Load Specifications
Bullet Manufacturer:RWS
Bullet Weight:201 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Case Length (l3):2.014"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:59 Grains of Water
Primer Size:Large Rifle (LR)
Barrel Length:24"
Max. allowed Pressure:60,191 psi
Recommended Twist Rate:1:12.5
Load data in caliber .308 Win. Ackley Improved with .308 | 201gr | RWS UNI Classic bullet and 105 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 ReloadSwiss RS 52.
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.
A valid access license is required to use the Personalized Load Calculator.
You can find more information in our FAQ: How can I use the Personalized Load Calculator?
Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 53,940 psi | 90% | 2359 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 52,489 psi | 87% | 2388 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 51,358 psi | 85% | 2379 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 53,606 psi | 89% | 2438 fps | 100% |
| Accurate 2700 | <<locked>> | 92% | 51,895 psi | 86% | 2369 fps | 95.7% |
| Accurate 4064 | <<locked>> | 96% | 54,433 psi | 90% | 2457 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 46,195 psi | 77% | 2421 fps | 98.4% |
| Accurate LT-30 | <<locked>> | 82% | 53,940 psi | 90% | 2313 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 54,346 psi | 90% | 2336 fps | 100% |
| ADI AR 2206H | <<locked>> | 90% | 53,011 psi | 88% | 2448 fps | 99.8% |
| ADI AR 2208 | <<locked>> | 96% | 53,664 psi | 89% | 2441 fps | 99.5% |
| ADI AR 2219 | <<locked>> | 82% | 54,433 psi | 90% | 2421 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 88% | 52,402 psi | 87% | 2408 fps | 100% |
| Alliant AR-Comp | <<locked>> | 88% | 52,141 psi | 87% | 2388 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 53,621 psi | 89% | 2493 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 51,895 psi | 86% | 2539 fps | 99.4% |
| Alliant Power Pro Varmint | <<locked>> | 90% | 53,621 psi | 89% | 2457 fps | 99.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 52,997 psi | 88% | 2461 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 84% | 54,012 psi | 90% | 2365 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 94% | 53,853 psi | 89% | 2480 fps | 99.6% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 46,079 psi | 77% | 2428 fps | 98.5% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 53,432 psi | 89% | 2566 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 32,532 psi | 54% | 2195 fps | 96% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 52,823 psi | 88% | 2316 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 52,344 psi | 87% | 2461 fps | 99.2% |
| Bofors RP3 | <<locked>> | 96% | 53,287 psi | 89% | 2474 fps | 100% |
| Bofors RP7ᴾ | <<locked>> | 100% | 54,172 psi | 90% | 2441 fps | 96.5% |
| Hodgdon Benchmark | <<locked>> | 86% | 51,445 psi | 85% | 2356 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 90% | 54,114 psi | 90% | 2477 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 52,460 psi | 87% | 2513 fps | 99.6% |
| Hodgdon H322 | <<locked>> | 84% | 52,924 psi | 88% | 2402 fps | 100% |
| Hodgdon H335 | <<locked>> | 84% | 53,969 psi | 90% | 2431 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 51,256 psi | 85% | 2438 fps | 98.6% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 49,850 psi | 83% | 2470 fps | 96.5% |
| Hodgdon H4895 | <<locked>> | 90% | 53,447 psi | 89% | 2457 fps | 99.9% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 42,206 psi | 70% | 2326 fps | 98.9% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 51,967 psi | 86% | 2484 fps | 100% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 51,198 psi | 85% | 2500 fps | 95.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,693 psi | 58% | 1444 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 51,271 psi | 85% | 2411 fps | 99.8% |
| IMR 3031 | <<locked>> | 90% | 52,649 psi | 87% | 2441 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 53,142 psi | 88% | 2425 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 92% | 54,027 psi | 90% | 2408 fps | 97% |
| IMR 4198 | <<locked>> | 84% | 54,418 psi | 90% | 2326 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 53,011 psi | 88% | 2428 fps | 96.8% |
| IMR 4831ᴾ | <<locked>> | 100% | 44,150 psi | 73% | 2375 fps | 98% |
| IMR 4895 | <<locked>> | 92% | 51,909 psi | 86% | 2464 fps | 99.8% |
| IMR 8208 XBR | <<locked>> | 88% | 52,402 psi | 87% | 2408 fps | 100% |
