Load Specifications
Load data in caliber .308 Win. with .308 | 201gr | RWS UNI Classic bullet and 94 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, Hodgdon CFE223 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>> | 90% | 54,186 psi | 90% | 2336 fps | 100% |
| Accurate 2460 | <<locked>> | 86% | 52,576 psi | 87% | 2359 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 50,879 psi | 85% | 2349 fps | 100% |
| Accurate 2520 | <<locked>> | 90% | 53,925 psi | 90% | 2411 fps | 100% |
| Accurate 4064 | <<locked>> | 98% | 53,911 psi | 90% | 2425 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 42,743 psi | 71% | 2339 fps | 97.3% |
| Accurate LT-30 | <<locked>> | 82% | 51,474 psi | 86% | 2254 fps | 100% |
| Accurate LT-32 | <<locked>> | 82% | 51,866 psi | 86% | 2274 fps | 100% |
| ADI AR 2206H | <<locked>> | 92% | 52,910 psi | 88% | 2411 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 98% | 53,954 psi | 90% | 2411 fps | 99.3% |
| ADI AR 2219 | <<locked>> | 82% | 51,198 psi | 85% | 2352 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 90% | 52,649 psi | 87% | 2379 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 90% | 51,764 psi | 86% | 2359 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 86% | 54,070 psi | 90% | 2467 fps | 99.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 94% | 52,112 psi | 87% | 2507 fps | 99.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 98% | 52,721 psi | 88% | 2425 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 86% | 54,331 psi | 90% | 2343 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 96% | 54,041 psi | 90% | 2451 fps | 99.4% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 43,308 psi | 72% | 2343 fps | 97.3% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 49,995 psi | 83% | 2480 fps | 99.7% |
| Baschieri & Pellagri 106 | <<locked>> | 84% | 53,577 psi | 89% | 2293 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 92% | 52,402 psi | 87% | 2428 fps | 98.9% |
| Bofors RP3 | <<locked>> | 98% | 53,113 psi | 88% | 2441 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 88% | 51,909 psi | 86% | 2329 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 92% | 54,346 psi | 90% | 2448 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 88% | 52,431 psi | 87% | 2480 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 86% | 53,156 psi | 88% | 2375 fps | 100% |
| Hodgdon H335 | <<locked>> | 86% | 54,302 psi | 90% | 2405 fps | 100% |
| Hodgdon H380 | <<locked>> | 96% | 51,169 psi | 85% | 2402 fps | 98.2% |
| Hodgdon H4895 | <<locked>> | 92% | 53,316 psi | 89% | 2425 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 39,740 psi | 66% | 2251 fps | 98% |
| Hodgdon LEVERevolution | <<locked>> | 94% | 51,735 psi | 86% | 2451 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,476 psi | 57% | 1414 fps | 100% |
| Hodgdon VARGET | <<locked>> | 92% | 51,605 psi | 86% | 2385 fps | 99.7% |
| IMR 3031 | <<locked>> | 92% | 52,446 psi | 87% | 2411 fps | 100% |
| IMR 4064 | <<locked>> | 96% | 53,258 psi | 88% | 2392 fps | 99.3% |
| IMR 4166 Enduron | <<locked>> | 92% | 51,169 psi | 85% | 2333 fps | 95.9% |
| IMR 4198 | <<locked>> | 84% | 51,764 psi | 86% | 2267 fps | 100% |
| IMR 4451 Enduronᴾ | <<locked>> | 100% | 53,345 psi | 89% | 2392 fps | 96.2% |
| IMR 4831ᴾ | <<locked>> | 100% | 41,133 psi | 68% | 2293 fps | 96.9% |
| IMR 4895 | <<locked>> | 94% | 51,837 psi | 86% | 2431 fps | 99.6% |
| IMR 8208 XBR | <<locked>> | 90% | 52,649 psi | 87% | 2379 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 86% | 52,634 psi | 87% | 2369 fps | 100% |
| Lovex D073.6 | <<locked>> | 92% | 51,619 psi | 86% | 2395 fps | 100% |
| Lovex S060 | <<locked>> | 92% | 53,751 psi | 89% | 2356 fps | 99.6% |
| Lovex S062 | <<locked>> | 96% | 52,576 psi | 87% | 2392 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 48,428 psi | 80% | 2336 fps | 96.9% |
| Norma 200 | <<locked>> | 82% | 54,273 psi | 90% | 2316 fps | 100% |
