Load Specifications
Load data in caliber 7.5 x 54 mm MAS with .308 | 180gr | Swift Scirocco bullet and 77 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 52 and ReloadSwiss RS 60.
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"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 49,110 psi | 89% | 2402 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 46,934 psi | 85% | 2408 fps | 99.9% |
| Accurate 2495 | <<locked>> | 94% | 48,356 psi | 88% | 2448 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 48,066 psi | 87% | 2464 fps | 99.9% |
| Accurate 4064 | <<locked>> | 96% | 48,211 psi | 87% | 2480 fps | 100% |
| Accurate LT-30 | <<locked>> | 82% | 49,472 psi | 90% | 2352 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 47,747 psi | 87% | 2461 fps | 98.2% |
| ADI AR 2208 | <<locked>> | 96% | 48,892 psi | 89% | 2457 fps | 97.8% |
| ADI AR 2219 | <<locked>> | 82% | 49,153 psi | 89% | 2454 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 88% | 47,601 psi | 86% | 2431 fps | 99.1% |
| Alliant AR-Comp | <<locked>> | 90% | 49,197 psi | 89% | 2464 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 46,804 psi | 85% | 2536 fps | 97.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 47,398 psi | 86% | 2474 fps | 98.9% |
| Alliant Reloder-10x | <<locked>> | 84% | 49,226 psi | 89% | 2408 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 48,312 psi | 88% | 2490 fps | 97.9% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 47,819 psi | 87% | 2562 fps | 98.6% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 48,457 psi | 88% | 2352 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 47,079 psi | 85% | 2467 fps | 97.1% |
| Bofors RP3 | <<locked>> | 96% | 47,311 psi | 86% | 2487 fps | 99% |
| Hodgdon Benchmark | <<locked>> | 86% | 47,007 psi | 85% | 2379 fps | 99.3% |
| Hodgdon BL-C2 | <<locked>> | 90% | 48,428 psi | 88% | 2493 fps | 99.6% |
| Hodgdon CFE223 | <<locked>> | 86% | 46,833 psi | 85% | 2520 fps | 97.6% |
| Hodgdon H322 | <<locked>> | 84% | 47,732 psi | 87% | 2434 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 48,544 psi | 88% | 2457 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 48,921 psi | 89% | 2487 fps | 96.7% |
| Hodgdon H4895 | <<locked>> | 90% | 48,066 psi | 87% | 2470 fps | 98.7% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 37,782 psi | 69% | 2320 fps | 96.1% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 49,458 psi | 90% | 2543 fps | 99.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,360 psi | 62% | 1496 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 49,617 psi | 90% | 2477 fps | 98.9% |
| IMR 3031 | <<locked>> | 90% | 46,876 psi | 85% | 2470 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 48,225 psi | 88% | 2441 fps | 97.9% |
| IMR 4198 | <<locked>> | 84% | 49,821 psi | 90% | 2375 fps | 100% |
| IMR 4895 | <<locked>> | 94% | 49,443 psi | 90% | 2520 fps | 98.6% |
| IMR 8208 XBR | <<locked>> | 88% | 47,601 psi | 86% | 2431 fps | 99.1% |
| Lovex D073.5 | <<locked>> | 84% | 46,920 psi | 85% | 2415 fps | 99.5% |
| Lovex D073.6 | <<locked>> | 92% | 49,356 psi | 90% | 2490 fps | 99.9% |
| Lovex S060 | <<locked>> | 90% | 48,907 psi | 89% | 2408 fps | 98.4% |
| Lovex S062 | <<locked>> | 94% | 47,543 psi | 86% | 2444 fps | 99.2% |
| Norma 201 | <<locked>> | 92% | 49,617 psi | 90% | 2461 fps | 99.4% |
| Norma 202 | <<locked>> | 90% | 46,949 psi | 85% | 2431 fps | 100% |
| Norma 203B | <<locked>> | 94% | 47,442 psi | 86% | 2480 fps | 98.2% |
| Ramshot Big Game | <<locked>> | 94% | 47,442 psi | 86% | 2497 fps | 98% |
| Ramshot Wild Boar | <<locked>> | 90% | 49,821 psi | 90% | 2500 fps | 98.5% |
| Ramshot X-Terminator | <<locked>> | 86% | 48,559 psi | 88% | 2428 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,316 psi | 62% | 1529 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 47,181 psi | 86% | 2418 fps | 99.7% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 47,645 psi | 86% | 2543 fps | 97.8% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 47,587 psi | 86% | 2572 fps | 99.9% |
| Rottweil R 901 | <<locked>> | 88% | 48,109 psi | 87% | 2415 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 47,253 psi | 86% | 2418 fps | 99.1% |
| Rottweil R 903 | <<locked>> | 98% | 46,862 psi | 85% | 2470 fps | 98.7% |
| Shooters World Match Rifle | <<locked>> | 92% | 49,356 psi | 90% | 2490 fps | 99.9% |
