Load Specifications
Load data in caliber .30-06 Spring. with .311 | 182gr | Prvi Partizan FMJ BT bullet and 93 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, Alliant Reloder-17 and ReloadSwiss RS 60.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 84% | 51,982 psi | 88% | 2507 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 50,096 psi | 85% | 2526 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 51,779 psi | 88% | 2582 fps | 100% |
| Accurate 4064 | <<locked>> | 90% | 49,951 psi | 85% | 2566 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 52,620 psi | 90% | 2680 fps | 99.3% |
| ADI AR 2206H | <<locked>> | 86% | 50,894 psi | 87% | 2589 fps | 99.7% |
| ADI AR 2208 | <<locked>> | 92% | 51,909 psi | 88% | 2589 fps | 99.5% |
| ADI Benchmark 8208 | <<locked>> | 84% | 50,328 psi | 86% | 2552 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 50,473 psi | 86% | 2533 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 50,111 psi | 85% | 2690 fps | 99.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 51,706 psi | 88% | 2615 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 90% | 52,272 psi | 89% | 2631 fps | 99.6% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 51,068 psi | 87% | 2684 fps | 99.4% |
| Alliant Reloder-17 | <<locked>> | 96% | 51,764 psi | 88% | 2717 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 36,245 psi | 62% | 2434 fps | 97.7% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 40,045 psi | 68% | 2566 fps | 96.5% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 50,589 psi | 86% | 2605 fps | 99.2% |
| Bofors RP3 | <<locked>> | 92% | 51,909 psi | 88% | 2625 fps | 100% |
| Bofors RP7 | <<locked>> | 96% | 52,591 psi | 90% | 2595 fps | 96.5% |
| Hodgdon Benchmark | <<locked>> | 84% | 52,185 psi | 89% | 2536 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 86% | 52,576 psi | 90% | 2625 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 50,662 psi | 86% | 2661 fps | 99.5% |
| Hodgdon H380 | <<locked>> | 92% | 52,968 psi | 90% | 2635 fps | 99% |
| Hodgdon H414 | <<locked>> | 98% | 52,257 psi | 89% | 2677 fps | 97.3% |
| Hodgdon H4895 | <<locked>> | 86% | 51,343 psi | 87% | 2602 fps | 99.9% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 47,050 psi | 80% | 2569 fps | 99.6% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 50,285 psi | 86% | 2628 fps | 100% |
| Hodgdon Superformance | <<locked>> | 98% | 53,011 psi | 90% | 2707 fps | 96.8% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,157 psi | 60% | 1588 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 52,808 psi | 90% | 2605 fps | 99.9% |
| IMR 3031 | <<locked>> | 86% | 51,184 psi | 87% | 2592 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 51,590 psi | 88% | 2579 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 88% | 51,779 psi | 88% | 2556 fps | 96.9% |
| IMR 4350ᴾ | <<locked>> | 100% | 52,460 psi | 89% | 2615 fps | 96.5% |
| IMR 4451 Enduron | <<locked>> | 94% | 51,097 psi | 87% | 2572 fps | 96.7% |
| IMR 4831ᴾ | <<locked>> | 100% | 49,763 psi | 85% | 2621 fps | 99% |
| IMR 4895 | <<locked>> | 88% | 50,241 psi | 86% | 2612 fps | 99.7% |
| IMR 8208 XBR | <<locked>> | 84% | 50,328 psi | 86% | 2552 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 50,096 psi | 85% | 2569 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 51,053 psi | 87% | 2530 fps | 99.7% |
| Lovex S062 | <<locked>> | 90% | 51,271 psi | 87% | 2575 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 50,357 psi | 86% | 2569 fps | 98% |
| Lovex S070 | <<locked>> | 98% | 50,894 psi | 87% | 2595 fps | 97.1% |
| Norma 201 | <<locked>> | 88% | 53,098 psi | 90% | 2592 fps | 100% |
| Norma 202 | <<locked>> | 86% | 50,343 psi | 86% | 2549 fps | 100% |
| Norma 203B | <<locked>> | 90% | 51,474 psi | 88% | 2621 fps | 99.8% |
| Norma URPᴾ | <<locked>> | 100% | 51,880 psi | 88% | 2667 fps | 99.2% |