| Lovex D073.5 | <<locked>> | 84% | 52,083 psi | 87% | 2392 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 51,735 psi | 86% | 2425 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 53,345 psi | 89% | 2385 fps | 99.8% |
| Lovex S062 | <<locked>> | 94% | 52,620 psi | 87% | 2425 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 51,503 psi | 86% | 2415 fps | 97.9% |
| Lovex S070ᴾ | <<locked>> | 100% | 48,878 psi | 81% | 2398 fps | 96.4% |
| Norma 201 | <<locked>> | 90% | 51,779 psi | 86% | 2398 fps | 100% |
| Norma 202 | <<locked>> | 90% | 51,982 psi | 86% | 2402 fps | 100% |
| Norma 203B | <<locked>> | 94% | 52,997 psi | 88% | 2470 fps | 99.8% |
| Norma URPᴾ | <<locked>> | 100% | 46,238 psi | 77% | 2418 fps | 98.3% |
| Ramshot Big Game | <<locked>> | 94% | 53,200 psi | 88% | 2493 fps | 99.7% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 45,585 psi | 76% | 2408 fps | 96.3% |
| Ramshot TAC | <<locked>> | 88% | 52,591 psi | 87% | 2421 fps | 98.2% |
| Ramshot Wild Boar | <<locked>> | 88% | 51,677 psi | 86% | 2438 fps | 99.7% |
| Ramshot X-Terminator | <<locked>> | 86% | 53,417 psi | 89% | 2408 fps | 99.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,041 psi | 58% | 1476 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 51,967 psi | 86% | 2392 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 51,924 psi | 86% | 2421 fps | 97.3% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 53,867 psi | 89% | 2539 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 53,229 psi | 88% | 2566 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 45,992 psi | 76% | 2441 fps | 98.1% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 47,210 psi | 78% | 2461 fps | 97.6% |
| Rottweil R 901 | <<locked>> | 88% | 53,127 psi | 88% | 2385 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 52,156 psi | 87% | 2398 fps | 100% |
| Rottweil R 903 | <<locked>> | 98% | 52,765 psi | 88% | 2461 fps | 99.9% |
| Rottweil R 907ᴾ | <<locked>> | 100% | 54,172 psi | 90% | 2441 fps | 96.5% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 51,503 psi | 86% | 2415 fps | 97.9% |
| Shooters World Match Rifle | <<locked>> | 90% | 51,735 psi | 86% | 2425 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 52,620 psi | 87% | 2425 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 48,878 psi | 81% | 2398 fps | 96.4% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 51,779 psi | 86% | 2365 fps | 99.9% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 51,198 psi | 85% | 2470 fps | 99.6% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 51,619 psi | 86% | 2343 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 90% | 54,244 psi | 90% | 2448 fps | 98.9% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 51,198 psi | 85% | 2421 fps | 99.6% |
| SNPE Vectan Tubal 3000 | <<locked>> | 90% | 53,708 psi | 89% | 2346 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 53,258 psi | 88% | 2346 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 51,967 psi | 86% | 2375 fps | 96.6% |
| Somchem S321 | <<locked>> | 86% | 53,127 psi | 88% | 2438 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 52,939 psi | 88% | 2349 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 53,534 psi | 89% | 2438 fps | 99.7% |
| Somchem S355 | <<locked>> | 98% | 53,403 psi | 89% | 2461 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 41,307 psi | 69% | 2375 fps | 99.7% |
| Vihtavuori N130 | <<locked>> | 86% | 53,722 psi | 89% | 2320 fps | 100% |
| Vihtavuori N133 | <<locked>> | 90% | 53,664 psi | 89% | 2336 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 51,169 psi | 85% | 2369 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 52,315 psi | 87% | 2382 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 51,605 psi | 86% | 2402 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 48,733 psi | 81% | 2415 fps | 98.5% |
| Vihtavuori N530 | <<locked>> | 88% | 52,678 psi | 88% | 2405 fps | 100% |
| Vihtavuori N540 | <<locked>> | 94% | 53,809 psi | 89% | 2425 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 47,718 psi | 79% | 2421 fps | 98.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 34,301 psi | 57% | 2257 fps | 96.1% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 49,908 psi | 83% | 2408 fps | 99.8% |
| Winchester 748 | <<locked>> | 88% | 51,677 psi | 86% | 2444 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 50,169 psi | 83% | 2474 fps | 96.6% |