| Shooters World Precision | <<locked>> | 94% | 47,543 psi | 86% | 2444 fps | 99.2% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 47,094 psi | 85% | 2388 fps | 98.8% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 49,545 psi | 90% | 2464 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 48,921 psi | 89% | 2526 fps | 98.3% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 46,876 psi | 85% | 2382 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 48,776 psi | 89% | 2454 fps | 96.5% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 49,400 psi | 90% | 2484 fps | 98.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 49,269 psi | 89% | 2385 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 48,341 psi | 88% | 2382 fps | 100% |
| Somchem S321 | <<locked>> | 86% | 48,153 psi | 87% | 2461 fps | 99.4% |
| Somchem S335 | <<locked>> | 90% | 48,211 psi | 87% | 2385 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 48,167 psi | 87% | 2454 fps | 98.2% |
| Somchem S355 | <<locked>> | 98% | 47,819 psi | 87% | 2474 fps | 98.7% |
| Somchem S365ᴾ | <<locked>> | 100% | 36,521 psi | 66% | 2359 fps | 97.3% |
| Vihtavuori N130 | <<locked>> | 86% | 49,255 psi | 89% | 2365 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 49,095 psi | 89% | 2379 fps | 100% |
| Vihtavuori N135 | <<locked>> | 94% | 48,501 psi | 88% | 2438 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 47,326 psi | 86% | 2415 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 49,342 psi | 90% | 2464 fps | 99.6% |
| Vihtavuori N530 | <<locked>> | 88% | 47,747 psi | 87% | 2428 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 94% | 48,486 psi | 88% | 2451 fps | 100% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 45,136 psi | 82% | 2411 fps | 98% |
| Winchester 748 | <<locked>> | 90% | 49,487 psi | 90% | 2513 fps | 99.8% |
| Winchester StaBALL Match | <<locked>> | 92% | 48,385 psi | 88% | 2484 fps | 98.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 38,348 psi | 70% | 2238 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 41,292 psi | 75% | 2320 fps | 99.5% |
| Accurate 2495 | <<locked>> | 80% | 30,560 psi | 55% | 2146 fps | 99.7% |
| Accurate 2520 | <<locked>> | 80% | 36,434 psi | 66% | 2267 fps | 98.5% |
| Accurate 4064 | <<locked>> | 80% | 28,964 psi | 53% | 2126 fps | 97.5% |
| Accurate LT-30 | <<locked>> | 80% | 46,760 psi | 85% | 2313 fps | 100% |
| ADI AR 2206H | <<locked>> | 82% | 37,318 psi | 68% | 2274 fps | 95.7% |
| ADI AR 2208 | <<locked>> | 88% | 38,218 psi | 69% | 2274 fps | 95.1% |
| ADI AR 2219 | <<locked>> | 80% | 46,035 psi | 84% | 2408 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 36,985 psi | 67% | 2244 fps | 97% |
| Alliant AR-Comp | <<locked>> | 80% | 35,288 psi | 64% | 2254 fps | 100% |
| Alliant Power Pro 2000-MR | 41.6 gr | 88% | 41,002 psi | 74% | 2428 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 32,561 psi | 59% | 2201 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 43,482 psi | 79% | 2326 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 86% | 37,710 psi | 68% | 2303 fps | 95.3% |
| Alliant Reloder-17 | <<locked>> | 92% | 36,680 psi | 67% | 2349 fps | 95.6% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 45,339 psi | 82% | 2310 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 41,307 psi | 75% | 2369 fps | 95.6% |
| Bofors RP3 | <<locked>> | 84% | 31,734 psi | 58% | 2198 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 39,291 psi | 71% | 2247 fps | 98.1% |
| Hodgdon BL-C2 | <<locked>> | 80% | 34,635 psi | 63% | 2251 fps | 97% |
| Hodgdon CFE223 | <<locked>> | 80% | 38,116 psi | 69% | 2356 fps | 95.3% |
| Hodgdon H322 | <<locked>> | 80% | 42,090 psi | 76% | 2346 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 42,409 psi | 77% | 2362 fps | 99.7% |
| Hodgdon H380 | <<locked>> | 92% | 43,004 psi | 78% | 2392 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 35,201 psi | 64% | 2238 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 98% | 35,679 psi | 65% | 2274 fps | 95.3% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 33,431 psi | 61% | 2244 fps | 95.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,483 psi | 46% | 1335 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 34,055 psi | 62% | 2198 fps | 95.2% |
| IMR 3031 | <<locked>> | 80% | 33,808 psi | 61% | 2247 fps | 99.7% |
| IMR 4064 | <<locked>> | 86% | 37,623 psi | 68% | 2257 fps | 95.2% |
