Load Specifications
Load data in caliber 7.62 x 53 R Fin. with .308 | 183gr | Peregrine Plainsmaster (VLR-4) bullet and 94 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 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.
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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% | 48,182 psi | 85% | 2497 fps | 100% |
| Accurate 2460 | <<locked>> | 84% | 49,559 psi | 88% | 2559 fps | 100% |
| Accurate 2495 | <<locked>> | 94% | 51,126 psi | 90% | 2592 fps | 100% |
| Accurate 2520 | <<locked>> | 88% | 50,836 psi | 90% | 2615 fps | 100% |
| Accurate 4064 | <<locked>> | 96% | 50,792 psi | 90% | 2628 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 43,279 psi | 77% | 2589 fps | 97.9% |
| ADI AR 2206H | <<locked>> | 90% | 50,212 psi | 89% | 2621 fps | 99.6% |
| ADI AR 2208 | <<locked>> | 94% | 48,182 psi | 85% | 2572 fps | 98.9% |
| ADI Benchmark 8208 | <<locked>> | 88% | 49,937 psi | 88% | 2585 fps | 99.9% |
| Alliant AR-Comp | <<locked>> | 88% | 49,211 psi | 87% | 2566 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 84% | 50,894 psi | 90% | 2674 fps | 99.9% |
| Alliant Power Pro 2000-MR | <<locked>> | 92% | 49,458 psi | 87% | 2720 fps | 99.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 96% | 50,314 psi | 89% | 2638 fps | 99.9% |
| Alliant Reloder-10x | <<locked>> | 82% | 48,211 psi | 85% | 2500 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 92% | 47,964 psi | 85% | 2608 fps | 99.1% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 43,888 psi | 78% | 2598 fps | 98.1% |
| Alliant Reloder-17ᴾ | <<locked>> | 100% | 50,473 psi | 89% | 2740 fps | 99.9% |
| Baschieri & Pellagri 106 | <<locked>> | 82% | 50,633 psi | 90% | 2487 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 90% | 49,647 psi | 88% | 2631 fps | 98.9% |
| Bofors RP3 | <<locked>> | 96% | 50,009 psi | 88% | 2648 fps | 99.9% |
| Hodgdon Benchmark | <<locked>> | 86% | 49,153 psi | 87% | 2530 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 88% | 47,935 psi | 85% | 2605 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 86% | 49,559 psi | 88% | 2690 fps | 99.3% |
| Hodgdon H322 | <<locked>> | 84% | 50,459 psi | 89% | 2582 fps | 100% |
| Hodgdon H335 | <<locked>> | 82% | 47,964 psi | 85% | 2562 fps | 100% |
| Hodgdon H380 | <<locked>> | 94% | 48,733 psi | 86% | 2612 fps | 98.3% |
| Hodgdon H414ᴾ | <<locked>> | 100% | 47,210 psi | 83% | 2638 fps | 95.9% |
| Hodgdon H4895 | <<locked>> | 90% | 50,604 psi | 89% | 2631 fps | 99.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 40,016 psi | 71% | 2490 fps | 98.5% |
| Hodgdon LEVERevolution | <<locked>> | 92% | 49,182 psi | 87% | 2661 fps | 99.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 34,360 psi | 61% | 1568 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 49,081 psi | 87% | 2592 fps | 99.7% |
| IMR 3031 | <<locked>> | 90% | 49,937 psi | 88% | 2621 fps | 100% |
| IMR 4064 | <<locked>> | 94% | 50,691 psi | 90% | 2602 fps | 99.4% |
| IMR 4166 Enduron | <<locked>> | 90% | 48,675 psi | 86% | 2536 fps | 95.9% |
| IMR 4198 | <<locked>> | 82% | 49,327 psi | 87% | 2470 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 98% | 50,531 psi | 89% | 2598 fps | 96.3% |
