Load Specifications
Load data in caliber .300 PRC with .308 | 200gr | CutEdge LZR bullet and 77 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Winchester StaBALL HD, IMR 7828 SSC and Vihtavuori N560.
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 3100 | <<locked>> | 96% | 58,305 psi | 90% | 2808 fps | 100% |
| Accurate 4350 | <<locked>> | 86% | 55,999 psi | 86% | 2789 fps | 100% |
| Accurate MAGPRO | <<locked>> | 94% | 57,203 psi | 88% | 2913 fps | 98.5% |
| ADI AR 2208 | <<locked>> | 82% | 57,188 psi | 88% | 2746 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 57,145 psi | 88% | 2851 fps | 99.7% |
| ADI AR 2213 | <<locked>> | 96% | 58,740 psi | 90% | 2917 fps | 99.4% |
| ADI AR 2217ᴾ | <<locked>> | 100% | 48,965 psi | 75% | 2756 fps | 98.3% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,453 psi | 67% | 2713 fps | 99.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 58,610 psi | 90% | 2769 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 57,348 psi | 88% | 2848 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 58,421 psi | 90% | 2858 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 56,536 psi | 87% | 2841 fps | 99.7% |
| Alliant Reloder-22 | <<locked>> | 96% | 58,537 psi | 90% | 2907 fps | 99.9% |
| Alliant Reloder-23 | <<locked>> | 96% | 55,796 psi | 86% | 2818 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 55,100 psi | 85% | 2881 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 92% | 56,362 psi | 87% | 2910 fps | 100% |
| Baschieri & Pellagri 109 | <<locked>> | 96% | 56,608 psi | 87% | 2822 fps | 96.8% |
| Bofors RP15 | <<locked>> | 98% | 57,421 psi | 88% | 2890 fps | 99.8% |
| Bofors RP30ᴾ | <<locked>> | 100% | 51,126 psi | 79% | 2825 fps | 98.9% |
| Bofors RP5 | <<locked>> | 96% | 58,537 psi | 90% | 2907 fps | 99.9% |
| Bofors RP7 | <<locked>> | 86% | 58,465 psi | 90% | 2792 fps | 100% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 54,128 psi | 83% | 2844 fps | 99.5% |
| Hodgdon H414 | <<locked>> | 86% | 57,870 psi | 89% | 2844 fps | 100% |
| Hodgdon H4350 | <<locked>> | 84% | 56,898 psi | 88% | 2805 fps | 99.8% |
| Hodgdon H4831 | <<locked>> | 94% | 58,450 psi | 90% | 2851 fps | 98.9% |
| Hodgdon H4831 SC | <<locked>> | 94% | 57,261 psi | 88% | 2835 fps | 98.8% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 57,464 psi | 88% | 2769 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 54,070 psi | 83% | 2953 fps | 100% |
| Hodgdon Superformance | <<locked>> | 86% | 58,697 psi | 90% | 2887 fps | 100% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,072 psi | 57% | 1732 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 56,521 psi | 87% | 2779 fps | 99.9% |
| IMR 4451 Enduron | <<locked>> | 84% | 56,579 psi | 87% | 2766 fps | 100% |
| IMR 4831 | <<locked>> | 88% | 56,478 psi | 87% | 2782 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 55,811 psi | 86% | 2779 fps | 98.7% |
| IMR 7828 SSC | <<locked>> | 96% | 56,478 psi | 87% | 2894 fps | 99.2% |
| Lovex S065 | <<locked>> | 86% | 57,000 psi | 88% | 2759 fps | 100% |
| Lovex S070 | <<locked>> | 88% | 58,552 psi | 90% | 2805 fps | 100% |
| Lovex S071ᴾ | <<locked>> | 100% | 55,695 psi | 86% | 2776 fps | 100% |
| Norma 204 | <<locked>> | 88% | 57,798 psi | 89% | 2838 fps | 99.7% |
| Norma 217ᴾ | <<locked>> | 100% | 38,885 psi | 60% | 2635 fps | 98% |
| Norma MRP | <<locked>> | 94% | 58,421 psi | 90% | 2927 fps | 100% |
| Norma URP | <<locked>> | 88% | 58,117 psi | 89% | 2822 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 57,159 psi | 88% | 2913 fps | 99.5% |
| Ramshot Hunter | <<locked>> | 88% | 57,188 psi | 88% | 2835 fps | 100% |
| Ramshot Magnum | <<locked>> | 98% | 55,463 psi | 85% | 2848 fps | 99.9% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,811 psi | 58% | 1772 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 58,102 psi | 89% | 2841 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 56,028 psi | 86% | 2812 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 58,682 psi | 90% | 2897 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 54,839 psi | 84% | 2949 fps | 100% |
| ReloadSwiss RS 80ᴾ | <<locked>> | 100% | 49,501 psi | 76% | 2835 fps | 97.4% |
| Rottweil R 903 | <<locked>> | 82% | 56,072 psi | 86% | 2733 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 58,189 psi | 90% | 2818 fps | 99.3% |
