Load Specifications
Load data in caliber .30-06 Spring. with .308 | 200gr | Peregrine VRG-3 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 Reloder-17, ReloadSwiss RS 60 and Hodgdon H414.
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>> | 82% | 50,676 psi | 86% | 2375 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 52,040 psi | 89% | 2434 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 50,647 psi | 86% | 2454 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 51,721 psi | 88% | 2441 fps | 97.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 39,204 psi | 67% | 2343 fps | 96.3% |
| Accurate 4064 | <<locked>> | 90% | 52,054 psi | 89% | 2477 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 51,663 psi | 88% | 2556 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 86% | 53,026 psi | 90% | 2510 fps | 100% |
| ADI AR 2208 | <<locked>> | 90% | 51,126 psi | 87% | 2470 fps | 99.8% |
| ADI Benchmark 8208 | <<locked>> | 84% | 52,373 psi | 89% | 2467 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 52,895 psi | 90% | 2441 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 52,750 psi | 90% | 2618 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 50,778 psi | 86% | 2487 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 51,271 psi | 87% | 2503 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 98% | 50,372 psi | 86% | 2566 fps | 99.8% |
| Alliant Reloder-17 | <<locked>> | 94% | 51,227 psi | 87% | 2595 fps | 100% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 37,811 psi | 64% | 2375 fps | 99.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 42,221 psi | 72% | 2520 fps | 98.5% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 52,794 psi | 90% | 2526 fps | 99.8% |
| Bofors RP3 | <<locked>> | 90% | 50,923 psi | 87% | 2497 fps | 100% |
| Bofors RP7 | <<locked>> | 94% | 51,459 psi | 88% | 2474 fps | 97.4% |
| Hodgdon Benchmark | <<locked>> | 82% | 50,734 psi | 86% | 2408 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 51,300 psi | 87% | 2493 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 51,953 psi | 88% | 2510 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 96% | 51,474 psi | 88% | 2556 fps | 98.1% |
| Hodgdon H4350 | <<locked>> | 94% | 52,315 psi | 89% | 2523 fps | 96.9% |
| Hodgdon H4895 | <<locked>> | 84% | 50,444 psi | 86% | 2474 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 49,806 psi | 85% | 2500 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 52,997 psi | 90% | 2549 fps | 100% |
| Hodgdon Superformance | <<locked>> | 96% | 51,895 psi | 88% | 2589 fps | 97.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,447 psi | 60% | 1519 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 51,663 psi | 88% | 2477 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 50,357 psi | 86% | 2457 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 50,401 psi | 86% | 2451 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 86% | 50,517 psi | 86% | 2434 fps | 97.7% |
| IMR 4350 | <<locked>> | 98% | 51,764 psi | 88% | 2500 fps | 97.5% |
| IMR 4451 Enduron | <<locked>> | 92% | 50,372 psi | 86% | 2461 fps | 97.6% |
| IMR 4831ᴾ | <<locked>> | 100% | 52,692 psi | 90% | 2552 fps | 99.8% |
| IMR 4895 | <<locked>> | 88% | 52,576 psi | 90% | 2533 fps | 100% |
| IMR 8208 XBR | <<locked>> | 84% | 52,373 psi | 89% | 2467 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 52,431 psi | 89% | 2487 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 52,968 psi | 90% | 2448 fps | 100% |
| Lovex S062 | <<locked>> | 88% | 50,038 psi | 85% | 2448 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 52,663 psi | 90% | 2497 fps | 99.1% |
| Lovex S070 | <<locked>> | 96% | 50,009 psi | 85% | 2480 fps | 97.9% |
| Norma 201 | <<locked>> | 86% | 51,648 psi | 88% | 2457 fps | 100% |
| Norma 202 | <<locked>> | 86% | 52,460 psi | 89% | 2464 fps | 100% |
| Norma 203B | <<locked>> | 88% | 50,459 psi | 86% | 2493 fps | 100% |
