Load Specifications
Load data in caliber 7.62 x 53 R Fin. with .308 | 185gr | Berger Hybrid Target bullet and 95 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 Alliant Reloder-17.
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: 27"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 86% | 51,068 psi | 90% | 2520 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 49,197 psi | 87% | 2543 fps | 100% |
| Accurate 2495 | <<locked>> | 90% | 48,428 psi | 86% | 2539 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 50,633 psi | 90% | 2602 fps | 100% |
| Accurate 4064 | <<locked>> | 92% | 48,443 psi | 86% | 2582 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 46,702 psi | 83% | 2635 fps | 98.7% |
| ADI AR 2206H | <<locked>> | 88% | 50,154 psi | 89% | 2612 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 94% | 50,981 psi | 90% | 2608 fps | 99.4% |
| ADI Benchmark 8208 | <<locked>> | 86% | 49,487 psi | 87% | 2569 fps | 100% |
| Alliant AR-Comp | <<locked>> | 86% | 49,066 psi | 87% | 2549 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 50,705 psi | 90% | 2661 fps | 99.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 49,037 psi | 87% | 2707 fps | 99.3% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 50,227 psi | 89% | 2628 fps | 100% |
| Alliant Reloder-10x | <<locked>> | 82% | 51,068 psi | 90% | 2526 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 51,097 psi | 90% | 2648 fps | 99.6% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 46,485 psi | 82% | 2641 fps | 98.8% |
| Alliant Reloder-17 | <<locked>> | 98% | 50,241 psi | 89% | 2733 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 32,982 psi | 58% | 2395 fps | 96.7% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 49,400 psi | 87% | 2621 fps | 99.1% |
| Bofors RP3 | <<locked>> | 94% | 50,415 psi | 89% | 2641 fps | 100% |
| Bofors RP7 | <<locked>> | 98% | 51,184 psi | 90% | 2602 fps | 96.2% |
| Hodgdon Benchmark | <<locked>> | 84% | 48,733 psi | 86% | 2513 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 51,155 psi | 90% | 2641 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 49,472 psi | 87% | 2680 fps | 99.5% |
| Hodgdon H322 | <<locked>> | 82% | 50,053 psi | 88% | 2566 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 50,792 psi | 90% | 2592 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 48,646 psi | 86% | 2602 fps | 98.5% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 50,285 psi | 89% | 2684 fps | 96.9% |
| Hodgdon H4895 | <<locked>> | 88% | 50,560 psi | 89% | 2621 fps | 99.9% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 42,656 psi | 75% | 2530 fps | 99.2% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 49,008 psi | 87% | 2651 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,737 psi | 61% | 1572 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 48,544 psi | 86% | 2575 fps | 99.7% |
| IMR 3031 | <<locked>> | 88% | 49,748 psi | 88% | 2605 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 50,415 psi | 89% | 2589 fps | 99.5% |
| IMR 4166 Enduron | <<locked>> | 90% | 51,082 psi | 90% | 2569 fps | 96.8% |
| IMR 4451 Enduron | <<locked>> | 96% | 50,299 psi | 89% | 2589 fps | 96.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 44,730 psi | 79% | 2582 fps | 98.4% |
| IMR 4895 | <<locked>> | 90% | 49,168 psi | 87% | 2631 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 86% | 49,487 psi | 87% | 2569 fps | 100% |
| Lovex D073.5 | <<locked>> | 82% | 49,255 psi | 87% | 2556 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 48,849 psi | 86% | 2589 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 50,473 psi | 89% | 2546 fps | 99.7% |
| Lovex S062 | <<locked>> | 92% | 49,922 psi | 88% | 2589 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 49,110 psi | 87% | 2582 fps | 97.8% |
| Lovex S070ᴾ | <<locked>> | 100% | 49,458 psi | 87% | 2608 fps | 96.9% |
| Norma 201 | <<locked>> | 88% | 48,892 psi | 86% | 2559 fps | 100% |