| Norma 201 | <<locked>> | 92% | 51,938 psi | 86% | 2372 fps | 99.9% |
| Norma 202 | <<locked>> | 92% | 52,170 psi | 87% | 2375 fps | 100% |
| Norma 203B | <<locked>> | 96% | 53,127 psi | 88% | 2438 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 43,207 psi | 72% | 2336 fps | 97.2% |
| Ramshot Big Game | <<locked>> | 96% | 53,084 psi | 88% | 2457 fps | 99.5% |
| Ramshot TAC | <<locked>> | 90% | 53,011 psi | 88% | 2392 fps | 97.9% |
| Ramshot Wild Boar | <<locked>> | 90% | 51,822 psi | 86% | 2405 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 88% | 54,041 psi | 90% | 2385 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,824 psi | 58% | 1447 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 86% | 52,373 psi | 87% | 2365 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 96% | 52,170 psi | 87% | 2388 fps | 96.8% |
| ReloadSwiss RS 52 | <<locked>> | 94% | 53,403 psi | 89% | 2500 fps | 99.4% |
| ReloadSwiss RS 60ᴾ | <<locked>> | 100% | 53,403 psi | 89% | 2533 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 42,685 psi | 71% | 2356 fps | 96.8% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 44,382 psi | 74% | 2372 fps | 96.1% |
| Rottweil R 901 | <<locked>> | 90% | 53,301 psi | 89% | 2359 fps | 100% |
| Rottweil R 902 | <<locked>> | 94% | 52,373 psi | 87% | 2369 fps | 99.9% |
| Rottweil R 903ᴾ | <<locked>> | 100% | 52,591 psi | 87% | 2428 fps | 99.8% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 48,428 psi | 80% | 2336 fps | 96.9% |
| Shooters World Match Rifle | <<locked>> | 92% | 51,619 psi | 86% | 2395 fps | 100% |
| Shooters World Precision | <<locked>> | 96% | 52,576 psi | 87% | 2392 fps | 100% |
| Shooters World Tactical Rifle | <<locked>> | 84% | 52,446 psi | 87% | 2343 fps | 99.8% |
| SNPE Vectan SP 10 | <<locked>> | 82% | 51,721 psi | 86% | 2365 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 98% | 51,343 psi | 85% | 2441 fps | 99.4% |
| SNPE Vectan SP 3 | <<locked>> | 84% | 52,141 psi | 87% | 2320 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 92% | 54,346 psi | 90% | 2415 fps | 98.5% |
| SNPE Vectan SP 9 | <<locked>> | 92% | 51,329 psi | 85% | 2392 fps | 99.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 92% | 54,273 psi | 90% | 2323 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 98% | 53,374 psi | 89% | 2320 fps | 100% |
| Somchem S321 | <<locked>> | 88% | 53,635 psi | 89% | 2411 fps | 100% |
| Somchem S335 | <<locked>> | 92% | 53,200 psi | 88% | 2323 fps | 100% |
| Somchem S341 | <<locked>> | 92% | 53,577 psi | 89% | 2408 fps | 99.5% |
| Somchem S355ᴾ | <<locked>> | 100% | 53,359 psi | 89% | 2428 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 38,334 psi | 64% | 2290 fps | 99% |
| Vihtavuori N130 | <<locked>> | 88% | 54,317 psi | 90% | 2297 fps | 100% |
| Vihtavuori N133 | <<locked>> | 92% | 54,099 psi | 90% | 2310 fps | 100% |
| Vihtavuori N135 | <<locked>> | 96% | 54,186 psi | 90% | 2375 fps | 100% |
| Vihtavuori N140 | <<locked>> | 94% | 52,692 psi | 88% | 2359 fps | 100% |
| Vihtavuori N150ᴾ | <<locked>> | 100% | 51,663 psi | 86% | 2372 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 45,745 psi | 76% | 2339 fps | 97.5% |
| Vihtavuori N530 | <<locked>> | 90% | 53,040 psi | 88% | 2379 fps | 100% |
| Vihtavuori N540 | <<locked>> | 96% | 53,824 psi | 89% | 2395 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 44,498 psi | 74% | 2343 fps | 97.2% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 46,847 psi | 78% | 2329 fps | 99.2% |
| Winchester 748 | <<locked>> | 90% | 51,938 psi | 86% | 2418 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 94% | 54,375 psi | 90% | 2444 fps | 99.9% |
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% | 39,856 psi | 66% | 2146 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 43,076 psi | 72% | 2231 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 32,445 psi | 54% | 2073 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 38,493 psi | 64% | 2195 fps | 99.6% |
