Load Specifications
Bullet Manufacturer:Reichenberg
Bullet Weight:146 gr
Bullet Diameter:0.308"
Bullet Length:<<locked>>
Caliber:.300 PRC load data
Case Length (l3):2.58"
Cartridge Length (C.O.L.):<<locked>>
Case Capacity:99 Grains of Water
Primer Size:Large Rifle Magnum (LRM)
Barrel Length:24"
Max. allowed Pressure:65,000 psi
Recommended Twist Rate:1:16.5
Load data in caliber .300 PRC with .308 | 146gr | Reichenberg Spezial Jagd bullet and 98 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-26, Alliant Reloder-17 and Norma MRP.
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>> | 84% | 57,276 psi | 88% | 3097 fps | 100% |
| Accurate 2700 | <<locked>> | 84% | 55,434 psi | 85% | 3114 fps | 98% |
| Accurate 3100ᴾ | <<locked>> | 100% | 53,330 psi | 82% | 3143 fps | 99% |
| Accurate 4064 | <<locked>> | 86% | 57,841 psi | 89% | 3156 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 55,332 psi | 85% | 3209 fps | 99.9% |
| Accurate High Country | <<locked>> | 98% | 54,795 psi | 84% | 3297 fps | 96.3% |
| ADI AR 2206H | <<locked>> | 82% | 57,072 psi | 88% | 3192 fps | 100% |
| ADI AR 2208 | <<locked>> | 88% | 58,247 psi | 90% | 3196 fps | 100% |
| ADI AR 2209 | <<locked>> | 98% | 56,956 psi | 88% | 3258 fps | 97.6% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 58,218 psi | 90% | 3333 fps | 100% |
| Alliant Power Pro Varmint | <<locked>> | 98% | 56,869 psi | 87% | 3251 fps | 97.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 55,579 psi | 86% | 3166 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 55,608 psi | 86% | 3186 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 94% | 56,275 psi | 87% | 3278 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 90% | 58,117 psi | 89% | 3307 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 56,057 psi | 86% | 3238 fps | 97.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 53,316 psi | 82% | 3235 fps | 97.2% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 50,314 psi | 77% | 3169 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 43,555 psi | 67% | 3068 fps | 98.1% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 58,668 psi | 90% | 3389 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 57,203 psi | 88% | 3209 fps | 100% |
| Bofors RP3 | <<locked>> | 86% | 56,246 psi | 87% | 3179 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 53,316 psi | 82% | 3235 fps | 97.2% |
| Bofors RP7 | <<locked>> | 90% | 55,782 psi | 86% | 3159 fps | 98.3% |
| Hodgdon H380 | <<locked>> | 86% | 56,811 psi | 87% | 3199 fps | 99.8% |
| Hodgdon H414 | <<locked>> | 92% | 58,044 psi | 89% | 3271 fps | 99% |
| Hodgdon H4350 | <<locked>> | 90% | 57,653 psi | 89% | 3228 fps | 98% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 58,682 psi | 90% | 3251 fps | 96% |
| Hodgdon H4895 | <<locked>> | 82% | 57,725 psi | 89% | 3205 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 56,768 psi | 87% | 3196 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 58,291 psi | 90% | 3238 fps | 100% |
| Hodgdon Superformance | <<locked>> | 90% | 54,491 psi | 84% | 3238 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,071 psi | 55% | 2014 fps | 100% |
| Hodgdon VARGET | <<locked>> | 82% | 55,114 psi | 85% | 3146 fps | 100% |
| IMR 3031 | <<locked>> | 82% | 58,320 psi | 90% | 3179 fps | 100% |
| IMR 4064 | <<locked>> | 86% | 57,711 psi | 89% | 3179 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 84% | 56,855 psi | 87% | 3159 fps | 98.8% |
| IMR 4350 | <<locked>> | 94% | 57,043 psi | 88% | 3196 fps | 98.5% |
| IMR 4451 Enduron | <<locked>> | 90% | 57,595 psi | 89% | 3192 fps | 98.9% |
| IMR 4831 | <<locked>> | 94% | 55,956 psi | 86% | 3202 fps | 99.9% |
| IMR 4895 | <<locked>> | 84% | 57,087 psi | 88% | 3219 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 57,537 psi | 89% | 3163 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 55,811 psi | 86% | 3110 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 57,870 psi | 89% | 3173 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 57,493 psi | 88% | 3186 fps | 99.6% |
| Lovex S070 | <<locked>> | 92% | 55,419 psi | 85% | 3173 fps | 98.8% |
| Lovex S071ᴾ | <<locked>> | 100% | 43,990 psi | 68% | 2969 fps | 97.3% |
