
Load Specifications
Load data in caliber 7.62 x 53 R Fin. with .308 | 180gr | Nosler Ballistic Silver Tip bullet and 96 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Power Pro 2000-MR 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.
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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% | 50,517 psi | 89% | 2556 fps | 100% |
| Accurate 2460 | <<locked>> | 82% | 48,907 psi | 86% | 2579 fps | 100% |
| Accurate 2495 | <<locked>> | 92% | 50,981 psi | 90% | 2615 fps | 100% |
| Accurate 2520 | <<locked>> | 86% | 50,183 psi | 89% | 2635 fps | 100% |
| Accurate 4064 | <<locked>> | 94% | 50,850 psi | 90% | 2657 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 46,354 psi | 82% | 2667 fps | 98.5% |
| ADI AR 2206H | <<locked>> | 88% | 49,487 psi | 87% | 2641 fps | 99.5% |
| ADI AR 2208 | <<locked>> | 94% | 50,618 psi | 89% | 2641 fps | 99.3% |
| ADI Benchmark 8208 | <<locked>> | 86% | 48,907 psi | 86% | 2598 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 86% | 48,472 psi | 86% | 2585 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 82% | 50,154 psi | 89% | 2694 fps | 99.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 90% | 48,559 psi | 86% | 2740 fps | 99.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 94% | 49,763 psi | 88% | 2661 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 82% | 50,647 psi | 90% | 2562 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 50,343 psi | 89% | 2677 fps | 99.4% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 46,006 psi | 81% | 2671 fps | 98.6% |
| Alliant Reloder-17 | <<locked>> | 98% | 49,922 psi | 88% | 2766 fps | 99.9% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 32,605 psi | 58% | 2418 fps | 96.2% |
| Baschieri & Pellagri 107 | <<locked>> | 88% | 48,936 psi | 87% | 2654 fps | 98.9% |
| Bofors RP3 | <<locked>> | 94% | 49,879 psi | 88% | 2674 fps | 99.9% |
| Bofors RP7 | <<locked>> | 98% | 50,705 psi | 90% | 2631 fps | 95.9% |
| Hodgdon Benchmark | <<locked>> | 84% | 48,254 psi | 85% | 2546 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 50,618 psi | 89% | 2677 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 84% | 48,704 psi | 86% | 2707 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 82% | 49,545 psi | 88% | 2602 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 50,125 psi | 89% | 2621 fps | 100% |
| Hodgdon H380 | <<locked>> | 92% | 47,848 psi | 85% | 2628 fps | 98.2% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 49,951 psi | 88% | 2717 fps | 96.6% |
| Hodgdon H4895 | <<locked>> | 88% | 49,951 psi | 88% | 2654 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 42,177 psi | 75% | 2559 fps | 99% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 48,240 psi | 85% | 2677 fps | 99.9% |
| Hodgdon Superformanceᴾ | <<locked>> | 100% | 51,097 psi | 90% | 2743 fps | 96% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,664 psi | 61% | 1598 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 48,254 psi | 85% | 2608 fps | 99.6% |
| IMR 3031 | <<locked>> | 88% | 49,081 psi | 87% | 2638 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 50,067 psi | 89% | 2625 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 90% | 50,763 psi | 90% | 2602 fps | 96.5% |
| IMR 4451 Enduron | <<locked>> | 96% | 49,879 psi | 88% | 2621 fps | 96.2% |
| IMR 4831ᴾ | <<locked>> | 100% | 44,106 psi | 78% | 2612 fps | 98.1% |
| IMR 4895 | <<locked>> | 90% | 48,486 psi | 86% | 2661 fps | 99.5% |
| IMR 8208 XBR | <<locked>> | 86% | 48,907 psi | 86% | 2598 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 82% | 48,588 psi | 86% | 2585 fps | 100% |
| Lovex D073.6 | <<locked>> | 88% | 48,443 psi | 86% | 2621 fps | 100% |
| Lovex S060 | <<locked>> | 88% | 49,966 psi | 88% | 2579 fps | 99.5% |
| Lovex S062 | <<locked>> | 92% | 49,588 psi | 88% | 2625 fps | 100% |
| Lovex S065 | <<locked>> | 98% | 48,631 psi | 86% | 2615 fps | 97.5% |
| Lovex S070ᴾ | <<locked>> | 100% | 48,863 psi | 86% | 2638 fps | 96.5% |