| Ramshot Big Game | <<locked>> | 90% | 51,517 psi | 88% | 2638 fps | 99.7% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 50,705 psi | 86% | 2661 fps | 97.7% |
| Ramshot TAC | <<locked>> | 84% | 50,328 psi | 86% | 2562 fps | 98.1% |
| Ramshot Wild Boar | <<locked>> | 86% | 53,113 psi | 90% | 2628 fps | 99.8% |
| Ramshot X-Terminator | <<locked>> | 82% | 51,126 psi | 87% | 2552 fps | 99.6% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,708 psi | 61% | 1627 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 82% | 53,113 psi | 90% | 2579 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 50,125 psi | 85% | 2566 fps | 97.3% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 52,388 psi | 89% | 2690 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 51,692 psi | 88% | 2720 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 51,909 psi | 88% | 2697 fps | 99.1% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 52,504 psi | 89% | 2723 fps | 98.9% |
| Rottweil R 901 | <<locked>> | 84% | 51,053 psi | 87% | 2533 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 50,343 psi | 86% | 2543 fps | 100% |
| Rottweil R 903 | <<locked>> | 94% | 51,779 psi | 88% | 2615 fps | 99.9% |
| Rottweil R 907 | <<locked>> | 96% | 52,591 psi | 90% | 2595 fps | 96.5% |
| Shooters World Long Rifle | <<locked>> | 96% | 50,357 psi | 86% | 2569 fps | 98% |
| Shooters World Match Rifle | <<locked>> | 86% | 50,096 psi | 85% | 2569 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 51,271 psi | 87% | 2575 fps | 100% |
| Shooters World SW4350 | <<locked>> | 98% | 50,894 psi | 87% | 2595 fps | 97.1% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 50,111 psi | 85% | 2625 fps | 99.6% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 51,953 psi | 88% | 2589 fps | 98.8% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 52,794 psi | 90% | 2615 fps | 99.8% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 51,517 psi | 88% | 2493 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 51,576 psi | 88% | 2493 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 50,401 psi | 86% | 2523 fps | 96.6% |
| Somchem S321 | <<locked>> | 82% | 50,923 psi | 87% | 2575 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 50,836 psi | 87% | 2490 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 51,619 psi | 88% | 2585 fps | 99.7% |
| Somchem S355 | <<locked>> | 94% | 52,141 psi | 89% | 2612 fps | 99.9% |
| Somchem S365ᴾ | <<locked>> | 100% | 46,354 psi | 79% | 2621 fps | 100% |
| Vihtavuori N130 | <<locked>> | 82% | 51,517 psi | 88% | 2464 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 51,706 psi | 88% | 2480 fps | 100% |
| Vihtavuori N135 | <<locked>> | 90% | 53,113 psi | 90% | 2559 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 50,720 psi | 86% | 2530 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 50,372 psi | 86% | 2552 fps | 100% |
| Vihtavuori N160 | <<locked>> | 98% | 51,039 psi | 87% | 2618 fps | 99% |
| Vihtavuori N530 | <<locked>> | 84% | 50,633 psi | 86% | 2549 fps | 100% |
| Vihtavuori N540 | <<locked>> | 90% | 52,040 psi | 89% | 2569 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 49,966 psi | 85% | 2621 fps | 98.8% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 38,943 psi | 66% | 2503 fps | 97.6% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 51,590 psi | 88% | 2602 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 50,067 psi | 85% | 2592 fps | 100% |
| Winchester 760 | <<locked>> | 98% | 52,257 psi | 89% | 2677 fps | 97.3% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 32,314 psi | 55% | 2411 fps | 96.8% |
| Winchester StaBALL Match | <<locked>> | 88% | 52,402 psi | 89% | 2621 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% | 45,832 psi | 78% | 2421 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,624 psi | 66% | 2352 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 45,382 psi | 77% | 2490 fps | 100% |
| Accurate 4064 | <<locked>> | 80% | 36,506 psi | 62% | 2346 fps | 99.9% |