| Norma 201 | <<locked>> | 82% | 55,390 psi | 85% | 3127 fps | 100% |
| Norma 202 | <<locked>> | 82% | 56,304 psi | 87% | 3127 fps | 100% |
| Norma 203B | <<locked>> | 86% | 58,610 psi | 90% | 3228 fps | 100% |
| Norma 204 | <<locked>> | 94% | 58,146 psi | 89% | 3251 fps | 97.7% |
| Norma MRPᴾ | <<locked>> | 100% | 56,985 psi | 88% | 3333 fps | 99% |
| Norma URP | <<locked>> | 94% | 58,030 psi | 89% | 3258 fps | 100% |
| Ramshot Big Game | <<locked>> | 84% | 56,072 psi | 86% | 3199 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 56,855 psi | 87% | 3251 fps | 99.4% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 46,528 psi | 72% | 3077 fps | 96.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,767 psi | 57% | 2064 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 56,927 psi | 88% | 3179 fps | 99.2% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 56,811 psi | 87% | 3261 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 57,479 psi | 88% | 3301 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 55,622 psi | 86% | 3235 fps | 99.9% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 58,218 psi | 90% | 3330 fps | 100% |
| Rottweil R 902 | <<locked>> | 84% | 56,173 psi | 86% | 3130 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 56,304 psi | 87% | 3173 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 58,450 psi | 90% | 3225 fps | 96.8% |
| Rottweil R 905 | <<locked>> | 98% | 55,259 psi | 85% | 3225 fps | 97.5% |
| Rottweil R 907 | <<locked>> | 90% | 55,782 psi | 86% | 3159 fps | 98.3% |
| Shooters World Long Rifle | <<locked>> | 92% | 57,493 psi | 88% | 3186 fps | 99.6% |
| Shooters World Match Rifle | <<locked>> | 82% | 57,537 psi | 89% | 3163 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 57,870 psi | 89% | 3173 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 55,419 psi | 85% | 3173 fps | 98.8% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 58,465 psi | 90% | 3245 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 58,479 psi | 90% | 3199 fps | 99.9% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 55,506 psi | 85% | 3159 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 56,434 psi | 87% | 3061 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 57,566 psi | 89% | 3061 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 57,537 psi | 89% | 3136 fps | 98.9% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 58,740 psi | 90% | 3284 fps | 98.1% |
| Somchem S335 | <<locked>> | 82% | 55,941 psi | 86% | 3051 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 58,160 psi | 89% | 3179 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 56,304 psi | 87% | 3169 fps | 100% |
| Somchem S365 | <<locked>> | 96% | 57,421 psi | 88% | 3258 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 55,840 psi | 86% | 3196 fps | 98.3% |
| Vihtavuori N133 | <<locked>> | 82% | 56,985 psi | 88% | 3041 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 56,608 psi | 87% | 3087 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 57,101 psi | 88% | 3104 fps | 100% |
| Vihtavuori N150 | <<locked>> | 90% | 57,914 psi | 89% | 3146 fps | 100% |
| Vihtavuori N160 | <<locked>> | 92% | 56,376 psi | 87% | 3192 fps | 99.9% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 51,619 psi | 79% | 3107 fps | 97.2% |
| Vihtavuori N540 | <<locked>> | 84% | 55,245 psi | 85% | 3097 fps | 100% |
| Vihtavuori N550 | <<locked>> | 92% | 55,463 psi | 85% | 3192 fps | 99.8% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 56,057 psi | 86% | 3251 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 57,261 psi | 88% | 3320 fps | 96.1% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 56,565 psi | 87% | 3159 fps | 100% |
| Winchester 760 | <<locked>> | 92% | 58,044 psi | 89% | 3271 fps | 99% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 45,440 psi | 70% | 3219 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 82% | 55,680 psi | 86% | 3166 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 56,275 psi | 87% | 3192 fps | 97.5% |
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% | 50,111 psi | 77% | 2992 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 48,501 psi | 75% | 2989 fps | 96.6% |
| Accurate 3100 | <<locked>> | 90% | 37,376 psi | 58% | 2822 fps | 95.2% |