| Norma 201 | <<locked>> | 88% | 48,631 psi | 86% | 2595 fps | 99.9% |
| Norma 202 | <<locked>> | 88% | 48,747 psi | 86% | 2602 fps | 100% |
| Norma 203B | <<locked>> | 92% | 49,516 psi | 88% | 2667 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 46,209 psi | 82% | 2661 fps | 98.4% |
| Ramshot Big Game | <<locked>> | 92% | 49,792 psi | 88% | 2690 fps | 99.5% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 45,643 psi | 81% | 2651 fps | 96.5% |
| Ramshot TAC | <<locked>> | 86% | 49,197 psi | 87% | 2612 fps | 97.8% |
| Ramshot Wild Boar | <<locked>> | 86% | 48,312 psi | 85% | 2631 fps | 99.4% |
| Ramshot X-Terminator | <<locked>> | 84% | 50,125 psi | 89% | 2605 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,186 psi | 62% | 1640 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 48,559 psi | 86% | 2585 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 92% | 48,675 psi | 86% | 2612 fps | 96.8% |
| ReloadSwiss RS 52 | <<locked>> | 90% | 49,908 psi | 88% | 2736 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 96% | 49,748 psi | 88% | 2769 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 46,064 psi | 81% | 2687 fps | 98.2% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 47,079 psi | 83% | 2703 fps | 97.7% |
| Rottweil R 901 | <<locked>> | 86% | 49,893 psi | 88% | 2585 fps | 100% |
| Rottweil R 902 | <<locked>> | 90% | 48,863 psi | 86% | 2592 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 96% | 49,400 psi | 87% | 2661 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 98% | 50,705 psi | 90% | 2631 fps | 95.9% |
| Shooters World Long Rifle | <<locked>> | 98% | 48,631 psi | 86% | 2615 fps | 97.5% |
| Shooters World Match Rifle | <<locked>> | 88% | 48,443 psi | 86% | 2621 fps | 100% |
| Shooters World Precision | <<locked>> | 92% | 49,588 psi | 88% | 2625 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 48,863 psi | 86% | 2638 fps | 96.5% |
| SNPE Vectan SP 11 | <<locked>> | 94% | 48,066 psi | 85% | 2671 fps | 99.4% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 50,285 psi | 89% | 2635 fps | 98.4% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 51,082 psi | 90% | 2664 fps | 99.7% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 50,444 psi | 89% | 2543 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 94% | 50,111 psi | 89% | 2543 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 48,733 psi | 86% | 2566 fps | 96.1% |
| Somchem S321 | <<locked>> | 84% | 49,617 psi | 88% | 2631 fps | 100% |
| Somchem S335 | <<locked>> | 88% | 49,763 psi | 88% | 2546 fps | 100% |
| Somchem S341 | <<locked>> | 88% | 49,980 psi | 88% | 2631 fps | 99.5% |
| Somchem S355 | <<locked>> | 96% | 50,314 psi | 89% | 2661 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 41,234 psi | 73% | 2615 fps | 99.7% |
| Vihtavuori N130 | <<locked>> | 84% | 50,444 psi | 89% | 2513 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 50,459 psi | 89% | 2530 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 50,966 psi | 90% | 2605 fps | 100% |
| Vihtavuori N140 | <<locked>> | 90% | 49,037 psi | 87% | 2579 fps | 100% |
| Vihtavuori N150 | <<locked>> | 96% | 48,370 psi | 86% | 2598 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 48,892 psi | 86% | 2661 fps | 98.6% |
| Vihtavuori N530 | <<locked>> | 86% | 49,255 psi | 87% | 2598 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 92% | 50,401 psi | 89% | 2621 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 47,616 psi | 84% | 2664 fps | 98.3% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 34,403 psi | 61% | 2490 fps | 96.3% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 49,980 psi | 88% | 2648 fps | 99.8% |
| Winchester 748 | <<locked>> | 86% | 48,167 psi | 85% | 2641 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 49,951 psi | 88% | 2717 fps | 96.6% |
| Winchester StaBALL Match | <<locked>> | 90% | 50,647 psi | 90% | 2671 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% | 42,206 psi | 75% | 2434 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 45,614 psi | 81% | 2530 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 34,505 psi | 61% | 2356 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 40,857 psi | 72% | 2490 fps | 99.9% |
