
Load Specifications
Load data in caliber 7.62 UKM with .308 | 168gr | Hasler Hunting 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-26, Norma MRP 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.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2495 | <<locked>> | 82% | 55,390 psi | 87% | 2851 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 57,101 psi | 89% | 2933 fps | 99.1% |
| Accurate 3100ᴾ | <<locked>> | 100% | 55,332 psi | 87% | 2976 fps | 99.8% |
| Accurate 4064 | <<locked>> | 84% | 55,869 psi | 88% | 2910 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 57,363 psi | 90% | 3025 fps | 100% |
| Accurate MAGPRO | <<locked>> | 98% | 54,070 psi | 85% | 3064 fps | 96.1% |
| ADI AR 2208 | <<locked>> | 86% | 56,521 psi | 89% | 2953 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 54,998 psi | 86% | 3018 fps | 98.3% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 56,188 psi | 88% | 3071 fps | 97.5% |
| Alliant Power Pro 2000-MR | <<locked>> | 82% | 56,086 psi | 88% | 3077 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 57,174 psi | 90% | 2972 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 57,537 psi | 90% | 2995 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 54,534 psi | 85% | 3028 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 88% | 56,072 psi | 88% | 3054 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 54,331 psi | 85% | 3005 fps | 98.3% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 55,201 psi | 87% | 3064 fps | 98.5% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 52,228 psi | 82% | 2992 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 45,266 psi | 71% | 2917 fps | 99.4% |
| Alliant Reloder-26 | <<locked>> | 98% | 56,463 psi | 88% | 3140 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 50,473 psi | 79% | 2982 fps | 97.6% |
| Bofors RP3 | <<locked>> | 84% | 54,433 psi | 85% | 2933 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 55,201 psi | 87% | 3064 fps | 98.5% |
| Bofors RP7 | <<locked>> | 90% | 57,566 psi | 90% | 2979 fps | 99.3% |
| Hodgdon H380 | <<locked>> | 84% | 54,853 psi | 86% | 2953 fps | 100% |
| Hodgdon H414 | <<locked>> | 90% | 55,999 psi | 88% | 3028 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 88% | 55,506 psi | 87% | 2982 fps | 98.6% |
| Hodgdon H4831 | <<locked>> | 98% | 56,536 psi | 89% | 3015 fps | 96.8% |
| Hodgdon H4831 SC | <<locked>> | 98% | 55,332 psi | 87% | 2995 fps | 96.6% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 54,955 psi | 86% | 2953 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 82% | 56,376 psi | 88% | 2989 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 44,237 psi | 69% | 2946 fps | 96.9% |
| Hodgdon Superformance | <<locked>> | 90% | 56,478 psi | 89% | 3064 fps | 99.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,376 psi | 57% | 1857 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 56,840 psi | 89% | 2953 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 55,753 psi | 87% | 2930 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 54,795 psi | 86% | 2913 fps | 99.3% |
| IMR 4350 | <<locked>> | 92% | 55,042 psi | 86% | 2956 fps | 99% |
| IMR 4451 Enduron | <<locked>> | 88% | 55,753 psi | 87% | 2953 fps | 99.3% |
| IMR 4831 | <<locked>> | 92% | 54,259 psi | 85% | 2966 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 55,288 psi | 87% | 2969 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 54,418 psi | 85% | 2946 fps | 96.6% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 53,563 psi | 84% | 3041 fps | 97% |
| Lovex S060 | <<locked>> | 82% | 57,363 psi | 90% | 2917 fps | 100% |
| Lovex S062 | <<locked>> | 84% | 55,970 psi | 88% | 2923 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 55,608 psi | 87% | 2943 fps | 99.9% |
| Lovex S070 | <<locked>> | 92% | 57,014 psi | 89% | 2989 fps | 99.6% |
| Lovex S071ᴾ | <<locked>> | 100% | 45,672 psi | 72% | 2815 fps | 98.7% |