| Accurate 4350 | <<locked>> | 88% | 34,621 psi | 59% | 2365 fps | 95.5% |
| ADI AR 2206H | <<locked>> | 80% | 42,221 psi | 72% | 2448 fps | 98.7% |
| ADI AR 2208 | <<locked>> | 80% | 36,071 psi | 61% | 2310 fps | 96.5% |
| ADI Benchmark 8208 | <<locked>> | 80% | 44,266 psi | 75% | 2454 fps | 99.6% |
| Alliant AR-Comp | <<locked>> | 80% | 44,135 psi | 75% | 2448 fps | 100% |
| Alliant Power Pro 2000-MR | 45.8 gr | 80% | 38,130 psi | 65% | 2464 fps | 96.9% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,360 psi | 60% | 2329 fps | 98% |
| Alliant Reloder-15 | <<locked>> | 80% | 38,029 psi | 65% | 2385 fps | 97.3% |
| Alliant Reloder-16 | <<locked>> | 88% | 35,360 psi | 60% | 2382 fps | 95.7% |
| Alliant Reloder-17 | 45.1 gr | 80% | 30,472 psi | 52% | 2287 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 94% | 30,168 psi | 51% | 2280 fps | 95.1% |
| Alliant Reloder-26 | <<locked>> | 98% | 37,275 psi | 63% | 2507 fps | 95.5% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 41,307 psi | 70% | 2448 fps | 97.6% |
| Bofors RP3 | <<locked>> | 80% | 34,882 psi | 59% | 2329 fps | 98% |
| Bofors RP7 | <<locked>> | 92% | 46,499 psi | 79% | 2497 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 46,267 psi | 79% | 2451 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 80% | 42,801 psi | 73% | 2474 fps | 99.8% |
| Hodgdon CFE223 | <<locked>> | 80% | 47,108 psi | 80% | 2605 fps | 99.1% |
| Hodgdon H380 | <<locked>> | 80% | 35,679 psi | 61% | 2329 fps | 95.1% |
| Hodgdon H414 | <<locked>> | 92% | 42,917 psi | 73% | 2520 fps | 95% |
| Hodgdon H4895 | <<locked>> | 80% | 42,554 psi | 72% | 2457 fps | 99.1% |
| Hodgdon Hybrid 100V | <<locked>> | 86% | 30,313 psi | 52% | 2234 fps | 95.6% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 38,392 psi | 65% | 2428 fps | 98.8% |
| Hodgdon Superformance | <<locked>> | 94% | 45,963 psi | 78% | 2589 fps | 95% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,208 psi | 45% | 1421 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 41,017 psi | 70% | 2415 fps | 98.8% |
| IMR 3031 | <<locked>> | 80% | 42,090 psi | 72% | 2457 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 37,855 psi | 64% | 2343 fps | 97.3% |
| IMR 4166 Enduron | <<locked>> | 84% | 45,629 psi | 78% | 2454 fps | 95.5% |
| IMR 4350 | <<locked>> | 96% | 46,195 psi | 79% | 2513 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 90% | 45,324 psi | 77% | 2477 fps | 95.3% |
| IMR 4831 | <<locked>> | 88% | 33,663 psi | 57% | 2329 fps | 95.2% |
| IMR 4895 | <<locked>> | 80% | 38,899 psi | 66% | 2411 fps | 98.1% |
| IMR 8208 XBR | <<locked>> | 80% | 44,266 psi | 75% | 2454 fps | 99.6% |
| Lovex D073.6 | <<locked>> | 80% | 41,017 psi | 70% | 2428 fps | 99.9% |
| Lovex S060 | <<locked>> | 80% | 42,467 psi | 72% | 2388 fps | 98.7% |
| Lovex S062 | <<locked>> | 80% | 37,463 psi | 64% | 2343 fps | 98.8% |
| Lovex S065 | <<locked>> | 88% | 39,494 psi | 67% | 2382 fps | 95.4% |
| Lovex S070 | <<locked>> | 94% | 45,020 psi | 77% | 2503 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 41,481 psi | 71% | 2405 fps | 99.4% |
| Norma 202 | <<locked>> | 80% | 41,582 psi | 71% | 2415 fps | 100% |
| Norma 203B | <<locked>> | 80% | 37,420 psi | 64% | 2375 fps | 97.7% |
| Norma URP | <<locked>> | 88% | 35,186 psi | 60% | 2369 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 36,782 psi | 63% | 2382 fps | 97.3% |
| Ramshot Hunter | <<locked>> | 94% | 41,887 psi | 71% | 2507 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 44,193 psi | 75% | 2457 fps | 96.9% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,627 psi | 74% | 2480 fps | 98.9% |
| Ramshot X-Terminator | <<locked>> | 80% | 47,776 psi | 81% | 2500 fps | 99.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,556 psi | 45% | 1453 fps | 100% |
| ReloadSwiss RS 40 | <<locked>> | 80% | 49,792 psi | 85% | 2533 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 41,394 psi | 70% | 2418 fps | 95.1% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 39,552 psi | 67% | 2477 fps | 97.7% |