| Norma 204 | <<locked>> | 98% | 51,909 psi | 88% | 2539 fps | 96.2% |
| Norma URP | <<locked>> | 98% | 51,343 psi | 87% | 2549 fps | 99.7% |
| Ramshot Big Game | <<locked>> | 88% | 50,894 psi | 87% | 2516 fps | 100% |
| Ramshot Hunter | <<locked>> | 98% | 49,951 psi | 85% | 2543 fps | 98.5% |
| Ramshot TAC | <<locked>> | 84% | 52,504 psi | 89% | 2487 fps | 99.2% |
| Ramshot Wild Boar | <<locked>> | 84% | 51,837 psi | 88% | 2500 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,737 psi | 61% | 1552 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 52,446 psi | 89% | 2497 fps | 98.6% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 51,387 psi | 87% | 2559 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 50,792 psi | 86% | 2592 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 51,445 psi | 88% | 2575 fps | 99.6% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 51,343 psi | 87% | 2602 fps | 99.5% |
| Rottweil R 901 | <<locked>> | 84% | 52,576 psi | 90% | 2438 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 52,214 psi | 89% | 2457 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 50,763 psi | 86% | 2490 fps | 100% |
| Rottweil R 907 | <<locked>> | 94% | 51,459 psi | 88% | 2474 fps | 97.4% |
| Shooters World Long Rifle | <<locked>> | 96% | 52,663 psi | 90% | 2497 fps | 99.1% |
| Shooters World Match Rifle | <<locked>> | 86% | 52,431 psi | 89% | 2487 fps | 100% |
| Shooters World Precision | <<locked>> | 88% | 50,038 psi | 85% | 2448 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 50,009 psi | 85% | 2480 fps | 97.9% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 52,547 psi | 89% | 2546 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 50,502 psi | 86% | 2461 fps | 99.2% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 51,503 psi | 88% | 2484 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 84% | 50,241 psi | 86% | 2365 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 90% | 50,589 psi | 86% | 2369 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 52,823 psi | 90% | 2454 fps | 98.1% |
| Somchem S321 | <<locked>> | 82% | 53,127 psi | 90% | 2493 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 52,678 psi | 90% | 2402 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 50,415 psi | 86% | 2457 fps | 99.9% |
| Somchem S355 | <<locked>> | 92% | 51,445 psi | 88% | 2493 fps | 100% |
| Somchem S365ᴾ | <<locked>> | 100% | 48,950 psi | 83% | 2549 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 45,629 psi | 78% | 2444 fps | 96.2% |
| Vihtavuori N133 | <<locked>> | 84% | 50,560 psi | 86% | 2352 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 52,199 psi | 89% | 2428 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 52,968 psi | 90% | 2444 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 52,866 psi | 90% | 2474 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 50,459 psi | 86% | 2500 fps | 99.5% |
| Vihtavuori N530 | <<locked>> | 84% | 52,765 psi | 90% | 2467 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 51,010 psi | 87% | 2441 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 52,794 psi | 90% | 2552 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 41,452 psi | 71% | 2444 fps | 99% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 50,734 psi | 86% | 2484 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 52,547 psi | 89% | 2510 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 51,793 psi | 88% | 2562 fps | 98.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 33,649 psi | 57% | 2375 fps | 99% |
| Winchester StaBALL Match | <<locked>> | 86% | 51,198 psi | 87% | 2490 fps | 100% |
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% | 47,645 psi | 81% | 2336 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 39,798 psi | 68% | 2267 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 47,340 psi | 81% | 2408 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 42,511 psi | 72% | 2297 fps | 95% |