| Winchester StaBALL Match | <<locked>> | 92% | 54,331 psi | 90% | 2474 fps | 100% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 42,148 psi | 70% | 2205 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 45,672 psi | 76% | 2297 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 34,679 psi | 58% | 2136 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 41,002 psi | 68% | 2260 fps | 99.9% |
| Accurate 2700 | <<locked>> | 90% | 48,834 psi | 81% | 2323 fps | 95% |
| Accurate 4064 | <<locked>> | 80% | 32,837 psi | 55% | 2126 fps | 99.6% |
| Accurate 4350 | <<locked>> | 92% | 35,143 psi | 58% | 2234 fps | 95.7% |
| Accurate LT-30 | <<locked>> | 80% | 50,720 psi | 84% | 2274 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 51,111 psi | 85% | 2293 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 38,696 psi | 64% | 2221 fps | 97.9% |
| ADI AR 2208 | <<locked>> | 80% | 33,185 psi | 55% | 2096 fps | 95.4% |
| ADI AR 2219 | <<locked>> | 80% | 50,720 psi | 84% | 2375 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 40,727 psi | 68% | 2231 fps | 99.2% |
| Alliant AR-Comp | <<locked>> | 80% | 39,842 psi | 66% | 2228 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 47,181 psi | 78% | 2402 fps | 99.6% |
| Alliant Power Pro 2000-MR | 38.8 gr | 80% | 34,882 psi | 58% | 2231 fps | 95.5% |
| Alliant Power Pro Varmint | <<locked>> | 80% | 39,146 psi | 65% | 2231 fps | 98.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,068 psi | 53% | 2110 fps | 97% |
| Alliant Reloder-10x | <<locked>> | 80% | 47,950 psi | 80% | 2290 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 34,635 psi | 58% | 2162 fps | 96.2% |
| Alliant Reloder-16 | <<locked>> | 90% | 34,243 psi | 57% | 2198 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 84% | 31,575 psi | 52% | 2169 fps | 95.9% |
| Alliant Reloder-23 | <<locked>> | 98% | 30,661 psi | 51% | 2149 fps | 95.1% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 49,501 psi | 82% | 2274 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 37,565 psi | 62% | 2221 fps | 96.4% |
| Bofors RP3 | <<locked>> | 80% | 31,357 psi | 52% | 2110 fps | 96.9% |
| Bofors RP7 | <<locked>> | 96% | 47,848 psi | 79% | 2349 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 42,960 psi | 71% | 2231 fps | 99.7% |
| Hodgdon BL-C2 | <<locked>> | 80% | 38,841 psi | 65% | 2247 fps | 99.3% |
| Hodgdon CFE223 | <<locked>> | 80% | 42,612 psi | 71% | 2362 fps | 98.3% |
| Hodgdon H322 | <<locked>> | 80% | 46,557 psi | 77% | 2320 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 47,079 psi | 78% | 2339 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 37,130 psi | 62% | 2205 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 98% | 46,833 psi | 78% | 2425 fps | 95.8% |
| Hodgdon H4895 | <<locked>> | 80% | 39,001 psi | 65% | 2231 fps | 98.4% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 29,428 psi | 49% | 2067 fps | 95% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 34,809 psi | 58% | 2201 fps | 97.9% |
| Hodgdon Superformance | <<locked>> | 98% | 47,776 psi | 79% | 2444 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,962 psi | 43% | 1289 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,623 psi | 63% | 2192 fps | 98% |
| IMR 3031 | <<locked>> | 80% | 38,072 psi | 63% | 2234 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 34,780 psi | 58% | 2123 fps | 96.3% |
| IMR 4166 Enduron | <<locked>> | 86% | 44,773 psi | 74% | 2270 fps | 95% |
| IMR 4198 | <<locked>> | 80% | 48,559 psi | 81% | 2257 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 94% | 47,021 psi | 78% | 2339 fps | 95.5% |
| IMR 4831 | <<locked>> | 92% | 34,243 psi | 57% | 2195 fps | 95.3% |
| IMR 4895 | <<locked>> | 80% | 35,433 psi | 59% | 2188 fps | 97.1% |
| IMR 8208 XBR | <<locked>> | 80% | 40,727 psi | 68% | 2231 fps | 99.2% |
| Lovex D073.5 | <<locked>> | 80% | 45,672 psi | 76% | 2306 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 37,043 psi | 62% | 2205 fps | 99.6% |
| Lovex S060 | <<locked>> | 80% | 39,421 psi | 65% | 2172 fps | 98% |
| Lovex S062 | <<locked>> | 80% | 34,272 psi | 57% | 2126 fps | 98% |
| Lovex S065 | <<locked>> | 92% | 40,625 psi | 67% | 2244 fps | 95.5% |
| Lovex S070 | <<locked>> | 96% | 43,207 psi | 72% | 2310 fps | 95% |
| Norma 201 | <<locked>> | 80% | 37,985 psi | 63% | 2182 fps | 98.8% |
| Norma 202 | <<locked>> | 80% | 38,000 psi | 63% | 2195 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 34,026 psi | 57% | 2152 fps | 96.7% |
| Norma URP | <<locked>> | 92% | 35,926 psi | 60% | 2234 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 80% | 33,460 psi | 56% | 2159 fps | 96.1% |