| IMR 4831ᴾ | <<locked>> | 100% | 41,698 psi | 74% | 2543 fps | 97.6% |
| IMR 4895 | <<locked>> | 92% | 49,124 psi | 87% | 2638 fps | 99.6% |
| IMR 8208 XBR | <<locked>> | 88% | 49,937 psi | 88% | 2585 fps | 99.9% |
| Lovex D073.5 | <<locked>> | 84% | 49,298 psi | 87% | 2566 fps | 100% |
| Lovex D073.6 | <<locked>> | 90% | 48,994 psi | 87% | 2602 fps | 100% |
| Lovex S060 | <<locked>> | 90% | 50,807 psi | 90% | 2559 fps | 99.6% |
| Lovex S062 | <<locked>> | 94% | 49,893 psi | 88% | 2598 fps | 100% |
| Lovex S065ᴾ | <<locked>> | 100% | 48,950 psi | 87% | 2589 fps | 97.5% |
| Lovex S070ᴾ | <<locked>> | 100% | 46,180 psi | 82% | 2562 fps | 95.8% |
| Norma 201 | <<locked>> | 90% | 49,081 psi | 87% | 2572 fps | 99.9% |
| Norma 202 | <<locked>> | 90% | 49,342 psi | 87% | 2579 fps | 100% |
| Norma 203B | <<locked>> | 94% | 50,357 psi | 89% | 2648 fps | 99.6% |
| Norma URPᴾ | <<locked>> | 100% | 43,569 psi | 77% | 2585 fps | 97.8% |
| Ramshot Big Game | <<locked>> | 94% | 50,343 psi | 89% | 2667 fps | 99.5% |
| Ramshot TAC | <<locked>> | 88% | 50,198 psi | 89% | 2595 fps | 97.9% |
| Ramshot Wild Boar | <<locked>> | 88% | 49,240 psi | 87% | 2615 fps | 99.5% |
| Ramshot X-Terminator | <<locked>> | 86% | 51,039 psi | 90% | 2585 fps | 99.5% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 34,548 psi | 61% | 1604 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 84% | 49,429 psi | 87% | 2569 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 94% | 49,443 psi | 87% | 2592 fps | 96.9% |
| ReloadSwiss RS 52 | <<locked>> | 92% | 50,531 psi | 89% | 2713 fps | 99.4% |
| ReloadSwiss RS 60 | <<locked>> | 98% | 50,502 psi | 89% | 2746 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 43,308 psi | 77% | 2608 fps | 97.6% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 44,730 psi | 79% | 2628 fps | 97% |
| Rottweil R 901 | <<locked>> | 88% | 49,908 psi | 88% | 2556 fps | 100% |
| Rottweil R 902 | <<locked>> | 92% | 49,342 psi | 87% | 2569 fps | 99.9% |
| Rottweil R 903 | <<locked>> | 98% | 49,879 psi | 88% | 2638 fps | 99.8% |
| Shooters World Long Rifleᴾ | <<locked>> | 100% | 48,950 psi | 87% | 2589 fps | 97.5% |
| Shooters World Match Rifle | <<locked>> | 90% | 48,994 psi | 87% | 2602 fps | 100% |
| Shooters World Precision | <<locked>> | 94% | 49,893 psi | 88% | 2598 fps | 100% |
| Shooters World SW4350ᴾ | <<locked>> | 100% | 46,180 psi | 82% | 2562 fps | 95.8% |
| Shooters World Tactical Rifle | <<locked>> | 82% | 49,110 psi | 87% | 2536 fps | 99.8% |
| SNPE Vectan SP 11 | <<locked>> | 96% | 48,544 psi | 86% | 2648 fps | 99.4% |
| SNPE Vectan SP 3 | <<locked>> | 82% | 49,197 psi | 87% | 2520 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 88% | 47,993 psi | 85% | 2566 fps | 98% |
| SNPE Vectan SP 9 | <<locked>> | 90% | 48,936 psi | 87% | 2598 fps | 99.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 88% | 48,501 psi | 86% | 2484 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 96% | 50,836 psi | 90% | 2520 fps | 100% |
| SNPE Vectan Tubal 7000ᴾ | <<locked>> | 100% | 49,298 psi | 87% | 2543 fps | 96.1% |