| Accurate 3100 | <<locked>> | 98% | 36,477 psi | 62% | 2293 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 37,695 psi | 64% | 2264 fps | 100% |
| Accurate 4350 | <<locked>> | 84% | 31,647 psi | 54% | 2205 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 43,772 psi | 75% | 2369 fps | 99.5% |
| ADI AR 2208 | <<locked>> | 80% | 37,362 psi | 64% | 2241 fps | 97.9% |
| ADI Benchmark 8208 | <<locked>> | 80% | 45,934 psi | 78% | 2375 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 46,485 psi | 79% | 2362 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 39,827 psi | 68% | 2402 fps | 98.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 36,709 psi | 62% | 2257 fps | 99% |
| Alliant Reloder-15 | <<locked>> | 80% | 39,494 psi | 67% | 2313 fps | 98.6% |
| Alliant Reloder-16 | <<locked>> | 82% | 30,516 psi | 52% | 2175 fps | 95% |
| Alliant Reloder-17 | 44.7 gr | 80% | 31,618 psi | 54% | 2231 fps | 97.4% |
| Alliant Reloder-23 | <<locked>> | 90% | 27,702 psi | 47% | 2133 fps | 95.4% |
| Alliant Reloder-26 | <<locked>> | 94% | 34,185 psi | 58% | 2349 fps | 95.8% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 43,163 psi | 73% | 2379 fps | 98.8% |
| Bofors RP3 | <<locked>> | 80% | 36,245 psi | 62% | 2260 fps | 99.1% |
| Bofors RP7 | <<locked>> | 88% | 42,438 psi | 72% | 2329 fps | 95.3% |
| Hodgdon Benchmark | <<locked>> | 80% | 47,819 psi | 81% | 2365 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 44,628 psi | 76% | 2395 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 37,275 psi | 63% | 2267 fps | 96.9% |
| Hodgdon H414 | 48.1 gr | 88% | 39,305 psi | 67% | 2352 fps | 95.2% |
| Hodgdon H4350 | <<locked>> | 90% | 46,137 psi | 79% | 2428 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 44,208 psi | 75% | 2379 fps | 99.8% |
| Hodgdon Hybrid 100V | <<locked>> | 82% | 27,789 psi | 47% | 2083 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 40,205 psi | 68% | 2356 fps | 99.6% |
| Hodgdon Superformance | <<locked>> | 90% | 41,945 psi | 71% | 2421 fps | 95.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,339 psi | 45% | 1355 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 42,583 psi | 72% | 2339 fps | 99.6% |
| IMR 3031 | <<locked>> | 80% | 44,005 psi | 75% | 2372 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 39,204 psi | 67% | 2270 fps | 98.5% |
| IMR 4166 Enduron | <<locked>> | 80% | 41,814 psi | 71% | 2290 fps | 95.7% |
| IMR 4350 | <<locked>> | 92% | 42,786 psi | 73% | 2359 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 86% | 41,742 psi | 71% | 2316 fps | 95.6% |
| IMR 4831 | <<locked>> | 84% | 30,893 psi | 53% | 2172 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 40,466 psi | 69% | 2339 fps | 99.1% |
| IMR 8208 XBR | <<locked>> | 80% | 45,934 psi | 78% | 2375 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 42,728 psi | 73% | 2349 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 44,106 psi | 75% | 2316 fps | 99.5% |
| Lovex S062 | <<locked>> | 80% | 39,001 psi | 66% | 2274 fps | 99.6% |
| Lovex S065 | <<locked>> | 84% | 36,158 psi | 62% | 2221 fps | 95.6% |
| Lovex S070 | <<locked>> | 88% | 38,841 psi | 66% | 2293 fps | 95.2% |
| Norma 201 | <<locked>> | 80% | 42,844 psi | 73% | 2326 fps | 99.9% |
| Norma 202 | <<locked>> | 80% | 43,163 psi | 73% | 2333 fps | 100% |
| Norma 203B | <<locked>> | 80% | 38,885 psi | 66% | 2303 fps | 98.9% |
| Norma 204 | <<locked>> | 96% | 48,515 psi | 83% | 2487 fps | 95.4% |
| Norma URP | <<locked>> | 84% | 32,314 psi | 55% | 2211 fps | 95.7% |
| Ramshot Big Game | <<locked>> | 80% | 38,450 psi | 65% | 2316 fps | 98.6% |
| Ramshot Hunter | <<locked>> | 90% | 38,421 psi | 65% | 2346 fps | 95.8% |
| Ramshot TAC | <<locked>> | 80% | 45,963 psi | 78% | 2388 fps | 98.2% |
| Ramshot Wild Boar | <<locked>> | 80% | 45,513 psi | 77% | 2405 fps | 99.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,440 psi | 45% | 1385 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 37,826 psi | 64% | 2254 fps | 95.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 41,611 psi | 71% | 2408 fps | 98.9% |