| IMR 4198 | <<locked>> | 80% | 44,295 psi | 80% | 2297 fps | 100% |
| IMR 4895 | <<locked>> | 84% | 36,172 psi | 66% | 2283 fps | 95.5% |
| IMR 8208 XBR | <<locked>> | 80% | 36,985 psi | 67% | 2244 fps | 97% |
| Lovex D073.5 | <<locked>> | 80% | 40,973 psi | 74% | 2320 fps | 98.8% |
| Lovex D073.6 | <<locked>> | 80% | 32,982 psi | 60% | 2208 fps | 97.7% |
| Lovex S060 | <<locked>> | 80% | 36,056 psi | 65% | 2182 fps | 95.3% |
| Lovex S062 | <<locked>> | 80% | 30,777 psi | 56% | 2126 fps | 95% |
| Norma 201 | <<locked>> | 80% | 34,316 psi | 62% | 2192 fps | 96.3% |
| Norma 202 | <<locked>> | 80% | 34,200 psi | 62% | 2208 fps | 98.6% |
| Norma 203B | <<locked>> | 86% | 36,999 psi | 67% | 2293 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 86% | 36,695 psi | 67% | 2303 fps | 95.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 35,621 psi | 65% | 2251 fps | 95.1% |
| Ramshot X-Terminator | <<locked>> | 80% | 40,147 psi | 73% | 2287 fps | 96.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,556 psi | 46% | 1368 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 41,510 psi | 75% | 2326 fps | 99.1% |
| ReloadSwiss RS 52 | 39.4 gr | 86% | 38,870 psi | 71% | 2385 fps | 95.6% |
| ReloadSwiss RS 60 | 39.1 gr | 84% | 30,356 psi | 55% | 2205 fps | 95.5% |
| Rottweil R 901 | <<locked>> | 80% | 37,942 psi | 69% | 2244 fps | 99% |
| Rottweil R 902 | <<locked>> | 80% | 32,677 psi | 59% | 2149 fps | 95.7% |
| Rottweil R 903 | <<locked>> | 88% | 33,837 psi | 61% | 2234 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 32,982 psi | 60% | 2208 fps | 97.7% |
| Shooters World Precision | <<locked>> | 80% | 30,777 psi | 56% | 2126 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 43,845 psi | 80% | 2336 fps | 98.2% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 46,209 psi | 84% | 2411 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 90% | 37,855 psi | 69% | 2333 fps | 95.7% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 44,179 psi | 80% | 2339 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 45,426 psi | 82% | 2402 fps | 95.7% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 35,911 psi | 65% | 2244 fps | 95.2% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 36,260 psi | 66% | 2172 fps | 98.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 29,530 psi | 54% | 2051 fps | 98.2% |
| Somchem S321 | <<locked>> | 80% | 39,291 psi | 71% | 2313 fps | 97.9% |
| Somchem S335 | <<locked>> | 80% | 35,505 psi | 64% | 2175 fps | 99.3% |
| Somchem S341 | <<locked>> | 82% | 36,796 psi | 67% | 2257 fps | 95.4% |
| Somchem S355 | <<locked>> | 88% | 35,186 psi | 64% | 2247 fps | 95.7% |
| Somchem S365 | <<locked>> | 96% | 32,460 psi | 59% | 2264 fps | 95.8% |
| Vihtavuori N130 | <<locked>> | 80% | 41,191 psi | 75% | 2247 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 36,245 psi | 66% | 2178 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 31,343 psi | 57% | 2152 fps | 99.7% |
| Vihtavuori N140 | <<locked>> | 80% | 32,314 psi | 59% | 2152 fps | 98.4% |
| Vihtavuori N150 | <<locked>> | 84% | 29,559 psi | 54% | 2106 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 36,782 psi | 67% | 2238 fps | 97.1% |
| Vihtavuori N540 | <<locked>> | 80% | 31,096 psi | 56% | 2139 fps | 97.5% |
| Winchester 6.5 StaBALL | <<locked>> | 94% | 37,057 psi | 67% | 2264 fps | 95.8% |
| Winchester 748 | <<locked>> | 80% | 35,534 psi | 64% | 2274 fps | 97.6% |
| Winchester StaBALL Match | <<locked>> | 82% | 34,896 psi | 63% | 2244 fps | 95.6% |
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 104 powders for 7.5 x 54 mm MAS loaded with the .308 | 180gr | Swift Scirocco. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,572 fps; across all powders the maximum-charge window runs from 1,496 fps to 2,572 fps. Accurate 4350 gives the best case fill at 100 %, and 104 of the 104 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (380 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 180.0 gr projectile in 0.308" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-17 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 52, ReloadSwiss RS 60 rank at the top here: for 7.5 x 54 mm MAS with the .308 | 180gr | Swift Scirocco they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2700, Bofors RP7, Hodgdon H414 burn incompletely and react more sensitively to barrel length and temperature. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.