| Somchem S321 | <<locked>> | 86% | 50,763 psi | 90% | 2618 fps | 100% |
| Somchem S335 | <<locked>> | 90% | 50,386 psi | 89% | 2523 fps | 100% |
| Somchem S341 | <<locked>> | 90% | 50,778 psi | 90% | 2612 fps | 99.5% |
| Somchem S355 | <<locked>> | 98% | 50,865 psi | 90% | 2638 fps | 99.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 38,740 psi | 68% | 2539 fps | 99.4% |
| Vihtavuori N130 | <<locked>> | 84% | 48,341 psi | 85% | 2454 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 48,573 psi | 86% | 2474 fps | 100% |
| Vihtavuori N135 | <<locked>> | 92% | 48,443 psi | 86% | 2543 fps | 100% |
| Vihtavuori N140 | <<locked>> | 92% | 49,806 psi | 88% | 2559 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 49,037 psi | 87% | 2575 fps | 100% |
| Vihtavuori N160ᴾ | <<locked>> | 100% | 46,311 psi | 82% | 2589 fps | 98.1% |
| Vihtavuori N530 | <<locked>> | 88% | 50,067 psi | 89% | 2582 fps | 99.9% |
| Vihtavuori N540 | <<locked>> | 92% | 48,138 psi | 85% | 2559 fps | 100% |
| Vihtavuori N550ᴾ | <<locked>> | 100% | 45,034 psi | 80% | 2592 fps | 97.8% |
| Winchester 6.5 StaBALLᴾ | <<locked>> | 100% | 47,369 psi | 84% | 2575 fps | 99.6% |
| Winchester 748 | <<locked>> | 88% | 49,269 psi | 87% | 2625 fps | 100% |
| Winchester 760ᴾ | <<locked>> | 100% | 47,485 psi | 84% | 2644 fps | 95.9% |
| Winchester StaBALL Match | <<locked>> | 90% | 48,138 psi | 85% | 2602 fps | 99.7% |
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% | 39,769 psi | 70% | 2369 fps | 100% |
| Accurate 2460 | <<locked>> | 80% | 43,047 psi | 76% | 2464 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 31,923 psi | 56% | 2283 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 38,392 psi | 68% | 2421 fps | 99.8% |
| Accurate 4064 | <<locked>> | 80% | 30,269 psi | 54% | 2270 fps | 99.2% |
| Accurate 4350 | <<locked>> | 94% | 34,925 psi | 62% | 2431 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 36,593 psi | 65% | 2379 fps | 97.3% |
| ADI AR 2208 | <<locked>> | 82% | 33,228 psi | 59% | 2290 fps | 95.4% |
| ADI Benchmark 8208 | <<locked>> | 80% | 38,667 psi | 68% | 2395 fps | 98.8% |
| Alliant AR-Comp | <<locked>> | 80% | 37,304 psi | 66% | 2392 fps | 100% |
| Alliant Power Pro 1200-R | <<locked>> | 80% | 44,672 psi | 79% | 2575 fps | 99.4% |
| Alliant Power Pro 2000-MR | 42.2 gr | 82% | 35,114 psi | 62% | 2438 fps | 95.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 30,023 psi | 53% | 2260 fps | 96.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 45,339 psi | 80% | 2461 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 32,503 psi | 57% | 2313 fps | 95.5% |
| Alliant Reloder-16 | <<locked>> | 92% | 34,287 psi | 61% | 2395 fps | 95% |
| Alliant Reloder-17 | <<locked>> | 84% | 29,660 psi | 52% | 2313 fps | 95% |
| Baschieri & Pellagri 106 | <<locked>> | 80% | 47,282 psi | 84% | 2444 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 35,375 psi | 63% | 2375 fps | 95.8% |
| Bofors RP3 | <<locked>> | 80% | 29,008 psi | 51% | 2251 fps | 96.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 40,785 psi | 72% | 2392 fps | 99.4% |
| Hodgdon BL-C2 | <<locked>> | 80% | 36,405 psi | 64% | 2405 fps | 98.9% |