| Norma 201 | <<locked>> | 82% | 57,130 psi | 90% | 2933 fps | 100% |
| Norma 203B | <<locked>> | 84% | 56,811 psi | 89% | 2982 fps | 100% |
| Norma 204 | <<locked>> | 92% | 56,072 psi | 88% | 3012 fps | 98.3% |
| Norma MRP | <<locked>> | 98% | 55,056 psi | 86% | 3094 fps | 99.4% |
| Norma URP | <<locked>> | 92% | 55,985 psi | 88% | 3012 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 54,041 psi | 85% | 2953 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 54,070 psi | 85% | 3058 fps | 97.5% |
| Ramshot Hunter | <<locked>> | 92% | 55,013 psi | 86% | 3012 fps | 99.7% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 48,167 psi | 75% | 2923 fps | 97.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,014 psi | 58% | 1900 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 54,781 psi | 86% | 2936 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 86% | 55,376 psi | 87% | 3045 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 57,580 psi | 90% | 3051 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 92% | 55,985 psi | 88% | 3081 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 44,193 psi | 69% | 2936 fps | 98% |
| Rottweil R 902 | <<locked>> | 82% | 54,346 psi | 85% | 2884 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 54,563 psi | 86% | 2930 fps | 100% |
| Rottweil R 904 | <<locked>> | 96% | 56,550 psi | 89% | 2989 fps | 97.6% |
| Rottweil R 905 | <<locked>> | 98% | 57,072 psi | 89% | 3048 fps | 98.8% |
| Rottweil R 907 | <<locked>> | 90% | 57,566 psi | 90% | 2979 fps | 99.3% |
| Shooters World Long Rifle | <<locked>> | 90% | 55,608 psi | 87% | 2943 fps | 99.9% |
| Shooters World Precision | <<locked>> | 84% | 55,970 psi | 88% | 2923 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 57,014 psi | 89% | 2989 fps | 99.6% |
| SNPE Vectan SP 11 | <<locked>> | 86% | 56,318 psi | 88% | 2992 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 57,203 psi | 90% | 2966 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 55,637 psi | 87% | 2815 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 55,303 psi | 87% | 2897 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 98% | 56,579 psi | 89% | 3041 fps | 98.7% |
| Somchem S335 | <<locked>> | 82% | 57,580 psi | 90% | 2854 fps | 100% |
| Somchem S355 | <<locked>> | 86% | 54,621 psi | 86% | 2930 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 54,679 psi | 86% | 2923 fps | 96.4% |
| Somchem S365 | <<locked>> | 94% | 55,622 psi | 87% | 3012 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 54,056 psi | 85% | 2966 fps | 98.9% |
| Vihtavuori N135 | <<locked>> | 82% | 54,766 psi | 86% | 2841 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 55,100 psi | 86% | 2858 fps | 100% |
| Vihtavuori N150 | <<locked>> | 88% | 55,796 psi | 87% | 2900 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 54,650 psi | 86% | 2953 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 53,447 psi | 84% | 2940 fps | 98.5% |
| Vihtavuori N540 | <<locked>> | 84% | 56,855 psi | 89% | 2904 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 57,334 psi | 90% | 3009 fps | 100% |
| Vihtavuori N555 | <<locked>> | 98% | 54,476 psi | 85% | 3015 fps | 100% |
| Vihtavuori N560 | <<locked>> | 98% | 55,303 psi | 87% | 3084 fps | 97% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 54,259 psi | 85% | 2917 fps | 100% |
| Winchester 760 | <<locked>> | 90% | 56,231 psi | 88% | 3031 fps | 99.5% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 47,514 psi | 74% | 3051 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 57,522 psi | 90% | 2976 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 54,273 psi | 85% | 2959 fps | 98.2% |
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 2495 | <<locked>> | 80% | 51,924 psi | 81% | 2802 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 50,096 psi | 79% | 2818 fps | 98.1% |
| Accurate 3100 | <<locked>> | 86% | 33,808 psi | 53% | 2562 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 49,240 psi | 77% | 2812 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 37,521 psi | 59% | 2667 fps | 98.3% |