| Accurate 4064 | <<locked>> | 80% | 32,605 psi | 58% | 2343 fps | 99.6% |
| Accurate 4350 | <<locked>> | 92% | 34,896 psi | 62% | 2454 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 38,595 psi | 68% | 2448 fps | 97.9% |
| ADI AR 2208 | <<locked>> | 80% | 32,880 psi | 58% | 2306 fps | 95.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 40,611 psi | 72% | 2461 fps | 99.2% |
| Alliant AR-Comp | <<locked>> | 80% | 39,711 psi | 70% | 2454 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 46,963 psi | 83% | 2644 fps | 99.6% |
| Alliant Power Pro 2000-MR | 42.8 gr | 80% | 34,708 psi | 61% | 2454 fps | 95.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 31,836 psi | 56% | 2326 fps | 97% |
| Alliant Reloder-10x | <<locked>> | 80% | 47,471 psi | 84% | 2520 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 34,519 psi | 61% | 2382 fps | 96.2% |
| Alliant Reloder-16 | <<locked>> | 90% | 34,258 psi | 61% | 2425 fps | 95.1% |
| Alliant Reloder-17 | 44.3 gr | 84% | 31,517 psi | 56% | 2388 fps | 96% |
| Alliant Reloder-23 | <<locked>> | 98% | 30,734 psi | 54% | 2369 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 37,507 psi | 66% | 2448 fps | 96.5% |
| Bofors RP3 | <<locked>> | 80% | 31,140 psi | 55% | 2323 fps | 96.9% |
| Bofors RP7 | <<locked>> | 96% | 47,935 psi | 85% | 2589 fps | 95.2% |
| Hodgdon Benchmark | <<locked>> | 80% | 42,670 psi | 75% | 2454 fps | 99.7% |
| Hodgdon BL-C2 | <<locked>> | 80% | 38,638 psi | 68% | 2474 fps | 99.3% |
| Hodgdon CFE223 | <<locked>> | 80% | 42,351 psi | 75% | 2598 fps | 98.3% |
| Hodgdon H322 | <<locked>> | 80% | 46,412 psi | 82% | 2556 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 47,079 psi | 83% | 2579 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 36,840 psi | 65% | 2428 fps | 95.5% |
| Hodgdon H414 | <<locked>> | 96% | 43,743 psi | 77% | 2612 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 38,856 psi | 69% | 2457 fps | 98.4% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 29,269 psi | 52% | 2274 fps | 95% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 34,766 psi | 61% | 2425 fps | 97.9% |
| Hodgdon Superformance | <<locked>> | 98% | 47,645 psi | 84% | 2687 fps | 95.1% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,701 psi | 45% | 1427 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,492 psi | 66% | 2415 fps | 98.1% |
| IMR 3031 | <<locked>> | 80% | 37,985 psi | 67% | 2464 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 34,418 psi | 61% | 2336 fps | 96.2% |
| IMR 4166 Enduron | <<locked>> | 86% | 44,643 psi | 79% | 2500 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 94% | 46,920 psi | 83% | 2572 fps | 95.6% |
| IMR 4831 | <<locked>> | 92% | 34,055 psi | 60% | 2415 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 35,273 psi | 62% | 2411 fps | 97.2% |
| IMR 8208 XBR | <<locked>> | 80% | 40,611 psi | 72% | 2461 fps | 99.2% |
| Lovex D073.5 | <<locked>> | 80% | 45,324 psi | 80% | 2536 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 36,898 psi | 65% | 2428 fps | 99.6% |
| Lovex S060 | <<locked>> | 80% | 39,305 psi | 69% | 2395 fps | 98% |
| Lovex S062 | <<locked>> | 80% | 34,171 psi | 60% | 2346 fps | 98% |
| Lovex S065 | <<locked>> | 92% | 40,364 psi | 71% | 2470 fps | 95.6% |
| Lovex S070 | <<locked>> | 96% | 43,163 psi | 76% | 2539 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 37,797 psi | 67% | 2405 fps | 98.8% |
| Norma 202 | <<locked>> | 80% | 37,811 psi | 67% | 2418 fps | 99.9% |
| Norma 203B | <<locked>> | 80% | 33,881 psi | 60% | 2372 fps | 96.7% |
| Norma URP | <<locked>> | 92% | 35,824 psi | 63% | 2461 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 33,257 psi | 59% | 2379 fps | 96.1% |
| Ramshot Hunter | <<locked>> | 98% | 42,946 psi | 76% | 2602 fps | 95.7% |
| Ramshot TAC | <<locked>> | 80% | 40,582 psi | 72% | 2461 fps | 95.8% |
| Ramshot Wild Boar | <<locked>> | 80% | 39,668 psi | 70% | 2480 fps | 98.1% |
