Load Specifications
Load data in caliber .300 PRC with .308 | 190gr | Berger VLD Target bullet and 74 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N560, Ramshot Grand and Accurate MAGPRO.
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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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 57,421 psi | 88% | 2871 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 58,653 psi | 90% | 2900 fps | 100% |
| Accurate MAGPRO | <<locked>> | 92% | 56,115 psi | 86% | 2969 fps | 98.2% |
| ADI AR 2209 | <<locked>> | 90% | 55,564 psi | 85% | 2900 fps | 99.5% |
| ADI AR 2213 | <<locked>> | 94% | 57,232 psi | 88% | 2969 fps | 99.1% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 51,271 psi | 79% | 2867 fps | 98.6% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 45,847 psi | 71% | 2825 fps | 99.7% |
| Alliant Reloder-16 | <<locked>> | 86% | 55,869 psi | 86% | 2900 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 82% | 56,855 psi | 87% | 2910 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 90% | 55,274 psi | 85% | 2894 fps | 99.5% |
| Alliant Reloder-22 | <<locked>> | 94% | 57,305 psi | 88% | 2963 fps | 99.7% |
| Alliant Reloder-23 | <<locked>> | 96% | 58,537 psi | 90% | 2927 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 58,030 psi | 89% | 2992 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 90% | 55,361 psi | 85% | 2966 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 58,508 psi | 90% | 2923 fps | 97% |
| Bofors RP15 | <<locked>> | 96% | 56,246 psi | 87% | 2946 fps | 99.6% |
| Bofors RP30ᴾ | <<locked>> | 100% | 54,027 psi | 83% | 2940 fps | 99.1% |
| Bofors RP5 | <<locked>> | 94% | 57,305 psi | 88% | 2963 fps | 99.7% |
| Bofors RP7 | <<locked>> | 84% | 57,043 psi | 88% | 2848 fps | 99.9% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 56,652 psi | 87% | 2956 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 84% | 56,478 psi | 87% | 2900 fps | 100% |
| Hodgdon H4350 | <<locked>> | 82% | 55,274 psi | 85% | 2854 fps | 99.6% |
| Hodgdon H4831 | <<locked>> | 92% | 57,087 psi | 88% | 2907 fps | 98.6% |
| Hodgdon H4831 SC | <<locked>> | 92% | 55,782 psi | 86% | 2884 fps | 98.4% |
| Hodgdon Hybrid 100V | <<locked>> | 88% | 56,173 psi | 86% | 2825 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 56,797 psi | 87% | 3071 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 57,116 psi | 88% | 2940 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,159 psi | 57% | 1798 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 58,624 psi | 90% | 2884 fps | 100% |
| IMR 4451 Enduron | <<locked>> | 84% | 58,276 psi | 90% | 2867 fps | 100% |
| IMR 4831 | <<locked>> | 88% | 58,755 psi | 90% | 2887 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 57,957 psi | 89% | 2887 fps | 98.8% |
| IMR 7828 SSC | <<locked>> | 94% | 55,201 psi | 85% | 2946 fps | 98.9% |
| IMR 8133 Enduronᴾ | <<locked>> | 100% | 41,481 psi | 64% | 2726 fps | 96.3% |
| Lovex S065 | <<locked>> | 84% | 55,579 psi | 86% | 2812 fps | 100% |
| Lovex S070 | <<locked>> | 86% | 57,290 psi | 88% | 2864 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 58,537 psi | 90% | 2887 fps | 100% |
| Norma 204 | <<locked>> | 86% | 56,028 psi | 86% | 2887 fps | 99.5% |
| Norma 217ᴾ | <<locked>> | 100% | 41,727 psi | 64% | 2756 fps | 98.5% |
| Norma MRP | <<locked>> | 92% | 57,217 psi | 88% | 2982 fps | 100% |
| Norma URP | <<locked>> | 86% | 56,855 psi | 87% | 2881 fps | 100% |
| Ramshot Grand | <<locked>> | 94% | 55,869 psi | 86% | 2966 fps | 99.3% |
| Ramshot Hunter | <<locked>> | 86% | 55,680 psi | 86% | 2887 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 58,421 psi | 90% | 2959 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,087 psi | 59% | 1844 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 84% | 54,998 psi | 85% | 2867 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 86% | 57,000 psi | 88% | 2949 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 57,827 psi | 89% | 3068 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 52,721 psi | 81% | 2953 fps | 97.8% |
| Rottweil R 903 | <<locked>> | 82% | 58,508 psi | 90% | 2841 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 56,782 psi | 87% | 2874 fps | 99% |
