Load Specifications
Load data in caliber .270 WSM with .277 | 130gr | Reichenberg HDB Universal bullet and 74 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Norma MRP, Alliant Reloder-26 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.
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Max Load - Barrel Length: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 3100 | <<locked>> | 94% | 54,534 psi | 85% | 3025 fps | 99.7% |
| Accurate 4350 | <<locked>> | 86% | 55,753 psi | 87% | 3068 fps | 100% |
| Accurate High Country | <<locked>> | 92% | 54,273 psi | 85% | 3153 fps | 97.3% |
| Accurate MAGPRO | <<locked>> | 94% | 55,172 psi | 86% | 3153 fps | 96.1% |
| ADI AR 2208 | <<locked>> | 82% | 55,898 psi | 88% | 3015 fps | 100% |
| ADI AR 2209 | <<locked>> | 92% | 54,911 psi | 86% | 3091 fps | 98.2% |
| ADI AR 2213 | <<locked>> | 96% | 56,188 psi | 88% | 3146 fps | 97.3% |
| ADI AR 2225ᴾ | <<locked>> | 100% | 43,192 psi | 68% | 2940 fps | 97.6% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 55,201 psi | 87% | 3091 fps | 98.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 82% | 57,609 psi | 90% | 3045 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 88% | 54,926 psi | 86% | 3110 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 84% | 56,115 psi | 88% | 3130 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 92% | 54,578 psi | 86% | 3084 fps | 98.2% |
| Alliant Reloder-22 | <<locked>> | 96% | 56,202 psi | 88% | 3150 fps | 98.6% |
| Alliant Reloder-23 | <<locked>> | 98% | 57,116 psi | 90% | 3133 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 52,866 psi | 83% | 3127 fps | 100% |
| Alliant Reloder-26 | <<locked>> | 94% | 57,696 psi | 90% | 3232 fps | 100% |
| Bofors RP15 | <<locked>> | 98% | 55,216 psi | 87% | 3133 fps | 98.3% |
| Bofors RP30ᴾ | <<locked>> | 100% | 49,371 psi | 77% | 3058 fps | 96.6% |
| Bofors RP5 | <<locked>> | 96% | 56,202 psi | 88% | 3150 fps | 98.6% |
| Bofors RP7 | <<locked>> | 86% | 57,493 psi | 90% | 3048 fps | 99.2% |
| Hodgdon H1000ᴾ | <<locked>> | 100% | 52,315 psi | 82% | 3064 fps | 97.3% |
| Hodgdon H414 | <<locked>> | 86% | 56,275 psi | 88% | 3104 fps | 99.4% |
| Hodgdon H4350 | <<locked>> | 84% | 55,448 psi | 87% | 3054 fps | 98.5% |
| Hodgdon H4831 | <<locked>> | 94% | 56,405 psi | 88% | 3087 fps | 96.7% |
| Hodgdon H4831 SC | <<locked>> | 94% | 55,332 psi | 87% | 3068 fps | 96.4% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 55,709 psi | 87% | 3031 fps | 100% |
| Hodgdon Retumboᴾ | <<locked>> | 100% | 52,054 psi | 82% | 3182 fps | 98.7% |
| Hodgdon Superformance | <<locked>> | 86% | 56,260 psi | 88% | 3133 fps | 99.3% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 37,217 psi | 58% | 1932 fps | 100% |
| IMR 4350 | <<locked>> | 88% | 55,042 psi | 86% | 3025 fps | 98.9% |
| IMR 4451 Enduron | <<locked>> | 84% | 55,216 psi | 87% | 3015 fps | 99.2% |
| IMR 4831 | <<locked>> | 88% | 55,666 psi | 87% | 3051 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 94% | 57,421 psi | 90% | 3071 fps | 97.1% |
| IMR 7828 SSC | <<locked>> | 98% | 57,696 psi | 90% | 3186 fps | 97.7% |
| Lovex S065 | <<locked>> | 86% | 56,318 psi | 88% | 3025 fps | 99.9% |
| Lovex S070 | <<locked>> | 86% | 54,766 psi | 86% | 3018 fps | 99.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 55,506 psi | 87% | 3041 fps | 99.7% |
| Norma 204 | <<locked>> | 88% | 55,927 psi | 88% | 3084 fps | 98.2% |
| Norma MRP | <<locked>> | 94% | 55,970 psi | 88% | 3179 fps | 99.4% |
| Norma URP | <<locked>> | 88% | 56,840 psi | 89% | 3094 fps | 100% |
| Ramshot Grand | <<locked>> | 96% | 54,708 psi | 86% | 3143 fps | 97.5% |
| Ramshot Hunter | <<locked>> | 88% | 55,463 psi | 87% | 3091 fps | 99.7% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 56,724 psi | 89% | 3140 fps | 99.2% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 38,218 psi | 60% | 1982 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 55,477 psi | 87% | 3120 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 86% | 55,071 psi | 86% | 3084 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 88% | 56,028 psi | 88% | 3156 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 52,533 psi | 82% | 3179 fps | 99.5% |
