Load Specifications
Load data in caliber .300 Norma Mag. with .308 | 154gr | Peregrine VLR5 (VLR-5) bullet and 88 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 Alliant Reloder-16.
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 2495 | <<locked>> | 82% | 57,261 psi | 90% | 3038 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 55,158 psi | 86% | 3064 fps | 98.6% |
| Accurate 3100 | <<locked>> | 98% | 53,969 psi | 85% | 3107 fps | 99.6% |
| Accurate 4064 | <<locked>> | 82% | 54,244 psi | 85% | 3048 fps | 100% |
| Accurate 4350 | <<locked>> | 90% | 55,709 psi | 87% | 3163 fps | 100% |
| Accurate High Country | <<locked>> | 96% | 55,579 psi | 87% | 3261 fps | 97.3% |
| Accurate MAGPRO | <<locked>> | 98% | 56,724 psi | 89% | 3261 fps | 96.2% |
| ADI AR 2208 | <<locked>> | 84% | 54,462 psi | 85% | 3084 fps | 100% |
| ADI AR 2209 | <<locked>> | 96% | 57,072 psi | 89% | 3215 fps | 98.4% |
| ADI AR 2213 | <<locked>> | 98% | 54,650 psi | 86% | 3205 fps | 96.8% |
| Alliant Power Pro Varmint | <<locked>> | 96% | 57,305 psi | 90% | 3212 fps | 98.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 84% | 55,434 psi | 87% | 3107 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 82% | 55,680 psi | 87% | 3133 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 92% | 56,811 psi | 89% | 3228 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 86% | 54,302 psi | 85% | 3189 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 96% | 56,492 psi | 89% | 3202 fps | 98.3% |
| Alliant Reloder-22 | <<locked>> | 98% | 53,969 psi | 85% | 3199 fps | 98.1% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 54,839 psi | 86% | 3186 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 47,326 psi | 74% | 3107 fps | 99.5% |
| Alliant Reloder-26 | <<locked>> | 96% | 55,100 psi | 86% | 3271 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 52,895 psi | 83% | 3176 fps | 97.7% |
| Bofors RP3 | <<locked>> | 84% | 56,347 psi | 88% | 3123 fps | 100% |
| Bofors RP5 | <<locked>> | 98% | 53,969 psi | 85% | 3199 fps | 98.1% |
| Bofors RP7 | <<locked>> | 88% | 55,695 psi | 87% | 3114 fps | 98.9% |
| Hodgdon H380 | <<locked>> | 84% | 56,710 psi | 89% | 3143 fps | 100% |
| Hodgdon H414 | <<locked>> | 88% | 54,375 psi | 85% | 3159 fps | 99.1% |
| Hodgdon H4350 | <<locked>> | 88% | 57,464 psi | 90% | 3179 fps | 98.6% |
| Hodgdon H4831 | <<locked>> | 96% | 54,795 psi | 86% | 3146 fps | 96.2% |
| Hodgdon H4831 SC | <<locked>> | 98% | 57,464 psi | 90% | 3189 fps | 96.7% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 57,014 psi | 89% | 3143 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 46,253 psi | 72% | 3140 fps | 97.1% |
| Hodgdon Superformance | <<locked>> | 88% | 54,723 psi | 86% | 3196 fps | 99% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,448 psi | 57% | 1988 fps | 100% |
| IMR 4064 | <<locked>> | 84% | 57,363 psi | 90% | 3120 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 82% | 56,521 psi | 89% | 3107 fps | 99.3% |
| IMR 4350 | <<locked>> | 92% | 56,956 psi | 89% | 3150 fps | 99.1% |
| IMR 4451 Enduron | <<locked>> | 88% | 57,450 psi | 90% | 3146 fps | 99.3% |
| IMR 4831 | <<locked>> | 92% | 56,391 psi | 88% | 3156 fps | 100% |
| IMR 4895 | <<locked>> | 82% | 57,130 psi | 90% | 3163 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 56,231 psi | 88% | 3136 fps | 96.7% |
| IMR 7828 SSCᴾ | <<locked>> | 100% | 55,941 psi | 88% | 3241 fps | 97.2% |
| Lovex S062 | <<locked>> | 84% | 57,595 psi | 90% | 3114 fps | 100% |
| Lovex S065 | <<locked>> | 90% | 57,450 psi | 90% | 3136 fps | 99.9% |
| Lovex S070 | <<locked>> | 90% | 55,506 psi | 87% | 3127 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 47,819 psi | 75% | 3002 fps | 98.8% |