| ReloadSwiss RS 60 | 44.7 gr | 80% | 33,707 psi | 57% | 2290 fps | 99.7% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 31,546 psi | 54% | 2221 fps | 95.1% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 34,113 psi | 58% | 2277 fps | 95.1% |
| Rottweil R 901 | <<locked>> | 80% | 46,688 psi | 79% | 2359 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 40,756 psi | 69% | 2283 fps | 99.7% |
| Rottweil R 903 | <<locked>> | 80% | 34,113 psi | 58% | 2211 fps | 98.4% |
| Rottweil R 907 | <<locked>> | 88% | 42,438 psi | 72% | 2329 fps | 95.3% |
| Shooters World Long Rifle | <<locked>> | 84% | 36,158 psi | 62% | 2221 fps | 95.6% |
| Shooters World Match Rifle | <<locked>> | 80% | 42,728 psi | 73% | 2349 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 39,001 psi | 66% | 2274 fps | 99.6% |
| Shooters World SW4350 | <<locked>> | 88% | 38,841 psi | 66% | 2293 fps | 95.2% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 35,143 psi | 60% | 2257 fps | 97.9% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 43,947 psi | 75% | 2359 fps | 98.3% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 42,337 psi | 72% | 2346 fps | 99.3% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 44,367 psi | 76% | 2283 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 36,811 psi | 63% | 2165 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 88% | 40,466 psi | 69% | 2264 fps | 95.4% |
| Somchem S321 | <<locked>> | 80% | 49,777 psi | 85% | 2448 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 43,888 psi | 75% | 2283 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 43,947 psi | 75% | 2362 fps | 99.5% |
| Somchem S355 | <<locked>> | 80% | 34,983 psi | 60% | 2218 fps | 98.4% |
| Somchem S365 | <<locked>> | 80% | 25,193 psi | 43% | 2067 fps | 96% |
| Somchem S385 | <<locked>> | 98% | 42,598 psi | 73% | 2392 fps | 95.4% |
| Vihtavuori N133 | <<locked>> | 80% | 44,759 psi | 76% | 2274 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 40,277 psi | 69% | 2264 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 41,017 psi | 70% | 2277 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 33,344 psi | 57% | 2162 fps | 99% |
| Vihtavuori N160 | <<locked>> | 82% | 31,618 psi | 54% | 2165 fps | 95.3% |
| Vihtavuori N530 | <<locked>> | 80% | 46,108 psi | 78% | 2375 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 39,465 psi | 67% | 2270 fps | 100% |
| Vihtavuori N550 | <<locked>> | 84% | 33,054 psi | 56% | 2211 fps | 95.7% |
| Vihtavuori N555 | <<locked>> | 90% | 29,544 psi | 50% | 2198 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 29,544 psi | 50% | 2100 fps | 96.7% |
| Winchester 748 | <<locked>> | 80% | 45,658 psi | 78% | 2415 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 39,552 psi | 67% | 2359 fps | 95.3% |
| Winchester StaBALL HD | <<locked>> | 94% | 27,688 psi | 47% | 2201 fps | 95.9% |
| Winchester StaBALL Match | <<locked>> | 80% | 41,959 psi | 71% | 2352 fps | 99.6% |
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 113 powders for .30-06 Spring. loaded with the .308 | 200gr | Peregrine VRG-3. Alliant Power Pro 2000-MR delivers the highest muzzle velocity at 2,618 fps; across all powders the maximum-charge window runs from 1,519 fps to 2,618 fps. Accurate 3100 gives the best case fill at 100 %, and 113 of the 113 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (405 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 200.0 gr projectile in 0.308" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2209, ADI AR 2213 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 Reloder-17, ReloadSwiss RS 60, Hodgdon H414 rank at the top here: for .30-06 Spring. with the .308 | 200gr | Peregrine VRG-3 they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2213, Alliant Reloder-22, Alliant Reloder-25 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.