| Norma 202 | <<locked>> | 88% | 49,356 psi | 87% | 2569 fps | 100% |
| Norma 203B | <<locked>> | 92% | 50,270 psi | 89% | 2638 fps | 99.7% |
| Norma URPᴾ | <<locked>> | 100% | 46,775 psi | 83% | 2631 fps | 98.6% |
| Ramshot Big Game | <<locked>> | 92% | 50,067 psi | 89% | 2654 fps | 99.7% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 46,267 psi | 82% | 2625 fps | 96.9% |
| Ramshot TAC | <<locked>> | 86% | 49,588 psi | 88% | 2579 fps | 98% |
| Ramshot Wild Boar | <<locked>> | 86% | 48,747 psi | 86% | 2598 fps | 99.6% |
| Ramshot X-Terminator | <<locked>> | 84% | 50,430 psi | 89% | 2569 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,027 psi | 62% | 1611 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 49,037 psi | 87% | 2552 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 49,182 psi | 87% | 2582 fps | 97.1% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 50,473 psi | 89% | 2703 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 50,357 psi | 89% | 2740 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 46,514 psi | 82% | 2657 fps | 98.5% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 47,732 psi | 84% | 2680 fps | 98.1% |
| Rottweil R 901 | <<locked>> | 86% | 50,415 psi | 89% | 2549 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 49,501 psi | 88% | 2559 fps | 100% |
| Rottweil R 903 | <<locked>> | 96% | 49,922 psi | 88% | 2628 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 98% | 51,184 psi | 90% | 2602 fps | 96.2% |
| Shooters World Long Rifle | <<locked>> | 98% | 49,110 psi | 87% | 2582 fps | 97.8% |
| Shooters World Match Rifle | <<locked>> | 88% | 48,849 psi | 86% | 2589 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 49,922 psi | 88% | 2589 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 49,458 psi | 87% | 2608 fps | 96.9% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 48,617 psi | 86% | 2641 fps | 99.6% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 51,111 psi | 90% | 2608 fps | 98.7% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 48,457 psi | 86% | 2582 fps | 99.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 50,995 psi | 90% | 2510 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 50,473 psi | 89% | 2507 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 49,023 psi | 87% | 2533 fps | 96.4% |
| Somchem S321 | <<locked>> | 84% | 50,328 psi | 89% | 2602 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 50,038 psi | 88% | 2510 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 50,444 psi | 89% | 2598 fps | 99.7% |
| Somchem S355 | <<locked>> | 96% | 50,807 psi | 90% | 2628 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 41,756 psi | 74% | 2585 fps | 99.9% |
| Vihtavuori N130 | <<locked>> | 84% | 50,865 psi | 90% | 2477 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 51,010 psi | 90% | 2497 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 48,356 psi | 85% | 2530 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 49,676 psi | 88% | 2546 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 48,849 psi | 86% | 2566 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 49,182 psi | 87% | 2625 fps | 98.8% |
| Vihtavuori N530 | <<locked>> | 86% | 49,893 psi | 88% | 2569 fps | 100% |
| Vihtavuori N540 | <<locked>> | 92% | 51,111 psi | 90% | 2592 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 48,254 psi | 85% | 2635 fps | 98.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 34,882 psi | 62% | 2464 fps | 96.7% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 50,328 psi | 89% | 2615 fps | 99.9% |
| Winchester 748 | <<locked>> | 86% | 48,936 psi | 87% | 2612 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 50,647 psi | 90% | 2690 fps | 97% |
| Winchester StaBALL Match | <<locked>> | 90% | 51,140 psi | 90% | 2638 fps | 99.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 27"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 42,554 psi | 75% | 2398 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 46,137 psi | 82% | 2497 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 34,867 psi | 62% | 2323 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 41,423 psi | 73% | 2461 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 33,011 psi | 58% | 2316 fps | 99.7% |