| Accurate 4064 | <<locked>> | 80% | 47,514 psi | 73% | 2992 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 36,114 psi | 56% | 2818 fps | 96.6% |
| Accurate High Country | <<locked>> | 96% | 50,879 psi | 78% | 3222 fps | 95.3% |
| ADI AR 2206H | <<locked>> | 80% | 53,476 psi | 82% | 3133 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 45,382 psi | 70% | 2966 fps | 99.3% |
| ADI AR 2209 | <<locked>> | 92% | 46,412 psi | 71% | 3058 fps | 95% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 50,328 psi | 77% | 3196 fps | 99.8% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 46,485 psi | 72% | 3054 fps | 95.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 45,759 psi | 70% | 2992 fps | 99.9% |
| Alliant Reloder-15 | <<locked>> | 80% | 48,950 psi | 75% | 3068 fps | 99.7% |
| Alliant Reloder-16 | <<locked>> | 80% | 35,462 psi | 55% | 2835 fps | 96.7% |
| Alliant Reloder-17 | 71.1 gr | 80% | 40,364 psi | 62% | 2979 fps | 99.4% |
| Alliant Reloder-19 | <<locked>> | 92% | 45,919 psi | 71% | 3048 fps | 95.1% |
| Alliant Reloder-22 | <<locked>> | 96% | 46,427 psi | 71% | 3097 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 84% | 29,341 psi | 45% | 2667 fps | 95.6% |
| Alliant Reloder-25 | <<locked>> | 94% | 35,824 psi | 55% | 2867 fps | 95.1% |
| Alliant Reloder-26 | 78.3 gr | 86% | 34,229 psi | 53% | 2867 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 53,432 psi | 82% | 3143 fps | 99.8% |
| Bofors RP3 | <<locked>> | 80% | 45,890 psi | 71% | 2999 fps | 99.9% |
| Bofors RP5 | <<locked>> | 96% | 46,427 psi | 71% | 3097 fps | 95.4% |
| Bofors RP7 | <<locked>> | 82% | 43,192 psi | 66% | 2913 fps | 95.4% |
| Hodgdon H380 | <<locked>> | 80% | 46,311 psi | 71% | 3009 fps | 98.7% |
| Hodgdon H414 | <<locked>> | 82% | 41,176 psi | 63% | 2940 fps | 95.4% |
| Hodgdon H4350 | <<locked>> | 84% | 47,210 psi | 73% | 3035 fps | 95.8% |
| Hodgdon H4831 | <<locked>> | 98% | 54,737 psi | 84% | 3186 fps | 95.1% |
| Hodgdon H4895 | <<locked>> | 80% | 54,114 psi | 83% | 3143 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,953 psi | 51% | 2720 fps | 97.4% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 50,850 psi | 78% | 3120 fps | 100% |
| Hodgdon Superformance | <<locked>> | 84% | 43,482 psi | 67% | 3022 fps | 95.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,876 psi | 41% | 1804 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 51,648 psi | 79% | 3087 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 54,665 psi | 84% | 3127 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 47,703 psi | 73% | 3005 fps | 99.6% |
| IMR 4166 Enduron | <<locked>> | 80% | 49,980 psi | 77% | 3035 fps | 97.7% |
| IMR 4350 | <<locked>> | 86% | 43,961 psi | 68% | 2946 fps | 95.7% |
| IMR 4451 Enduron | <<locked>> | 80% | 42,032 psi | 65% | 2890 fps | 95.6% |
| IMR 4831 | <<locked>> | 80% | 34,766 psi | 53% | 2766 fps | 96.2% |
| IMR 4895 | <<locked>> | 80% | 50,241 psi | 77% | 3100 fps | 99.9% |
| Lovex D073.6 | <<locked>> | 80% | 53,606 psi | 82% | 3104 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 52,330 psi | 81% | 3054 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 47,732 psi | 73% | 3002 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 39,334 psi | 61% | 2831 fps | 96.3% |
| Lovex S070 | <<locked>> | 82% | 40,059 psi | 62% | 2861 fps | 95.3% |
| Lovex S071 | <<locked>> | 96% | 38,464 psi | 59% | 2848 fps | 95.7% |
| Norma 201 | <<locked>> | 80% | 52,054 psi | 80% | 3074 fps | 100% |
| Norma 202 | <<locked>> | 80% | 52,924 psi | 81% | 3074 fps | 100% |
| Norma 203B | <<locked>> | 80% | 48,283 psi | 74% | 3051 fps | 99.8% |
| Norma 204 | <<locked>> | 88% | 47,210 psi | 73% | 3051 fps | 95.2% |
| Norma MRP | 81.3 gr | 92% | 42,598 psi | 66% | 3045 fps | 95.7% |
| Norma URP | <<locked>> | 80% | 36,071 psi | 55% | 2815 fps | 96.4% |
| Ramshot Big Game | <<locked>> | 80% | 48,747 psi | 75% | 3074 fps | 99.8% |
| Ramshot Hunter | <<locked>> | 82% | 37,579 psi | 58% | 2861 fps | 95.1% |