| Hodgdon CFE223 | <<locked>> | 80% | 40,263 psi | 71% | 2530 fps | 97.8% |
| Hodgdon H322 | <<locked>> | 80% | 44,309 psi | 78% | 2493 fps | 100% |
| Hodgdon H335 | <<locked>> | 80% | 44,614 psi | 79% | 2510 fps | 100% |
| Hodgdon H380 | <<locked>> | 86% | 37,144 psi | 66% | 2408 fps | 95.6% |
| Hodgdon H414 | <<locked>> | 98% | 44,164 psi | 78% | 2585 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 36,811 psi | 65% | 2392 fps | 97.9% |
| Hodgdon Hybrid 100V | <<locked>> | 92% | 30,966 psi | 55% | 2297 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 32,764 psi | 58% | 2356 fps | 97.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 25,324 psi | 45% | 1398 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 35,650 psi | 63% | 2352 fps | 97.6% |
| IMR 3031 | <<locked>> | 80% | 35,636 psi | 63% | 2395 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 32,721 psi | 58% | 2274 fps | 95.6% |
| IMR 4166 Enduron | <<locked>> | 88% | 45,672 psi | 81% | 2487 fps | 95.2% |
| IMR 4198 | <<locked>> | 80% | 46,354 psi | 82% | 2428 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 96% | 47,674 psi | 84% | 2552 fps | 95.6% |
| IMR 4831 | <<locked>> | 94% | 34,200 psi | 60% | 2392 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 33,243 psi | 59% | 2343 fps | 96.5% |
| IMR 8208 XBR | <<locked>> | 80% | 38,667 psi | 68% | 2395 fps | 98.8% |
| Lovex D073.5 | <<locked>> | 80% | 42,873 psi | 76% | 2467 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 34,664 psi | 61% | 2359 fps | 99.3% |
| Lovex S060 | <<locked>> | 80% | 37,449 psi | 66% | 2329 fps | 97.5% |
| Lovex S062 | <<locked>> | 80% | 32,053 psi | 57% | 2274 fps | 97.4% |
| Lovex S065 | <<locked>> | 94% | 40,756 psi | 72% | 2448 fps | 95.6% |
| Lovex S070 | <<locked>> | 98% | 43,526 psi | 77% | 2516 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 35,810 psi | 63% | 2339 fps | 98.3% |
| Norma 202 | <<locked>> | 80% | 35,897 psi | 63% | 2356 fps | 99.7% |
| Norma 203B | <<locked>> | 80% | 31,908 psi | 56% | 2303 fps | 95.9% |
| Norma URP | <<locked>> | 94% | 36,114 psi | 64% | 2438 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 31,401 psi | 56% | 2306 fps | 95.3% |
| Ramshot TAC | <<locked>> | 80% | 38,435 psi | 68% | 2388 fps | 95.1% |
| Ramshot Wild Boar | <<locked>> | 80% | 37,376 psi | 66% | 2408 fps | 97.5% |
| Ramshot X-Terminator | <<locked>> | 80% | 41,887 psi | 74% | 2438 fps | 98.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 25,599 psi | 45% | 1434 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 43,598 psi | 77% | 2477 fps | 99.9% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 43,424 psi | 77% | 2493 fps | 95.5% |
| ReloadSwiss RS 52 | 40 gr | 80% | 33,533 psi | 59% | 2398 fps | 95.8% |
| ReloadSwiss RS 60 | 40.6 gr | 80% | 27,804 psi | 49% | 2270 fps | 96.8% |
| ReloadSwiss RS 62 | <<locked>> | 94% | 35,215 psi | 62% | 2448 fps | 95.1% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 39,218 psi | 69% | 2516 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 39,349 psi | 70% | 2385 fps | 99.9% |
| Rottweil R 902 | <<locked>> | 80% | 33,895 psi | 60% | 2293 fps | 97.9% |
| Rottweil R 903 | <<locked>> | 82% | 29,138 psi | 52% | 2247 fps | 95.8% |