| Rottweil R 905 | <<locked>> | 92% | 58,494 psi | 90% | 2940 fps | 99.8% |
| Rottweil R 907 | <<locked>> | 84% | 57,043 psi | 88% | 2848 fps | 99.9% |
| Shooters World Long Rifle | <<locked>> | 84% | 55,579 psi | 86% | 2812 fps | 100% |
| Shooters World SW4350 | <<locked>> | 86% | 57,290 psi | 88% | 2864 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 57,856 psi | 89% | 2707 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 58,378 psi | 90% | 2822 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 58,044 psi | 89% | 2933 fps | 99.8% |
| Somchem S355 | <<locked>> | 82% | 57,914 psi | 89% | 2831 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 58,262 psi | 90% | 2867 fps | 98.7% |
| Somchem S365 | <<locked>> | 88% | 57,551 psi | 89% | 2884 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 58,798 psi | 90% | 2907 fps | 100% |
| Vihtavuori N150 | <<locked>> | 82% | 55,637 psi | 86% | 2756 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 58,639 psi | 90% | 2871 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 58,407 psi | 90% | 2887 fps | 99.9% |
| Vihtavuori N550 | <<locked>> | 86% | 57,754 psi | 89% | 2877 fps | 100% |
| Vihtavuori N555 | <<locked>> | 92% | 57,101 psi | 88% | 2904 fps | 100% |
| Vihtavuori N560 | <<locked>> | 92% | 56,913 psi | 88% | 2979 fps | 98.8% |
| Vihtavuori N565 | <<locked>> | 98% | 57,058 psi | 88% | 2963 fps | 98.9% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 53,766 psi | 83% | 2959 fps | 97.5% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 58,305 psi | 90% | 2831 fps | 100% |
| Winchester 760 | <<locked>> | 84% | 56,695 psi | 87% | 2904 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 96% | 56,927 psi | 88% | 3015 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 92% | 55,042 psi | 85% | 2851 fps | 99.4% |
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 3100 | <<locked>> | 80% | 35,853 psi | 55% | 2484 fps | 97.9% |
| Accurate 4350 | <<locked>> | 80% | 47,848 psi | 74% | 2733 fps | 100% |
| Accurate MAGPRO | 78.8 gr | 86% | 45,411 psi | 70% | 2776 fps | 95.8% |
| ADI AR 2209 | <<locked>> | 80% | 39,914 psi | 61% | 2612 fps | 96.6% |
| ADI AR 2213 | <<locked>> | 84% | 40,770 psi | 63% | 2661 fps | 95.5% |
| ADI AR 2217 | <<locked>> | 92% | 39,305 psi | 60% | 2625 fps | 95.2% |
| ADI AR 2225 | <<locked>> | 90% | 33,199 psi | 51% | 2526 fps | 96.1% |
| Alliant Reloder-16 | <<locked>> | 80% | 45,745 psi | 70% | 2736 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 53,011 psi | 82% | 2854 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 39,856 psi | 61% | 2605 fps | 96.6% |
| Alliant Reloder-22 | <<locked>> | 80% | 35,795 psi | 55% | 2546 fps | 95.2% |
| Alliant Reloder-23 | <<locked>> | 80% | 34,447 psi | 53% | 2510 fps | 99.8% |
| Alliant Reloder-25 | <<locked>> | 80% | 29,994 psi | 46% | 2421 fps | 96.4% |
| Alliant Reloder-26 | <<locked>> | 80% | 37,898 psi | 58% | 2651 fps | 99.4% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 51,779 psi | 80% | 2812 fps | 95.5% |
| Bofors RP15 | <<locked>> | 82% | 35,636 psi | 55% | 2539 fps | 95% |
| Bofors RP30 | <<locked>> | 90% | 38,464 psi | 59% | 2641 fps | 95.4% |
| Bofors RP5 | <<locked>> | 80% | 35,795 psi | 55% | 2546 fps | 95.2% |
| Bofors RP7 | <<locked>> | 80% | 50,299 psi | 77% | 2736 fps | 99.4% |
| Hodgdon H1000 | <<locked>> | 88% | 37,594 psi | 58% | 2585 fps | 95.3% |
| Hodgdon H414 | <<locked>> | 80% | 49,385 psi | 76% | 2785 fps | 99.6% |
| Hodgdon H4350 | <<locked>> | 80% | 51,924 psi | 80% | 2799 fps | 99.3% |
| Hodgdon H4831 | <<locked>> | 84% | 43,598 psi | 67% | 2667 fps | 95.7% |
| Hodgdon H4831 SC | <<locked>> | 84% | 42,757 psi | 66% | 2651 fps | 95.4% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 43,265 psi | 67% | 2625 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 35,607 psi | 55% | 2621 fps | 95.8% |
| Hodgdon Superformance | <<locked>> | 80% | 49,153 psi | 76% | 2812 fps | 99.5% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,862 psi | 43% | 1608 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 45,730 psi | 70% | 2671 fps | 98.9% |
| IMR 4451 Enduron | <<locked>> | 80% | 51,517 psi | 79% | 2759 fps | 99.7% |