| Norma 203B | <<locked>> | 82% | 54,984 psi | 86% | 3117 fps | 100% |
| Norma 204 | <<locked>> | 90% | 54,331 psi | 85% | 3143 fps | 97.8% |
| Norma MRP | <<locked>> | 96% | 53,693 psi | 84% | 3225 fps | 99.1% |
| Norma URP | <<locked>> | 90% | 54,563 psi | 86% | 3150 fps | 100% |
| Ramshot Big Game | <<locked>> | 82% | 55,912 psi | 88% | 3143 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 56,797 psi | 89% | 3264 fps | 97.7% |
| Ramshot Hunter | <<locked>> | 92% | 57,203 psi | 90% | 3209 fps | 99.8% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 50,778 psi | 80% | 3120 fps | 98.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 37,159 psi | 58% | 2037 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 84% | 56,492 psi | 89% | 3127 fps | 99.6% |
| ReloadSwiss RS 60 | <<locked>> | 84% | 53,751 psi | 84% | 3182 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 90% | 55,970 psi | 88% | 3186 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 90% | 54,534 psi | 85% | 3219 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 46,601 psi | 73% | 3140 fps | 98.3% |
| Rottweil R 902 | <<locked>> | 82% | 55,912 psi | 88% | 3071 fps | 100% |
| Rottweil R 903 | <<locked>> | 86% | 56,391 psi | 88% | 3120 fps | 100% |
| Rottweil R 904 | <<locked>> | 94% | 54,984 psi | 86% | 3123 fps | 97% |
| Rottweil R 905 | <<locked>> | 96% | 55,608 psi | 87% | 3182 fps | 98.3% |
| Rottweil R 907 | <<locked>> | 88% | 55,695 psi | 87% | 3114 fps | 98.9% |
| Shooters World Long Rifle | <<locked>> | 90% | 57,450 psi | 90% | 3136 fps | 99.9% |
| Shooters World Precision | <<locked>> | 84% | 57,595 psi | 90% | 3114 fps | 100% |
| Shooters World SW4350 | <<locked>> | 90% | 55,506 psi | 87% | 3127 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 54,650 psi | 86% | 3130 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 86% | 57,232 psi | 90% | 2999 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 90% | 57,203 psi | 90% | 3087 fps | 99.4% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 55,143 psi | 86% | 3176 fps | 98.2% |
| Somchem S355 | <<locked>> | 86% | 56,289 psi | 88% | 3117 fps | 100% |
| Somchem S361 | <<locked>> | 94% | 56,811 psi | 89% | 3114 fps | 96.6% |
| Somchem S365 | <<locked>> | 92% | 54,143 psi | 85% | 3150 fps | 100% |
| Somchem S385 | <<locked>> | 96% | 56,304 psi | 88% | 3159 fps | 99% |
| Vihtavuori N135 | <<locked>> | 82% | 56,521 psi | 89% | 3028 fps | 100% |
| Vihtavuori N140 | <<locked>> | 82% | 56,797 psi | 89% | 3045 fps | 100% |
| Vihtavuori N150 | <<locked>> | 86% | 54,099 psi | 85% | 3035 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 56,550 psi | 89% | 3143 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 55,840 psi | 88% | 3133 fps | 98.7% |
| Vihtavuori N540 | <<locked>> | 82% | 54,926 psi | 86% | 3035 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 55,622 psi | 87% | 3143 fps | 100% |
| Vihtavuori N555 | <<locked>> | 98% | 56,956 psi | 89% | 3212 fps | 100% |
| Vihtavuori N560 | <<locked>> | 96% | 53,867 psi | 84% | 3212 fps | 96.3% |
| Winchester 6.5 StaBALL | <<locked>> | 90% | 56,463 psi | 88% | 3104 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 54,563 psi | 86% | 3166 fps | 99.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 50,952 psi | 80% | 3255 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 56,710 psi | 89% | 3156 fps | 98.3% |
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% | 53,563 psi | 84% | 2986 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 51,401 psi | 81% | 2999 fps | 98.1% |
| Accurate 3100 | <<locked>> | 86% | 35,317 psi | 55% | 2730 fps | 95.4% |