| Ramshot Hunter | <<locked>> | 98% | 42,931 psi | 71% | 2365 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 40,669 psi | 68% | 2231 fps | 95.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 39,668 psi | 66% | 2251 fps | 98% |
| Ramshot X-Terminator | <<locked>> | 80% | 44,150 psi | 73% | 2274 fps | 98.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,092 psi | 43% | 1319 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 45,614 psi | 76% | 2303 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 43,004 psi | 71% | 2283 fps | 95.3% |
| ReloadSwiss RS 52 | 37.6 gr | 80% | 35,679 psi | 59% | 2241 fps | 96.5% |
| ReloadSwiss RS 60 | 38.2 gr | 80% | 29,588 psi | 49% | 2126 fps | 97.6% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 35,288 psi | 59% | 2247 fps | 95.1% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 38,725 psi | 64% | 2306 fps | 95% |
| Rottweil R 901 | <<locked>> | 80% | 41,858 psi | 70% | 2224 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 36,187 psi | 60% | 2142 fps | 98.4% |
| Rottweil R 903 | <<locked>> | 80% | 29,515 psi | 49% | 2060 fps | 95.8% |
| Rottweil R 907 | <<locked>> | 96% | 47,848 psi | 79% | 2349 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 92% | 40,625 psi | 67% | 2244 fps | 95.5% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,043 psi | 62% | 2205 fps | 99.6% |
| Shooters World Precision | <<locked>> | 80% | 34,272 psi | 57% | 2126 fps | 98% |
| Shooters World SW4350 | <<locked>> | 96% | 43,207 psi | 72% | 2310 fps | 95% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 48,312 psi | 80% | 2320 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 30,719 psi | 51% | 2103 fps | 95.1% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 48,370 psi | 80% | 2300 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 38,653 psi | 64% | 2205 fps | 95.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 37,260 psi | 62% | 2195 fps | 97.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 39,610 psi | 66% | 2149 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,532 psi | 54% | 2037 fps | 99.7% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 45,527 psi | 76% | 2287 fps | 95.3% |
| Somchem S321 | <<locked>> | 80% | 43,656 psi | 73% | 2300 fps | 99.7% |
| Somchem S335 | <<locked>> | 80% | 39,088 psi | 65% | 2156 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 38,276 psi | 64% | 2208 fps | 97.6% |
| Somchem S355 | <<locked>> | 80% | 30,647 psi | 51% | 2070 fps | 96% |
| Somchem S365 | <<locked>> | 86% | 26,600 psi | 44% | 2051 fps | 95.3% |
| Vihtavuori N130 | <<locked>> | 80% | 44,875 psi | 75% | 2208 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 39,726 psi | 66% | 2149 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,070 psi | 58% | 2133 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 35,940 psi | 60% | 2139 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 29,022 psi | 48% | 2021 fps | 96.9% |
| Vihtavuori N160 | <<locked>> | 90% | 35,592 psi | 59% | 2192 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 40,625 psi | 67% | 2228 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 80% | 34,548 psi | 57% | 2133 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 92% | 36,956 psi | 61% | 2241 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 98% | 32,242 psi | 54% | 2211 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 29,834 psi | 50% | 2044 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 39,537 psi | 66% | 2264 fps | 99.6% |
| Winchester 760 | <<locked>> | 96% | 44,048 psi | 73% | 2375 fps | 95% |
| Winchester StaBALL Match | <<locked>> | 80% | 36,376 psi | 60% | 2195 fps | 97.9% |
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 112 powders for .308 Win. Ackley Improved loaded with the .308 | 201gr | RWS UNI Classic. Alliant Reloder-17 delivers the highest muzzle velocity at 2,566 fps; across all powders the maximum-charge window runs from 1,444 fps to 2,566 fps. Accurate 3100 gives the best case fill at 100 %, and 112 of the 112 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 48–90 %, leaving at least 10 % headroom. The 201.0 gr projectile in 0.308" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 4350, Alliant Reloder-16 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, ReloadSwiss RS 52 rank at the top here: for .308 Win. Ackley Improved with the .308 | 201gr | RWS UNI Classic they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 3100, Alliant Reloder-26, Norma 204 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.