| Rottweil R 905 | <<locked>> | 92% | 55,956 psi | 86% | 2828 fps | 99.7% |
| Rottweil R 907 | <<locked>> | 86% | 58,465 psi | 90% | 2792 fps | 100% |
| Shooters World Long Rifle | <<locked>> | 86% | 57,000 psi | 88% | 2759 fps | 100% |
| Shooters World SW4350 | <<locked>> | 88% | 58,552 psi | 90% | 2805 fps | 100% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 57,798 psi | 89% | 2795 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 56,057 psi | 86% | 2608 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 56,101 psi | 86% | 2713 fps | 100% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 55,521 psi | 85% | 2825 fps | 99.7% |
| Somchem S355 | <<locked>> | 82% | 55,811 psi | 86% | 2730 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 55,999 psi | 86% | 2759 fps | 98.5% |
| Somchem S365 | <<locked>> | 90% | 58,668 psi | 90% | 2822 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 56,376 psi | 87% | 2802 fps | 99.9% |
| Vihtavuori N150 | <<locked>> | 84% | 57,029 psi | 88% | 2700 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 56,405 psi | 87% | 2766 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 55,927 psi | 86% | 2782 fps | 99.8% |
| Vihtavuori N550 | <<locked>> | 86% | 55,419 psi | 85% | 2772 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 58,030 psi | 89% | 2844 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 58,247 psi | 90% | 2927 fps | 99.1% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 57,856 psi | 89% | 2904 fps | 99.2% |
| Vihtavuori N568ᴾ | <<locked>> | 100% | 50,589 psi | 78% | 2838 fps | 97.1% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 55,854 psi | 86% | 2726 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 58,102 psi | 89% | 2848 fps | 100% |
| Winchester StaBALL HD | <<locked>> | 98% | 57,682 psi | 89% | 2953 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 56,318 psi | 87% | 2799 fps | 99.6% |
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% | 33,634 psi | 52% | 2375 fps | 97.5% |
| Accurate 4350 | <<locked>> | 80% | 45,440 psi | 70% | 2625 fps | 100% |
| Accurate MAGPRO | <<locked>> | 86% | 42,989 psi | 66% | 2664 fps | 95.4% |
| ADI AR 2208 | <<locked>> | 80% | 53,693 psi | 83% | 2697 fps | 100% |
| ADI AR 2209 | <<locked>> | 80% | 38,101 psi | 59% | 2510 fps | 96.3% |
| ADI AR 2213 | <<locked>> | 84% | 38,798 psi | 60% | 2552 fps | 95% |
| ADI AR 2217 | <<locked>> | 94% | 39,987 psi | 62% | 2575 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 90% | 31,198 psi | 48% | 2411 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 55,027 psi | 85% | 2720 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 43,816 psi | 67% | 2635 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 80% | 50,734 psi | 78% | 2749 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 80% | 38,043 psi | 59% | 2503 fps | 96.3% |
| Alliant Reloder-22 | <<locked>> | 82% | 36,274 psi | 56% | 2500 fps | 95.8% |
| Alliant Reloder-23 | <<locked>> | 80% | 32,503 psi | 50% | 2408 fps | 99.7% |
| Alliant Reloder-25 | <<locked>> | 80% | 28,253 psi | 43% | 2316 fps | 95.8% |
| Alliant Reloder-26 | <<locked>> | 80% | 35,534 psi | 55% | 2539 fps | 99.2% |
| Baschieri & Pellagri 109 | <<locked>> | 92% | 49,821 psi | 77% | 2707 fps | 95.2% |
| Bofors RP15 | <<locked>> | 84% | 35,984 psi | 55% | 2493 fps | 95.5% |
| Bofors RP30 | <<locked>> | 92% | 38,696 psi | 60% | 2589 fps | 95.9% |
| Bofors RP5 | <<locked>> | 82% | 36,274 psi | 56% | 2500 fps | 95.8% |
| Bofors RP7 | <<locked>> | 80% | 48,327 psi | 74% | 2631 fps | 99.3% |
| Hodgdon H1000 | <<locked>> | 90% | 38,247 psi | 59% | 2543 fps | 95.9% |
| Hodgdon H414 | <<locked>> | 80% | 47,340 psi | 73% | 2677 fps | 99.5% |
| Hodgdon H4350 | <<locked>> | 80% | 49,937 psi | 77% | 2694 fps | 99.2% |
| Hodgdon H4831 | <<locked>> | 84% | 41,611 psi | 64% | 2562 fps | 95.4% |
| Hodgdon H4831 SC | <<locked>> | 84% | 40,741 psi | 63% | 2546 fps | 95.1% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,263 psi | 63% | 2523 fps | 100% |
| Hodgdon Retumbo | <<locked>> | 86% | 33,721 psi | 52% | 2513 fps | 95.2% |