| Accurate MAGPRO | <<locked>> | 96% | 50,183 psi | 79% | 2992 fps | 95.1% |
| ADI AR 2208 | <<locked>> | 80% | 46,731 psi | 73% | 2789 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 41,945 psi | 66% | 2772 fps | 95.1% |
| ADI AR 2213 | <<locked>> | 96% | 49,124 psi | 77% | 2943 fps | 95.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 52,069 psi | 82% | 3012 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 47,210 psi | 74% | 2815 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 50,401 psi | 79% | 2884 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 36,782 psi | 58% | 2687 fps | 98.4% |
| Alliant Reloder-17 | <<locked>> | 80% | 41,945 psi | 66% | 2815 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 41,669 psi | 65% | 2766 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 92% | 41,959 psi | 66% | 2818 fps | 95.5% |
| Alliant Reloder-23 | <<locked>> | 80% | 26,760 psi | 42% | 2425 fps | 96% |
| Alliant Reloder-25 | <<locked>> | 90% | 32,590 psi | 51% | 2608 fps | 95.4% |
| Alliant Reloder-26 | 69 gr | 82% | 30,719 psi | 48% | 2595 fps | 95.4% |
| Bofors RP15 | <<locked>> | 94% | 41,394 psi | 65% | 2802 fps | 95.1% |
| Bofors RP3 | <<locked>> | 80% | 47,471 psi | 74% | 2822 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 41,959 psi | 66% | 2818 fps | 95.5% |
| Bofors RP7 | <<locked>> | 80% | 41,771 psi | 65% | 2694 fps | 96.4% |
| Hodgdon H380 | <<locked>> | 80% | 47,921 psi | 75% | 2838 fps | 99.6% |
| Hodgdon H414 | 64.3 gr | 80% | 39,842 psi | 62% | 2723 fps | 96.4% |
| Hodgdon H4350 | <<locked>> | 80% | 42,743 psi | 67% | 2746 fps | 95.9% |
| Hodgdon H4831 | <<locked>> | 94% | 49,197 psi | 77% | 2890 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 96% | 51,605 psi | 81% | 2933 fps | 95.8% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 34,287 psi | 54% | 2575 fps | 98.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 52,504 psi | 82% | 2933 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 98% | 41,292 psi | 65% | 2877 fps | 95.7% |
| Hodgdon Superformance | <<locked>> | 80% | 38,725 psi | 61% | 2730 fps | 95.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,093 psi | 42% | 1660 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 53,214 psi | 83% | 2897 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 49,168 psi | 77% | 2825 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 51,358 psi | 80% | 2854 fps | 98.8% |
| IMR 4350 | <<locked>> | 80% | 37,449 psi | 59% | 2615 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 80% | 43,294 psi | 68% | 2726 fps | 97.2% |
| IMR 4831 | <<locked>> | 80% | 36,158 psi | 57% | 2621 fps | 98% |
| IMR 4895 | <<locked>> | 80% | 51,706 psi | 81% | 2913 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 47,718 psi | 75% | 2828 fps | 95% |
| IMR 7828 SSC | <<locked>> | 96% | 46,775 psi | 73% | 2913 fps | 95.3% |
| Lovex S060 | <<locked>> | 80% | 53,737 psi | 84% | 2864 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 49,226 psi | 77% | 2818 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 40,654 psi | 64% | 2674 fps | 97.9% |
| Lovex S070 | <<locked>> | 80% | 38,914 psi | 61% | 2651 fps | 96.3% |
| Lovex S071 | <<locked>> | 90% | 32,721 psi | 51% | 2536 fps | 95% |
| Norma 201 | <<locked>> | 80% | 53,664 psi | 84% | 2881 fps | 100% |
| Norma 203B | <<locked>> | 80% | 49,748 psi | 78% | 2871 fps | 100% |
| Norma 204 | <<locked>> | 84% | 42,424 psi | 66% | 2762 fps | 95.2% |
| Norma MRP | 71.9 gr | 88% | 38,406 psi | 60% | 2766 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 37,623 psi | 59% | 2671 fps | 98.2% |
| Ramshot Big Game | <<locked>> | 80% | 50,357 psi | 79% | 2894 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 46,760 psi | 73% | 2923 fps | 95.7% |
| Ramshot Hunter | <<locked>> | 80% | 36,477 psi | 57% | 2654 fps | 96.3% |