| Ramshot X-Terminator | <<locked>> | 80% | 43,874 psi | 78% | 2503 fps | 98.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,020 psi | 46% | 1463 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 45,571 psi | 81% | 2539 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 42,801 psi | 76% | 2513 fps | 95.4% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 35,491 psi | 63% | 2470 fps | 96.6% |
| ReloadSwiss RS 60 | 42.2 gr | 80% | 29,544 psi | 52% | 2346 fps | 97.7% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 35,085 psi | 62% | 2470 fps | 95.1% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 38,609 psi | 68% | 2536 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 41,698 psi | 74% | 2454 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 36,143 psi | 64% | 2365 fps | 98.4% |
| Rottweil R 903 | <<locked>> | 80% | 29,443 psi | 52% | 2274 fps | 95.9% |
| Rottweil R 907 | <<locked>> | 96% | 47,935 psi | 85% | 2589 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 92% | 40,364 psi | 71% | 2470 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 36,898 psi | 65% | 2428 fps | 99.6% |
| Shooters World Precision | <<locked>> | 80% | 34,171 psi | 60% | 2346 fps | 98% |
| Shooters World SW4350 | <<locked>> | 96% | 43,163 psi | 76% | 2539 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 30,574 psi | 54% | 2316 fps | 95.1% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 38,348 psi | 68% | 2428 fps | 95.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 37,086 psi | 66% | 2418 fps | 97.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 39,479 psi | 70% | 2372 fps | 99.9% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 32,430 psi | 57% | 2247 fps | 99.8% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 45,571 psi | 81% | 2516 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 43,598 psi | 77% | 2536 fps | 99.7% |
| Somchem S335 | <<locked>> | 80% | 38,928 psi | 69% | 2375 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 38,189 psi | 68% | 2431 fps | 97.7% |
| Somchem S355 | <<locked>> | 80% | 30,472 psi | 54% | 2283 fps | 96% |
| Somchem S365 | <<locked>> | 86% | 26,614 psi | 47% | 2260 fps | 95.4% |
| Vihtavuori N130 | <<locked>> | 80% | 44,759 psi | 79% | 2431 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 39,610 psi | 70% | 2369 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 34,896 psi | 62% | 2352 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 35,911 psi | 63% | 2362 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 80% | 28,993 psi | 51% | 2228 fps | 96.9% |
| Vihtavuori N160 | <<locked>> | 90% | 35,346 psi | 62% | 2411 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 40,364 psi | 71% | 2451 fps | 99.2% |
| Vihtavuori N540 | <<locked>> | 80% | 34,461 psi | 61% | 2349 fps | 99.5% |
| Vihtavuori N550 | <<locked>> | 90% | 34,534 psi | 61% | 2415 fps | 95% |
| Vihtavuori N555 | <<locked>> | 98% | 32,271 psi | 57% | 2438 fps | 95.4% |
| Winchester 6.5 StaBALL | <<locked>> | 84% | 29,617 psi | 52% | 2247 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 39,508 psi | 70% | 2497 fps | 99.6% |
| Winchester 760 | <<locked>> | 96% | 44,063 psi | 78% | 2615 fps | 95.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 36,274 psi | 64% | 2421 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 96 powders for 7.62 x 53 R Fin. loaded with the .308 | 180gr | Nosler Ballistic Silver Tip. ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,769 fps; across all powders the maximum-charge window runs from 1,598 fps to 2,769 fps. Accurate 4350 gives the best case fill at 100 %, and 96 of the 96 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 180.0 gr projectile in 0.308" calls for a 1:12.0 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. ReloadSwiss RS 60, Alliant Power Pro 2000-MR, Alliant Reloder-17 rank at the top here: for 7.62 x 53 R Fin. with the .308 | 180gr | Nosler Ballistic Silver Tip 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.