| Accurate 4350 | <<locked>> | 90% | 33,170 psi | 59% | 2382 fps | 95.4% |
| ADI AR 2206H | <<locked>> | 80% | 38,986 psi | 69% | 2418 fps | 98.2% |
| ADI AR 2208 | <<locked>> | 80% | 33,141 psi | 59% | 2280 fps | 95.7% |
| ADI Benchmark 8208 | <<locked>> | 80% | 40,988 psi | 72% | 2428 fps | 99.3% |
| Alliant AR-Comp | <<locked>> | 80% | 40,176 psi | 71% | 2421 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 47,471 psi | 84% | 2612 fps | 99.8% |
| Alliant Power Pro 2000-MR | 42.3 gr | 80% | 35,114 psi | 62% | 2431 fps | 96% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 32,430 psi | 57% | 2303 fps | 97.4% |
| Alliant Reloder-10x | <<locked>> | 80% | 48,167 psi | 85% | 2487 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 34,882 psi | 62% | 2356 fps | 96.6% |
| Alliant Reloder-16 | <<locked>> | 90% | 34,476 psi | 61% | 2395 fps | 95.5% |
| Alliant Reloder-17 | 42.7 gr | 82% | 29,878 psi | 53% | 2310 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 98% | 31,053 psi | 55% | 2346 fps | 95.9% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 37,753 psi | 67% | 2415 fps | 96.8% |
| Bofors RP3 | <<locked>> | 80% | 31,531 psi | 56% | 2300 fps | 97.3% |
| Bofors RP7 | <<locked>> | 96% | 48,341 psi | 85% | 2556 fps | 95.6% |
| Hodgdon Benchmark | <<locked>> | 80% | 43,047 psi | 76% | 2421 fps | 99.8% |
| Hodgdon BL-C2 | <<locked>> | 80% | 39,131 psi | 69% | 2448 fps | 99.5% |
| Hodgdon CFE223 | <<locked>> | 80% | 42,931 psi | 76% | 2569 fps | 98.6% |
| Hodgdon H322 | <<locked>> | 80% | 46,905 psi | 83% | 2520 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 47,355 psi | 84% | 2543 fps | 100% |
| Hodgdon H380 | <<locked>> | 82% | 34,998 psi | 62% | 2352 fps | 95.2% |
| Hodgdon H414 | <<locked>> | 96% | 44,280 psi | 78% | 2582 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 39,247 psi | 69% | 2428 fps | 98.7% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 29,631 psi | 52% | 2254 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 35,201 psi | 62% | 2398 fps | 98.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,933 psi | 46% | 1404 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,884 psi | 67% | 2388 fps | 98.3% |
| IMR 3031 | <<locked>> | 80% | 38,421 psi | 68% | 2431 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 34,737 psi | 61% | 2310 fps | 96.6% |
| IMR 4166 Enduron | <<locked>> | 86% | 45,165 psi | 80% | 2474 fps | 95.5% |
| IMR 4451 Enduron | <<locked>> | 92% | 44,469 psi | 79% | 2493 fps | 95.2% |
| IMR 4831 | <<locked>> | 90% | 32,503 psi | 57% | 2346 fps | 95.1% |
| IMR 4895 | <<locked>> | 80% | 35,665 psi | 63% | 2385 fps | 97.5% |
| IMR 8208 XBR | <<locked>> | 80% | 40,988 psi | 72% | 2428 fps | 99.3% |
| Lovex D073.5 | <<locked>> | 80% | 45,934 psi | 81% | 2507 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 37,362 psi | 66% | 2398 fps | 99.8% |
| Lovex S060 | <<locked>> | 80% | 39,595 psi | 70% | 2362 fps | 98.3% |
| Lovex S062 | <<locked>> | 80% | 34,505 psi | 61% | 2316 fps | 98.3% |
| Lovex S065 | <<locked>> | 90% | 38,508 psi | 68% | 2395 fps | 95.3% |
| Lovex S070 | <<locked>> | 96% | 43,584 psi | 77% | 2513 fps | 95.5% |
| Norma 201 | <<locked>> | 80% | 38,145 psi | 67% | 2375 fps | 99% |
| Norma 202 | <<locked>> | 80% | 38,406 psi | 68% | 2392 fps | 100% |
| Norma 203B | <<locked>> | 80% | 34,258 psi | 61% | 2346 fps | 97% |
| Norma URP | <<locked>> | 90% | 34,127 psi | 60% | 2385 fps | 95.4% |
| Ramshot Big Game | <<locked>> | 80% | 33,678 psi | 60% | 2352 fps | 96.6% |
| Ramshot Hunter | <<locked>> | 96% | 40,625 psi | 72% | 2520 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 40,814 psi | 72% | 2428 fps | 96.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 39,900 psi | 71% | 2448 fps | 98.3% |