| Ramshot Magnum | <<locked>> | 94% | 38,551 psi | 60% | 2723 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,557 psi | 43% | 1699 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 48,066 psi | 75% | 2822 fps | 98.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 44,614 psi | 70% | 2874 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 37,492 psi | 59% | 2690 fps | 98% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 36,434 psi | 57% | 2697 fps | 97.4% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 38,319 psi | 60% | 2795 fps | 95.8% |
| Rottweil R 902 | <<locked>> | 80% | 51,053 psi | 80% | 2831 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 44,744 psi | 70% | 2769 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 46,572 psi | 73% | 2815 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 88% | 40,712 psi | 64% | 2749 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 80% | 41,771 psi | 65% | 2694 fps | 96.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 40,654 psi | 64% | 2674 fps | 97.9% |
| Shooters World Precision | <<locked>> | 80% | 49,226 psi | 77% | 2818 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 38,914 psi | 61% | 2651 fps | 96.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 46,137 psi | 72% | 2828 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 53,635 psi | 84% | 2913 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 45,992 psi | 72% | 2674 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 39,769 psi | 62% | 2615 fps | 96.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 40,350 psi | 63% | 2743 fps | 95% |
| Somchem S335 | <<locked>> | 80% | 54,201 psi | 85% | 2808 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 45,049 psi | 71% | 2769 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 51,010 psi | 80% | 2861 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 33,982 psi | 53% | 2621 fps | 99.7% |
| Somchem S385 | <<locked>> | 86% | 38,638 psi | 61% | 2674 fps | 95.4% |
| Vihtavuori N135 | <<locked>> | 80% | 51,329 psi | 80% | 2792 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 51,779 psi | 81% | 2812 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 43,091 psi | 68% | 2697 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 38,928 psi | 61% | 2667 fps | 98.5% |
| Vihtavuori N165 | <<locked>> | 92% | 40,669 psi | 64% | 2707 fps | 95.6% |
| Vihtavuori N540 | <<locked>> | 80% | 49,966 psi | 78% | 2802 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,421 psi | 60% | 2671 fps | 98.2% |
| Vihtavuori N555 | <<locked>> | 80% | 29,486 psi | 46% | 2500 fps | 96.1% |
| Vihtavuori N560 | <<locked>> | 94% | 47,964 psi | 75% | 2949 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 38,189 psi | 60% | 2638 fps | 99.7% |
| Winchester 760 | <<locked>> | 80% | 39,842 psi | 62% | 2723 fps | 96.4% |
| Winchester StaBALL HD | <<locked>> | 82% | 25,150 psi | 39% | 2444 fps | 95.6% |
| Winchester StaBALL Match | <<locked>> | 80% | 53,621 psi | 84% | 2917 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 43,845 psi | 69% | 2776 fps | 95.9% |
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 100 powders for 7.62 UKM loaded with the .308 | 168gr | Hasler Hunting. Alliant Reloder-26 delivers the highest muzzle velocity at 3,140 fps; across all powders the maximum-charge window runs from 1,857 fps to 3,140 fps. Accurate 3100 gives the best case fill at 100 %, and 100 of the 100 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 56–90 %, leaving at least 10 % headroom. The 168.0 gr projectile in 0.308" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, ADI AR 2213, ADI AR 2217 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-26, Norma MRP, Hodgdon H414 rank at the top here: for 7.62 UKM with the .308 | 168gr | Hasler Hunting they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, ADI AR 2217, ADI AR 2225, Baschieri & Pellagri 109 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.