| Accurate 4064 | <<locked>> | 80% | 50,850 psi | 80% | 2992 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 39,131 psi | 61% | 2844 fps | 98.3% |
| Accurate High Country | <<locked>> | 92% | 48,196 psi | 76% | 3120 fps | 95.6% |
| Accurate MAGPRO | <<locked>> | 96% | 52,605 psi | 82% | 3189 fps | 95.2% |
| ADI AR 2208 | <<locked>> | 80% | 48,153 psi | 75% | 2972 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 88% | 43,584 psi | 68% | 2953 fps | 95.2% |
| ADI AR 2213 | <<locked>> | 96% | 51,140 psi | 80% | 3140 fps | 96% |
| Alliant Power Pro Varmint | <<locked>> | 88% | 43,801 psi | 69% | 2956 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 48,791 psi | 76% | 2995 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 52,054 psi | 82% | 3074 fps | 100% |
| Alliant Reloder-16 | 68 gr | 80% | 38,087 psi | 60% | 2861 fps | 98.4% |
| Alliant Reloder-17 | <<locked>> | 80% | 43,584 psi | 68% | 2995 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 88% | 43,294 psi | 68% | 2946 fps | 95.2% |
| Alliant Reloder-22 | <<locked>> | 92% | 43,787 psi | 69% | 2999 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 80% | 27,775 psi | 44% | 2575 fps | 95.8% |
| Alliant Reloder-25 | <<locked>> | 90% | 33,881 psi | 53% | 2776 fps | 95.4% |
| Alliant Reloder-26 | 76.9 gr | 82% | 32,155 psi | 50% | 2766 fps | 95.5% |
| Bofors RP15 | <<locked>> | 94% | 43,178 psi | 68% | 2982 fps | 95.2% |
| Bofors RP3 | <<locked>> | 80% | 49,211 psi | 77% | 3009 fps | 100% |
| Bofors RP5 | <<locked>> | 92% | 43,787 psi | 69% | 2999 fps | 95.6% |
| Bofors RP7 | <<locked>> | 80% | 42,975 psi | 67% | 2867 fps | 96.3% |
| Hodgdon H380 | <<locked>> | 80% | 49,472 psi | 78% | 3018 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 80% | 41,234 psi | 65% | 2897 fps | 96.4% |
| Hodgdon H4350 | <<locked>> | 80% | 44,208 psi | 69% | 2927 fps | 95.9% |
| Hodgdon H4831 | <<locked>> | 94% | 51,039 psi | 80% | 3077 fps | 95.2% |
| Hodgdon H4831 SC | <<locked>> | 94% | 50,067 psi | 78% | 3058 fps | 95% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 35,534 psi | 56% | 2740 fps | 98.8% |
| Hodgdon Retumbo | <<locked>> | 98% | 43,323 psi | 68% | 3071 fps | 96% |
| Hodgdon Superformance | <<locked>> | 80% | 40,393 psi | 63% | 2907 fps | 95.7% |
| Hodgdon TrailBoss | <<locked>> | 80% | 27,137 psi | 43% | 1778 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 50,662 psi | 79% | 3009 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 80% | 52,910 psi | 83% | 3045 fps | 98.9% |
| IMR 4350 | <<locked>> | 82% | 41,350 psi | 65% | 2848 fps | 95.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 44,585 psi | 70% | 2904 fps | 97.2% |
| IMR 4831 | <<locked>> | 80% | 37,652 psi | 59% | 2792 fps | 98% |
| IMR 4895 | <<locked>> | 80% | 53,403 psi | 84% | 3104 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 92% | 49,400 psi | 77% | 3012 fps | 95.1% |
| IMR 7828 SSC | <<locked>> | 96% | 48,704 psi | 76% | 3104 fps | 95.4% |
| Lovex S062 | <<locked>> | 80% | 50,720 psi | 79% | 3002 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 41,916 psi | 66% | 2844 fps | 97.8% |
| Lovex S070 | <<locked>> | 80% | 40,045 psi | 63% | 2818 fps | 96.2% |
| Lovex S071 | <<locked>> | 90% | 34,316 psi | 54% | 2703 fps | 95% |
| Norma 203B | <<locked>> | 80% | 51,372 psi | 81% | 3054 fps | 100% |
| Norma 204 | <<locked>> | 84% | 44,077 psi | 69% | 2943 fps | 95.2% |
| Norma MRP | 80.1 gr | 88% | 40,118 psi | 63% | 2943 fps | 95.9% |
| Norma URP | <<locked>> | 80% | 38,856 psi | 61% | 2838 fps | 98.1% |
| Ramshot Big Game | <<locked>> | 80% | 52,243 psi | 82% | 3084 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 48,936 psi | 77% | 3120 fps | 95.9% |
| Ramshot Hunter | <<locked>> | 80% | 37,884 psi | 59% | 2825 fps | 96.2% |