| Shooters World Long Rifle | <<locked>> | 94% | 40,756 psi | 72% | 2448 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 34,664 psi | 61% | 2359 fps | 99.3% |
| Shooters World Precision | <<locked>> | 80% | 32,053 psi | 57% | 2274 fps | 97.4% |
| Shooters World SW4350 | <<locked>> | 98% | 43,526 psi | 77% | 2516 fps | 95.1% |
| Shooters World Tactical Rifle | <<locked>> | 80% | 45,919 psi | 81% | 2487 fps | 99.5% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 30,864 psi | 55% | 2300 fps | 95.2% |
| SNPE Vectan SP 3 | <<locked>> | 80% | 46,238 psi | 82% | 2477 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 36,201 psi | 64% | 2356 fps | 95.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 35,259 psi | 62% | 2352 fps | 96.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 37,623 psi | 67% | 2310 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 30,748 psi | 54% | 2188 fps | 99.5% |
| SNPE Vectan Tubal 7000 | <<locked>> | 98% | 45,905 psi | 81% | 2493 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 41,133 psi | 73% | 2464 fps | 99.4% |
| Somchem S335 | <<locked>> | 80% | 37,086 psi | 66% | 2316 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 35,955 psi | 64% | 2359 fps | 97.1% |
| Somchem S355 | <<locked>> | 80% | 28,645 psi | 51% | 2215 fps | 95.2% |
| Somchem S365 | <<locked>> | 88% | 26,382 psi | 47% | 2231 fps | 95.2% |
| Vihtavuori N130 | <<locked>> | 80% | 42,801 psi | 76% | 2375 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 37,782 psi | 67% | 2310 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 32,837 psi | 58% | 2290 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 33,895 psi | 60% | 2297 fps | 99.7% |
| Vihtavuori N150 | <<locked>> | 80% | 27,093 psi | 48% | 2162 fps | 96.1% |
| Vihtavuori N160 | <<locked>> | 92% | 35,650 psi | 63% | 2392 fps | 95.4% |
| Vihtavuori N530 | <<locked>> | 80% | 38,406 psi | 68% | 2388 fps | 98.9% |
| Vihtavuori N540 | <<locked>> | 80% | 32,358 psi | 57% | 2283 fps | 99.2% |
| Vihtavuori N550 | <<locked>> | 92% | 34,737 psi | 61% | 2395 fps | 95% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 29,965 psi | 53% | 2231 fps | 95.3% |
| Winchester 748 | <<locked>> | 80% | 37,289 psi | 66% | 2428 fps | 99.3% |
| Winchester 760 | <<locked>> | 98% | 44,483 psi | 79% | 2592 fps | 95.2% |
| Winchester StaBALL Match | <<locked>> | 80% | 34,185 psi | 60% | 2352 fps | 97.3% |
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 94 powders for 7.62 x 53 R Fin. loaded with the .308 | 183gr | Peregrine Plainsmaster (VLR-4). ReloadSwiss RS 60 delivers the highest muzzle velocity at 2,746 fps; across all powders the maximum-charge window runs from 1,568 fps to 2,746 fps. Accurate 4350 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 61–90 %, leaving at least 10 % headroom. The 183.0 gr projectile in 0.308" calls for a 1:10.5 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. ReloadSwiss RS 60, Alliant Power Pro 2000-MR, ReloadSwiss RS 52 rank at the top here: for 7.62 x 53 R Fin. with the .308 | 183gr | Peregrine Plainsmaster (VLR-4) 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.