| Accurate 4064 | <<locked>> | 80% | 30,719 psi | 51% | 2060 fps | 99% |
| Accurate 4350 | <<locked>> | 96% | 37,275 psi | 62% | 2247 fps | 95.8% |
| Accurate LT-30 | <<locked>> | 80% | 48,225 psi | 80% | 2211 fps | 100% |
| Accurate LT-32 | <<locked>> | 80% | 48,602 psi | 81% | 2228 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 36,564 psi | 61% | 2152 fps | 96.8% |
| ADI AR 2208 | <<locked>> | 84% | 35,404 psi | 59% | 2113 fps | 95.6% |
| ADI AR 2219 | <<locked>> | 80% | 47,834 psi | 79% | 2310 fps | 100% |
| ADI Benchmark 8208 | <<locked>> | 80% | 38,537 psi | 64% | 2165 fps | 98.4% |
| Alliant AR-Comp | <<locked>> | 80% | 37,275 psi | 62% | 2169 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 44,353 psi | 74% | 2326 fps | 99.1% |
| Alliant Power Pro 2000-MR | 38.3 gr | 84% | 37,594 psi | 62% | 2254 fps | 95.8% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 30,153 psi | 50% | 2044 fps | 95.8% |
| Alliant Reloder-10x | <<locked>> | 80% | 45,368 psi | 75% | 2228 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 34,809 psi | 58% | 2139 fps | 95.7% |
| Alliant Reloder-16 | <<locked>> | 94% | 36,230 psi | 60% | 2208 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 86% | 31,734 psi | 53% | 2139 fps | 95.2% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 47,007 psi | 78% | 2215 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 35,346 psi | 59% | 2146 fps | 95.1% |
| Bofors RP3 | <<locked>> | 80% | 29,283 psi | 49% | 2041 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 40,756 psi | 68% | 2162 fps | 99.2% |
| Hodgdon BL-C2 | <<locked>> | 80% | 36,274 psi | 60% | 2175 fps | 98.5% |
| Hodgdon CFE223 | 37.3 gr | 80% | 39,958 psi | 66% | 2283 fps | 97.2% |
| Hodgdon H322 | <<locked>> | 80% | 43,990 psi | 73% | 2254 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 44,585 psi | 74% | 2277 fps | 100% |
| Hodgdon H380 | <<locked>> | 88% | 39,726 psi | 66% | 2224 fps | 95.7% |
| Hodgdon H4895 | <<locked>> | 80% | 36,767 psi | 61% | 2162 fps | 97.5% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 31,198 psi | 52% | 2077 fps | 95.1% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 32,750 psi | 54% | 2126 fps | 96.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,541 psi | 42% | 1260 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 35,491 psi | 59% | 2123 fps | 97% |
| IMR 3031 | <<locked>> | 80% | 35,694 psi | 59% | 2169 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 32,706 psi | 54% | 2054 fps | 95% |
| IMR 4166 Enduron | <<locked>> | 90% | 48,341 psi | 80% | 2290 fps | 95.2% |
| IMR 4198 | <<locked>> | 80% | 46,209 psi | 77% | 2198 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 50,024 psi | 83% | 2349 fps | 95.5% |
| IMR 4831 | <<locked>> | 96% | 36,201 psi | 60% | 2205 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 33,243 psi | 55% | 2116 fps | 95.9% |
| IMR 8208 XBR | <<locked>> | 80% | 38,537 psi | 64% | 2165 fps | 98.4% |
| Lovex D073.5 | <<locked>> | 80% | 42,888 psi | 71% | 2234 fps | 99.6% |
| Lovex D073.6 | <<locked>> | 80% | 34,780 psi | 58% | 2136 fps | 99% |
| Lovex S060 | <<locked>> | 80% | 37,623 psi | 63% | 2106 fps | 97.1% |
| Lovex S062 | <<locked>> | 80% | 32,387 psi | 54% | 2060 fps | 97% |
| Lovex S065 | <<locked>> | 96% | 43,163 psi | 72% | 2257 fps | 95.6% |
| Norma 200 | <<locked>> | 80% | 51,155 psi | 85% | 2280 fps | 100% |
| Norma 201 | <<locked>> | 80% | 36,027 psi | 60% | 2119 fps | 98% |
| Norma 202 | <<locked>> | 80% | 35,998 psi | 60% | 2133 fps | 99.6% |
| Norma 203B | <<locked>> | 80% | 31,981 psi | 53% | 2083 fps | 95.4% |
| Norma URP | <<locked>> | 94% | 35,969 psi | 60% | 2205 fps | 95% |
| Ramshot Big Game | <<locked>> | 82% | 33,692 psi | 56% | 2136 fps | 95.6% |
| Ramshot TAC | <<locked>> | 82% | 40,944 psi | 68% | 2205 fps | 95.2% |
| Ramshot Wild Boar | <<locked>> | 80% | 37,492 psi | 62% | 2182 fps | 97% |