| Ramshot Magnum | <<locked>> | 94% | 40,422 psi | 63% | 2907 fps | 95.3% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,702 psi | 43% | 1824 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 49,487 psi | 78% | 3002 fps | 98.8% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 46,354 psi | 73% | 3058 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 39,059 psi | 61% | 2861 fps | 98% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 37,942 psi | 59% | 2874 fps | 97.4% |
| ReloadSwiss RS 76 | <<locked>> | 96% | 40,118 psi | 63% | 2979 fps | 96% |
| Rottweil R 902 | <<locked>> | 80% | 52,460 psi | 82% | 3018 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 46,108 psi | 72% | 2946 fps | 100% |
| Rottweil R 904 | <<locked>> | 90% | 48,138 psi | 75% | 2999 fps | 95.4% |
| Rottweil R 905 | <<locked>> | 88% | 42,351 psi | 66% | 2927 fps | 95.1% |
| Rottweil R 907 | <<locked>> | 80% | 42,975 psi | 67% | 2867 fps | 96.3% |
| Shooters World Long Rifle | <<locked>> | 80% | 41,916 psi | 66% | 2844 fps | 97.8% |
| Shooters World Precision | <<locked>> | 80% | 50,720 psi | 79% | 3002 fps | 100% |
| Shooters World SW4350 | <<locked>> | 80% | 40,045 psi | 63% | 2818 fps | 96.2% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 47,718 psi | 75% | 3009 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 47,311 psi | 74% | 2851 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 41,075 psi | 64% | 2785 fps | 96.5% |
| SNPE Vectan Tubal 8000 | <<locked>> | 88% | 41,959 psi | 66% | 2920 fps | 95% |
| Somchem S355 | <<locked>> | 80% | 46,441 psi | 73% | 2946 fps | 100% |
| Somchem S361 | <<locked>> | 92% | 52,982 psi | 83% | 3048 fps | 95.7% |
| Somchem S365 | <<locked>> | 80% | 35,404 psi | 55% | 2789 fps | 99.6% |
| Somchem S385 | <<locked>> | 86% | 40,205 psi | 63% | 2848 fps | 95.4% |
| Vihtavuori N135 | <<locked>> | 80% | 52,939 psi | 83% | 2976 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 53,113 psi | 83% | 2992 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 44,324 psi | 69% | 2867 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 40,364 psi | 63% | 2841 fps | 98.5% |
| Vihtavuori N165 | <<locked>> | 92% | 42,496 psi | 67% | 2884 fps | 95.7% |
| Vihtavuori N540 | <<locked>> | 80% | 51,416 psi | 81% | 2982 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 39,755 psi | 62% | 2838 fps | 98.1% |
| Vihtavuori N555 | <<locked>> | 80% | 30,763 psi | 48% | 2657 fps | 96% |
| Vihtavuori N560 | <<locked>> | 94% | 50,183 psi | 79% | 3143 fps | 95.3% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 39,566 psi | 62% | 2808 fps | 99.7% |
| Winchester 760 | <<locked>> | 80% | 41,408 psi | 65% | 2900 fps | 96.4% |
| Winchester StaBALL HD | <<locked>> | 82% | 26,223 psi | 41% | 2602 fps | 95.6% |
| Winchester Supreme 780 | <<locked>> | 90% | 42,482 psi | 67% | 2890 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 88 powders for .300 Norma Mag. loaded with the .308 | 154gr | Peregrine VLR5 (VLR-5). Alliant Reloder-26 delivers the highest muzzle velocity at 3,271 fps; across all powders the maximum-charge window runs from 1,988 fps to 3,271 fps. Alliant Reloder-23 gives the best case fill at 100 %, and 88 of the 88 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 57–90 %, leaving at least 10 % headroom. The 154.0 gr projectile in 0.308" calls for a 1:12.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-23, Alliant Reloder-25, Bofors RP15 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, Alliant Reloder-16 rank at the top here: for .300 Norma Mag. with the .308 | 154gr | Peregrine VLR5 (VLR-5) 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.