| Ramshot Magnum | <<locked>> | 98% | 43,091 psi | 66% | 3002 fps | 95% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,398 psi | 42% | 1847 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 46,543 psi | 72% | 2992 fps | 97.5% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 53,055 psi | 82% | 3199 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 42,989 psi | 66% | 3045 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 36,027 psi | 55% | 2835 fps | 96.2% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 35,215 psi | 54% | 2838 fps | 95.3% |
| Rottweil R 902 | <<locked>> | 80% | 49,443 psi | 76% | 3018 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 43,047 psi | 66% | 2936 fps | 99.6% |
| Rottweil R 904 | <<locked>> | 94% | 51,343 psi | 79% | 3097 fps | 95.2% |
| Rottweil R 905 | <<locked>> | 94% | 48,138 psi | 74% | 3091 fps | 95.9% |
| Rottweil R 907 | <<locked>> | 82% | 43,192 psi | 66% | 2913 fps | 95.4% |
| Shooters World Long Rifle | <<locked>> | 80% | 39,334 psi | 61% | 2831 fps | 96.3% |
| Shooters World Match Rifle | <<locked>> | 80% | 53,606 psi | 82% | 3104 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 47,732 psi | 73% | 3002 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 40,059 psi | 62% | 2861 fps | 95.3% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 44,570 psi | 69% | 2995 fps | 99.5% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 54,549 psi | 84% | 3133 fps | 99.6% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 52,054 psi | 80% | 3097 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 52,968 psi | 81% | 3009 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 44,686 psi | 69% | 2858 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 82% | 41,147 psi | 63% | 2828 fps | 95.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 47,703 psi | 73% | 3084 fps | 95.7% |
| Somchem S335 | <<locked>> | 80% | 52,707 psi | 81% | 3002 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 54,317 psi | 84% | 3120 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 43,526 psi | 67% | 2940 fps | 99.6% |
| Somchem S365 | <<locked>> | 80% | 32,518 psi | 50% | 2762 fps | 98.5% |
| Somchem S385 | <<locked>> | 90% | 42,656 psi | 66% | 2943 fps | 95.2% |
| Vihtavuori N133 | <<locked>> | 80% | 53,563 psi | 82% | 2992 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 49,792 psi | 77% | 2986 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 50,082 psi | 77% | 2999 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 41,524 psi | 64% | 2864 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 80% | 37,608 psi | 58% | 2822 fps | 97% |
| Vihtavuori N165 | <<locked>> | 96% | 44,976 psi | 69% | 2979 fps | 95.5% |
| Vihtavuori N540 | <<locked>> | 80% | 48,370 psi | 74% | 2986 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 36,970 psi | 57% | 2815 fps | 96.5% |
| Vihtavuori N555 | <<locked>> | 84% | 32,489 psi | 50% | 2756 fps | 95.8% |
| Vihtavuori N560 | <<locked>> | 98% | 53,272 psi | 82% | 3245 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 36,869 psi | 57% | 2789 fps | 98.8% |
| Winchester 760 | <<locked>> | 82% | 41,176 psi | 63% | 2940 fps | 95.4% |
| Winchester StaBALL HD | <<locked>> | 86% | 27,717 psi | 43% | 2690 fps | 95.3% |
| Winchester StaBALL Match | <<locked>> | 80% | 51,953 psi | 80% | 3104 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 96% | 48,834 psi | 75% | 3061 fps | 95.8% |
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 98 powders for .300 PRC loaded with the .308 | 146gr | Reichenberg Spezial Jagd. Alliant Reloder-26 delivers the highest muzzle velocity at 3,389 fps; across all powders the maximum-charge window runs from 2,014 fps to 3,389 fps. Accurate 3100 gives the best case fill at 100 %, and 98 of the 98 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (448 MPa), the top charges use 55–90 %, leaving at least 10 % headroom. The 146.0 gr projectile in 0.308" calls for a 1:16.5 twist; slower twists will usually not stabilise this weight. Accurate 3100, Alliant Reloder-22, Alliant Reloder-23 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, Alliant Reloder-17, Norma MRP rank at the top here: for .300 PRC with the .308 | 146gr | Reichenberg Spezial Jagd they combine a high case fill with complete burn and sit in the upper velocity band. Always begin at the start load and work up in small increments while checking case and primer for pressure signs.