 95.7% |
| ADI AR 2208 | <<locked>> | 90% | 38,319 psi | 70% | 2336 fps | 95% |
| ADI AR 2219 | <<locked>> | 80% | 43,236 psi | 78% | 2428 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 34,867 psi | 63% | 2260 fps | 96.3% |
| Alliant AR-Comp | <<locked>> | 80% | 32,996 psi | 60% | 2274 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 39,697 psi | 72% | 2428 fps | 97.2% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 41,191 psi | 75% | 2490 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 32,285 psi | 59% | 2257 fps | 95.1% |
| Alliant Reloder-10x | <<locked>> | 80% | 40,959 psi | 74% | 2346 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 37,536 psi | 68% | 2362 fps | 95.1% |
| Alliant Reloder-17 | <<locked>> | 94% | 36,666 psi | 67% | 2405 fps | 95.4% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 43,105 psi | 78% | 2333 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 41,452 psi | 75% | 2431 fps | 95.5% |
| Bofors RP3 | <<locked>> | 88% | 33,591 psi | 61% | 2303 fps | 95.8% |
| Hodgdon Benchmark | <<locked>> | 80% | 37,130 psi | 67% | 2264 fps | 97.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 32,314 psi | 59% | 2264 fps | 96.3% |
| Hodgdon CFE223 | <<locked>> | 82% | 38,363 psi | 70% | 2425 fps | 95.2% |
| Hodgdon H322 | <<locked>> | 80% | 39,639 psi | 72% | 2365 fps | 99.8% |
| Hodgdon H335 | <<locked>> | 80% | 39,987 psi | 73% | 2382 fps | 99.5% |
| Hodgdon H380 | <<locked>> | 94% | 42,873 psi | 78% | 2451 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 82% | 35,302 psi | 64% | 2300 fps | 95.7% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 33,460 psi | 61% | 2303 fps | 95.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,179 psi | 46% | 1355 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 34,156 psi | 62% | 2257 fps | 95.1% |
| IMR 3031 | <<locked>> | 80% | 31,604 psi | 57% | 2264 fps | 99.3% |
| IMR 4064 | <<locked>> | 88% | 37,869 psi | 69% | 2320 fps | 95.2% |
| IMR 4198 | <<locked>> | 80% | 42,250 psi | 77% | 2326 fps | 100% |
| IMR 4895 | <<locked>> | 86% | 35,955 psi | 65% | 2343 fps | 95.4% |
| IMR 8208 XBR | <<locked>> | 80% | 34,867 psi | 63% | 2260 fps | 96.3% |
| Lovex D073.5 | <<locked>> | 80% | 38,363 psi | 70% | 2333 fps | 98.2% |
| Lovex D073.6 | <<locked>> | 80% | 30,690 psi | 56% | 2221 fps | 96.9% |
| Lovex S060 | <<locked>> | 82% | 36,477 psi | 66% | 2247 fps | 95.3% |
| Lovex S062 | <<locked>> | 82% | 30,879 psi | 56% | 2188 fps | 95% |
| Norma 200 | <<locked>> | 80% | 46,325 psi | 84% | 2408 fps | 100% |
| Norma 201 | <<locked>> | 80% | 32,329 psi | 59% | 2205 fps | 95.6% |
| Norma 202 | <<locked>> | 80% | 32,155 psi | 58% | 2224 fps | 98% |
| Norma 203B | <<locked>> | 88% | 36,825 psi | 67% | 2352 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 88% | 36,709 psi | 67% | 2359 fps | 95% |
| Ramshot Wild Boar | <<locked>> | 82% | 35,911 psi | 65% | 2316 fps | 95.1% |
| Ramshot X-Terminator | <<locked>> | 80% | 37,869 psi | 69% | 2300 fps | 95.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,222 psi | 46% | 1388 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 39,131 psi | 71% | 2343 fps | 98.7% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 38,725 psi | 70% | 2444 fps | 95.4% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 30,443 psi | 55% | 2264 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 35,940 psi | 65% | 2264 fps | 98.6% |
| Rottweil R 902 | <<locked>> | 82% | 32,721 psi | 59% | 2208 fps | 95.7% |
| Rottweil R 903 | <<locked>> | 90% | 33,692 psi | 61% | 2297 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 30,690 psi | 56% | 2221 fps | 96.9% |
| Shooters World Precision | <<locked>> | 82% | 30,879 psi | 56% | 2188 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 41,379 psi | 75% | 2352 fps | 97.6% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 43,627 psi | 79% | 2434 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 38,014 psi | 69% | 2395 fps | 95.6% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 41,524 psi | 75% | 2359 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 45,455 psi | 82% | 2461 fps | 95.6% |
| SNPE Vectan SP 9 | <<locked>> | 84% | 35,897 psi | 65% | 2306 fps | 95.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 34,142 psi | 62% | 2188 fps | 98.4% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 27,702 psi | 50% | 2067 fps | 97.5% |
| Somchem S321 | <<locked>> | 80% | 36,970 psi | 67% | 2326 fps | 97.3% |
| Somchem S335 | <<locked>> | 80% | 33,605 psi | 61% | 2195 fps | 98.9% |
| Somchem S341 | <<locked>> | 84% | 36,782 psi | 67% | 2316 fps | 95.3% |
| Somchem S355 | <<locked>> | 90% | 34,969 psi | 63% | 2306 fps | 95.6% |
| Somchem S365 | <<locked>> | 98% | 32,140 psi | 58% | 2313 fps | 95.5% |
| Vihtavuori N130 | <<locked>> | 80% | 38,870 psi | 71% | 2267 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 34,055 psi | 62% | 2195 fps | 99.8% |
| Vihtavuori N135 | <<locked>> | 80% | 29,109 psi | 53% | 2165 fps | 99.4% |
| Vihtavuori N140 | <<locked>> | 80% | 30,414 psi | 55% | 2169 fps | 97.8% |
| Vihtavuori N150 | <<locked>> | 86% | 29,370 psi | 53% | 2162 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 34,650 psi | 63% | 2254 fps | 96.4% |
| Vihtavuori N540 | <<locked>> | 80% | 29,066 psi | 53% | 2152 fps | 96.8% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 37,115 psi | 67% | 2316 fps | 95.6% |
| Winchester 748 | <<locked>> | 80% | 33,257 psi | 60% | 2283 fps | 96.8% |
| Winchester StaBALL Match | <<locked>> | 84% | 34,940 psi | 63% | 2306 fps | 95.6% |
ᴾ possible press load - work up slowly to this load while watching for signs of excessive pressure.
This overview compares 81 powders for .375 Hoelderlin loaded with the .375 | 260gr | SUS-TAC HP. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,635 fps; across all powders the maximum-charge window runs from 1,516 fps to 2,635 fps. Alliant Reloder-17 gives the best case fill at 100 %, and 81 of the 81 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (380 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 260.0 gr projectile in 0.375" calls for a 1:16.0 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. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.