| ReloadSwiss RS 60 | 45.1 gr | 80% | 32,460 psi | 55% | 2352 fps | 98.8% |
| ReloadSwiss RS 62 | <<locked>> | 88% | 34,606 psi | 59% | 2385 fps | 95% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 40,030 psi | 68% | 2500 fps | 95.9% |
| Rottweil R 901 | <<locked>> | 80% | 45,455 psi | 77% | 2448 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 39,494 psi | 67% | 2362 fps | 99.1% |
| Rottweil R 903 | <<locked>> | 80% | 32,706 psi | 56% | 2277 fps | 97% |
| Rottweil R 907 | <<locked>> | 92% | 46,499 psi | 79% | 2497 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 88% | 39,494 psi | 67% | 2382 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 41,017 psi | 70% | 2428 fps | 99.9% |
| Shooters World Precision | <<locked>> | 80% | 37,463 psi | 64% | 2343 fps | 98.8% |
| Shooters World SW4350 | <<locked>> | 94% | 45,020 psi | 77% | 2503 fps | 95.7% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 33,721 psi | 57% | 2323 fps | 96.4% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 42,221 psi | 72% | 2431 fps | 97% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,712 psi | 69% | 2418 fps | 98.4% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,946 psi | 73% | 2365 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,578 psi | 61% | 2244 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 44,353 psi | 76% | 2428 fps | 95.2% |
| Somchem S321 | <<locked>> | 80% | 47,790 psi | 81% | 2530 fps | 99.9% |
| Somchem S335 | <<locked>> | 80% | 42,511 psi | 72% | 2369 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 42,076 psi | 72% | 2431 fps | 98.6% |
| Somchem S355 | <<locked>> | 80% | 33,808 psi | 58% | 2287 fps | 97.1% |
| Somchem S365 | <<locked>> | 82% | 26,121 psi | 44% | 2172 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 48,573 psi | 83% | 2421 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 43,207 psi | 74% | 2362 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,769 psi | 66% | 2349 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 39,276 psi | 67% | 2352 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 31,937 psi | 54% | 2228 fps | 97.9% |
| Vihtavuori N160 | <<locked>> | 86% | 34,476 psi | 59% | 2323 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 44,338 psi | 75% | 2454 fps | 99.7% |
| Vihtavuori N540 | <<locked>> | 80% | 37,811 psi | 64% | 2343 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 88% | 36,114 psi | 61% | 2372 fps | 95.5% |
| Vihtavuori N555 | <<locked>> | 94% | 32,285 psi | 55% | 2356 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 82% | 30,429 psi | 52% | 2201 fps | 95.7% |
| Winchester 748 | <<locked>> | 80% | 43,613 psi | 74% | 2490 fps | 99.9% |
| Winchester 760 | <<locked>> | 92% | 42,917 psi | 73% | 2520 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 98% | 30,342 psi | 52% | 2352 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 40,219 psi | 68% | 2425 fps | 98.8% |
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 107 powders for .30-06 Spring. loaded with the .311 | 182gr | Prvi Partizan FMJ BT. ReloadSwiss RS 70 delivers the highest muzzle velocity at 2,723 fps; across all powders the maximum-charge window runs from 1,588 fps to 2,723 fps. Accurate 3100 gives the best case fill at 100 %, and 107 of the 107 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 52–90 %, leaving at least 10 % headroom. The 182.0 gr projectile in 0.311" calls for a 1:12.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate 4350, ADI AR 2209 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, Alliant Reloder-17, ReloadSwiss RS 60 rank at the top here: for .30-06 Spring. with the .311 | 182gr | Prvi Partizan FMJ BT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 3100, ADI AR 2209, Alliant Reloder-19 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.