| Hodgdon Superformance | <<locked>> | 80% | 46,992 psi | 72% | 2703 fps | 99.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,688 psi | 43% | 1545 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 43,918 psi | 68% | 2569 fps | 98.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,734 psi | 77% | 2657 fps | 99.7% |
| IMR 4831 | <<locked>> | 80% | 43,366 psi | 67% | 2575 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 82% | 40,553 psi | 62% | 2507 fps | 95.3% |
| IMR 7828 SSC | 70.2 gr | 86% | 39,943 psi | 61% | 2592 fps | 95.6% |
| Lovex S065 | <<locked>> | 80% | 47,210 psi | 73% | 2608 fps | 99.9% |
| Lovex S070 | <<locked>> | 80% | 45,469 psi | 70% | 2598 fps | 99.4% |
| Lovex S071 | <<locked>> | 80% | 28,892 psi | 44% | 2257 fps | 95.6% |
| Norma 204 | <<locked>> | 80% | 43,787 psi | 67% | 2605 fps | 97.7% |
| Norma 217 | <<locked>> | 94% | 31,720 psi | 49% | 2457 fps | 95.1% |
| Norma MRP | <<locked>> | 80% | 35,273 psi | 54% | 2507 fps | 97% |
| Norma URP | <<locked>> | 80% | 44,773 psi | 69% | 2615 fps | 100% |
| Ramshot Grand | <<locked>> | 86% | 39,552 psi | 61% | 2598 fps | 95.9% |
| Ramshot Hunter | <<locked>> | 80% | 43,569 psi | 67% | 2612 fps | 99.5% |
| Ramshot Magnum | <<locked>> | 84% | 32,735 psi | 50% | 2415 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,253 psi | 43% | 1585 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 54,041 psi | 83% | 2789 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,484 psi | 70% | 2648 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,918 psi | 68% | 2671 fps | 100% |
| ReloadSwiss RS 76 | <<locked>> | 86% | 32,692 psi | 50% | 2487 fps | 96.1% |
| ReloadSwiss RS 80 | <<locked>> | 96% | 42,308 psi | 65% | 2697 fps | 95.3% |
| Rottweil R 903 | <<locked>> | 80% | 52,547 psi | 81% | 2684 fps | 100% |
| Rottweil R 904 | <<locked>> | 80% | 39,436 psi | 61% | 2490 fps | 95.5% |
| Rottweil R 905 | <<locked>> | 80% | 37,275 psi | 57% | 2487 fps | 96.3% |
| Rottweil R 907 | <<locked>> | 80% | 48,327 psi | 74% | 2631 fps | 99.3% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,210 psi | 73% | 2608 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 80% | 45,469 psi | 70% | 2598 fps | 99.4% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 54,056 psi | 83% | 2740 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 52,794 psi | 81% | 2566 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,253 psi | 71% | 2559 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 80% | 36,956 psi | 57% | 2480 fps | 96.1% |
| Somchem S355 | <<locked>> | 80% | 52,402 psi | 81% | 2680 fps | 100% |
| Somchem S361 | <<locked>> | 82% | 42,830 psi | 66% | 2536 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 41,814 psi | 64% | 2572 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 37,768 psi | 58% | 2470 fps | 97.3% |
| Vihtavuori N150 | <<locked>> | 80% | 50,154 psi | 77% | 2608 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,238 psi | 71% | 2612 fps | 100% |
| Vihtavuori N165 | <<locked>> | 80% | 32,677 psi | 50% | 2349 fps | 95% |
| Vihtavuori N550 | <<locked>> | 80% | 45,484 psi | 70% | 2615 fps | 100% |
| Vihtavuori N555 | <<locked>> | 80% | 36,376 psi | 56% | 2477 fps | 99.6% |
| Vihtavuori N560 | 71.2 gr | 84% | 40,973 psi | 63% | 2621 fps | 95.4% |
| Vihtavuori N565 | <<locked>> | 90% | 40,886 psi | 63% | 2605 fps | 95.7% |
| Vihtavuori N568 | <<locked>> | 96% | 43,816 psi | 67% | 2710 fps | 95.2% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 45,411 psi | 70% | 2575 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 47,514 psi | 73% | 2680 fps | 99.5% |
| Winchester StaBALL HD | 67.1 gr | 80% | 28,689 psi | 44% | 2421 fps | 99.8% |
| Winchester Supreme 780 | <<locked>> | 80% | 34,490 psi | 53% | 2395 fps | 95% |
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 82 powders for .300 PRC loaded with the .308 | 200gr | CutEdge LZR. Hodgdon Retumbo delivers the highest muzzle velocity at 2,953 fps; across all powders the maximum-charge window runs from 1,732 fps to 2,953 fps. ADI AR 2217 gives the best case fill at 100 %, and 82 of the 82 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 200.0 gr projectile in 0.308" calls for a 1:9.0 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. Winchester StaBALL HD, IMR 7828 SSC, Vihtavuori N560 rank at the top here: for .300 PRC with the .308 | 200gr | CutEdge LZR 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.