| Ramshot X-Terminator | <<locked>> | 80% | 44,382 psi | 78% | 2474 fps | 98.9% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,005 psi | 46% | 1437 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 46,050 psi | 81% | 2507 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 40,553 psi | 72% | 2434 fps | 95% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 35,940 psi | 64% | 2441 fps | 97% |
| ReloadSwiss RS 60 | 41.7 gr | 80% | 29,878 psi | 53% | 2323 fps | 98.1% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 35,491 psi | 63% | 2448 fps | 95.6% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 39,030 psi | 69% | 2510 fps | 95.7% |
| Rottweil R 901 | <<locked>> | 80% | 42,003 psi | 74% | 2418 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 36,492 psi | 65% | 2336 fps | 98.7% |
| Rottweil R 903 | <<locked>> | 80% | 29,834 psi | 53% | 2251 fps | 96.3% |
| Rottweil R 907 | <<locked>> | 96% | 48,341 psi | 85% | 2556 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 90% | 38,508 psi | 68% | 2395 fps | 95.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 37,362 psi | 66% | 2398 fps | 99.8% |
| Shooters World Precision | <<locked>> | 80% | 34,505 psi | 61% | 2316 fps | 98.3% |
| Shooters World SW4350 | <<locked>> | 96% | 43,584 psi | 77% | 2513 fps | 95.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 30,937 psi | 55% | 2293 fps | 95.6% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 38,841 psi | 69% | 2402 fps | 96.2% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 37,521 psi | 66% | 2392 fps | 97.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 39,798 psi | 70% | 2339 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,692 psi | 58% | 2218 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 94% | 43,076 psi | 76% | 2441 fps | 95.1% |
| Somchem S321 | <<locked>> | 80% | 43,859 psi | 78% | 2500 fps | 99.8% |
| Somchem S335 | <<locked>> | 80% | 39,262 psi | 69% | 2343 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 38,435 psi | 68% | 2398 fps | 98% |
| Somchem S355 | <<locked>> | 80% | 30,806 psi | 54% | 2257 fps | 96.4% |
| Somchem S365 | <<locked>> | 84% | 25,338 psi | 45% | 2188 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 45,063 psi | 80% | 2398 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 39,914 psi | 71% | 2336 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 35,273 psi | 62% | 2323 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 36,274 psi | 64% | 2333 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 29,298 psi | 52% | 2205 fps | 97.3% |
| Vihtavuori N160 | <<locked>> | 88% | 33,649 psi | 59% | 2339 fps | 95% |
| Vihtavuori N530 | <<locked>> | 80% | 40,785 psi | 72% | 2421 fps | 99.4% |
| Vihtavuori N540 | <<locked>> | 80% | 34,853 psi | 62% | 2323 fps | 99.7% |
| Vihtavuori N550 | <<locked>> | 90% | 34,882 psi | 62% | 2388 fps | 95.4% |
| Vihtavuori N555 | <<locked>> | 96% | 30,676 psi | 54% | 2362 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 29,994 psi | 53% | 2224 fps | 95.7% |
| Winchester 748 | <<locked>> | 80% | 39,987 psi | 71% | 2467 fps | 99.7% |
| Winchester 760 | <<locked>> | 96% | 44,280 psi | 78% | 2582 fps | 95.5% |
| Winchester StaBALL Match | <<locked>> | 80% | 36,738 psi | 65% | 2395 fps | 98.2% |
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 95 powders for 7.62 x 53 R Fin. loaded with the .308 | 185gr | Berger Hybrid Target. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,740 fps; across all powders the maximum-charge window runs from 1,572 fps to 2,740 fps. Accurate 4350 gives the best case fill at 100 %, and 95 of the 95 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 185.0 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-23 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, Alliant Reloder-17 rank at the top here: for 7.62 x 53 R Fin. with the .308 | 185gr | Berger Hybrid Target 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.