| IMR 4831 | <<locked>> | 80% | 45,498 psi | 70% | 2680 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 42,293 psi | 65% | 2608 fps | 95.5% |
| IMR 7828 SSC | <<locked>> | 84% | 39,247 psi | 60% | 2638 fps | 95% |
| IMR 8133 Enduron | <<locked>> | 98% | 38,783 psi | 60% | 2667 fps | 95.3% |
| Lovex S065 | <<locked>> | 80% | 49,095 psi | 76% | 2707 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 47,543 psi | 73% | 2703 fps | 99.5% |
| Lovex S071 | <<locked>> | 80% | 30,966 psi | 48% | 2365 fps | 96.2% |
| Norma 204 | <<locked>> | 80% | 45,832 psi | 71% | 2710 fps | 98% |
| Norma 217 | <<locked>> | 94% | 34,084 psi | 52% | 2572 fps | 95.9% |
| Norma MRP | <<locked>> | 80% | 37,420 psi | 58% | 2612 fps | 97.3% |
| Norma URP | <<locked>> | 80% | 46,876 psi | 72% | 2723 fps | 100% |
| Ramshot Grand | 74.9 gr | 84% | 38,943 psi | 60% | 2644 fps | 95.3% |
| Ramshot Hunter | <<locked>> | 80% | 45,701 psi | 70% | 2720 fps | 99.6% |
| Ramshot Magnum | <<locked>> | 84% | 34,751 psi | 53% | 2523 fps | 95.8% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,587 psi | 44% | 1647 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 47,805 psi | 74% | 2753 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 45,948 psi | 71% | 2772 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 84% | 32,445 psi | 50% | 2530 fps | 95.5% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 45,179 psi | 70% | 2815 fps | 95.9% |
| Rottweil R 903 | <<locked>> | 80% | 54,897 psi | 84% | 2792 fps | 100% |
| Rottweil R 904 | <<locked>> | 80% | 41,220 psi | 63% | 2592 fps | 95.8% |
| Rottweil R 905 | <<locked>> | 80% | 39,276 psi | 60% | 2592 fps | 96.6% |
| Rottweil R 907 | <<locked>> | 80% | 50,299 psi | 77% | 2736 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 49,095 psi | 76% | 2707 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 47,543 psi | 73% | 2703 fps | 99.5% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 54,476 psi | 84% | 2664 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 48,138 psi | 74% | 2661 fps | 99.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 38,957 psi | 60% | 2585 fps | 96.5% |
| Somchem S355 | <<locked>> | 80% | 54,418 psi | 84% | 2782 fps | 100% |
| Somchem S361 | <<locked>> | 80% | 41,829 psi | 64% | 2579 fps | 95.2% |
| Somchem S365 | <<locked>> | 80% | 44,048 psi | 68% | 2677 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 39,856 psi | 61% | 2575 fps | 97.6% |
| Vihtavuori N150 | <<locked>> | 80% | 52,199 psi | 80% | 2710 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 48,196 psi | 74% | 2713 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 34,490 psi | 53% | 2448 fps | 95.4% |
| Vihtavuori N550 | <<locked>> | 80% | 47,543 psi | 73% | 2717 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 38,711 psi | 60% | 2589 fps | 99.8% |
| Vihtavuori N560 | 75.5 gr | 84% | 43,192 psi | 66% | 2726 fps | 95.8% |
| Vihtavuori N565 | <<locked>> | 88% | 40,625 psi | 63% | 2661 fps | 95.3% |
| Vihtavuori N568 | <<locked>> | 96% | 46,601 psi | 72% | 2828 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 47,398 psi | 73% | 2674 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 49,588 psi | 76% | 2789 fps | 99.6% |
| Winchester StaBALL HD | <<locked>> | 80% | 30,719 psi | 47% | 2533 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 80% | 36,376 psi | 56% | 2500 fps | 95.4% |
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 78 powders for .300 PRC loaded with the .308 | 190gr | Berger VLD Target. Hodgdon Retumbo delivers the highest muzzle velocity at 3,071 fps; across all powders the maximum-charge window runs from 1,798 fps to 3,071 fps. ADI AR 2217 gives the best case fill at 100 %, and 78 of the 78 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 190.0 gr projectile in 0.308" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. ADI AR 2217, ADI AR 2225, Alliant Reloder-25 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. Vihtavuori N560, Ramshot Grand, Accurate MAGPRO rank at the top here: for .300 PRC with the .308 | 190gr | Berger VLD Target they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Alliant Reloder-33, IMR 7977 Enduron, Vihtavuori N170 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.