| Ramshot X-Terminator | <<locked>> | 80% | 41,742 psi | 69% | 2205 fps | 97.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,947 psi | 43% | 1293 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 43,323 psi | 72% | 2241 fps | 99.8% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 45,788 psi | 76% | 2297 fps | 95.4% |
| ReloadSwiss RS 52 | 35.3 gr | 80% | 33,330 psi | 55% | 2162 fps | 95.1% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 27,934 psi | 46% | 2051 fps | 96.1% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 37,405 psi | 62% | 2260 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 41,321 psi | 69% | 2316 fps | 95.1% |
| Rottweil R 901 | <<locked>> | 80% | 39,639 psi | 66% | 2162 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 80% | 34,258 psi | 57% | 2077 fps | 97.5% |
| Rottweil R 903 | <<locked>> | 82% | 29,472 psi | 49% | 2037 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 96% | 43,163 psi | 72% | 2257 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 34,780 psi | 58% | 2136 fps | 99% |
| Shooters World Precision | <<locked>> | 80% | 32,387 psi | 54% | 2060 fps | 97% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 45,600 psi | 76% | 2247 fps | 99.3% |
| SNPE Vectan SP 10 | <<locked>> | 80% | 48,457 psi | 81% | 2323 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 32,851 psi | 55% | 2123 fps | 95.4% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 46,151 psi | 77% | 2244 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 38,725 psi | 64% | 2178 fps | 95.3% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 35,056 psi | 58% | 2123 fps | 96.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,811 psi | 63% | 2090 fps | 99.7% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,908 psi | 51% | 1982 fps | 99.3% |
| Somchem S321 | <<locked>> | 80% | 41,089 psi | 68% | 2231 fps | 99.1% |
| Somchem S335 | <<locked>> | 80% | 37,173 psi | 62% | 2096 fps | 99.9% |
| Somchem S341 | <<locked>> | 80% | 35,897 psi | 60% | 2136 fps | 96.5% |
| Somchem S355 | <<locked>> | 82% | 30,661 psi | 51% | 2047 fps | 95.4% |
| Somchem S365 | <<locked>> | 90% | 28,326 psi | 47% | 2067 fps | 95.5% |
| Vihtavuori N130 | <<locked>> | 80% | 42,946 psi | 71% | 2152 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 37,840 psi | 63% | 2093 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 33,054 psi | 55% | 2077 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 33,779 psi | 56% | 2073 fps | 99.4% |
| Vihtavuori N150 | <<locked>> | 80% | 27,137 psi | 45% | 1952 fps | 95.6% |
| Vihtavuori N160 | <<locked>> | 94% | 37,768 psi | 63% | 2205 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 38,421 psi | 64% | 2159 fps | 98.5% |
| Vihtavuori N540 | <<locked>> | 80% | 32,619 psi | 54% | 2070 fps | 98.9% |
| Vihtavuori N550 | <<locked>> | 94% | 36,825 psi | 61% | 2208 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 31,850 psi | 53% | 2057 fps | 95.3% |
| Winchester 748 | <<locked>> | 80% | 37,115 psi | 62% | 2195 fps | 99% |
| Winchester StaBALL Match | <<locked>> | 80% | 34,214 psi | 57% | 2126 fps | 96.8% |
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 110 powders for .308 Win. loaded with the .308 | 201gr | RWS UNI Classic. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,533 fps; across all powders the maximum-charge window runs from 1,414 fps to 2,533 fps. Accurate 4350 gives the best case fill at 100 %, and 110 of the 110 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (415 MPa), the top charges use 51–90 %, 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 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, Hodgdon CFE223, ReloadSwiss RS 52 rank at the top here: for .308 Win. 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, Alliant Reloder-23, Alliant Reloder-26, Hodgdon H4350 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.