| Rottweil R 903 | <<locked>> | 82% | 56,057 psi | 88% | 3015 fps | 100% |
| Rottweil R 904 | <<locked>> | 92% | 56,521 psi | 89% | 3061 fps | 97.4% |
| Rottweil R 905 | <<locked>> | 92% | 54,462 psi | 85% | 3077 fps | 98.3% |
| Rottweil R 907 | <<locked>> | 86% | 57,493 psi | 90% | 3048 fps | 99.2% |
| Shooters World Long Rifle | <<locked>> | 86% | 56,318 psi | 88% | 3025 fps | 99.9% |
| Shooters World SW4350 | <<locked>> | 86% | 54,766 psi | 86% | 3018 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 56,391 psi | 88% | 3064 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 82% | 55,216 psi | 87% | 2877 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 86% | 55,709 psi | 87% | 2969 fps | 99.3% |
| SNPE Vectan Tubal 8000 | <<locked>> | 94% | 57,334 psi | 90% | 3127 fps | 98.7% |
| Somchem S355 | <<locked>> | 82% | 55,506 psi | 87% | 3009 fps | 100% |
| Somchem S361 | <<locked>> | 90% | 54,708 psi | 86% | 2992 fps | 96.3% |
| Somchem S365 | <<locked>> | 90% | 57,014 psi | 89% | 3100 fps | 100% |
| Somchem S385 | <<locked>> | 92% | 55,347 psi | 87% | 3054 fps | 98.9% |
| Vihtavuori N150 | <<locked>> | 84% | 56,246 psi | 88% | 2972 fps | 100% |
| Vihtavuori N160 | <<locked>> | 86% | 55,143 psi | 86% | 3028 fps | 100% |
| Vihtavuori N165 | <<locked>> | 96% | 54,259 psi | 85% | 3022 fps | 98.5% |
| Vihtavuori N550 | <<locked>> | 86% | 54,766 psi | 86% | 3038 fps | 100% |
| Vihtavuori N555 | <<locked>> | 94% | 56,927 psi | 89% | 3120 fps | 100% |
| Vihtavuori N560 | <<locked>> | 94% | 55,753 psi | 87% | 3163 fps | 96.9% |
| Vihtavuori N565ᴾ | <<locked>> | 100% | 56,072 psi | 88% | 3146 fps | 97.2% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 57,566 psi | 90% | 3035 fps | 100% |
| Winchester 760 | <<locked>> | 86% | 56,536 psi | 89% | 3107 fps | 99.4% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 57,566 psi | 90% | 3278 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 54,563 psi | 86% | 3035 fps | 98.1% |
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% | 35,868 psi | 56% | 2651 fps | 96% |
| Accurate 4350 | <<locked>> | 80% | 46,369 psi | 73% | 2900 fps | 99.6% |
| Accurate High Country | <<locked>> | 88% | 47,819 psi | 75% | 3031 fps | 95.7% |
| Accurate MAGPRO | <<locked>> | 92% | 51,532 psi | 81% | 3087 fps | 95.2% |
| ADI AR 2208 | <<locked>> | 80% | 52,823 psi | 83% | 2963 fps | 100% |
| ADI AR 2209 | <<locked>> | 84% | 43,033 psi | 67% | 2858 fps | 95.3% |
| ADI AR 2213 | <<locked>> | 92% | 49,676 psi | 78% | 3025 fps | 95.8% |
| ADI AR 2225 | <<locked>> | 96% | 38,566 psi | 60% | 2822 fps | 95.8% |
| Alliant Power Pro Varmint | <<locked>> | 84% | 43,584 psi | 68% | 2864 fps | 95.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 54,418 psi | 85% | 2995 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 80% | 43,308 psi | 68% | 2890 fps | 99.5% |
| Alliant Reloder-17 | <<locked>> | 80% | 49,327 psi | 77% | 3015 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 84% | 43,221 psi | 68% | 2858 fps | 95.5% |
| Alliant Reloder-22 | <<locked>> | 86% | 41,394 psi | 65% | 2858 fps | 95.1% |
| Alliant Reloder-23 | <<locked>> | 80% | 33,620 psi | 53% | 2667 fps | 98.7% |
| Alliant Reloder-25 | <<locked>> | 84% | 33,359 psi | 52% | 2674 fps | 95.6% |
| Alliant Reloder-26 | 57.8 gr | 80% | 36,318 psi | 57% | 2802 fps | 97.7% |
| Bofors RP15 | <<locked>> | 90% | 43,526 psi | 68% | 2907 fps | 95.6% |
| Bofors RP30 | <<locked>> | 98% | 46,572 psi | 73% | 3002 fps | 95.8% |
| Bofors RP5 | <<locked>> | 86% | 41,394 psi | 65% | 2858 fps | 95.1% |
| Bofors RP7 | <<locked>> | 80% | 48,559 psi | 76% | 2887 fps | 97.9% |
| Hodgdon H1000 | <<locked>> | 96% | 46,209 psi | 72% | 2940 fps | 95.7% |
| Hodgdon H414 | <<locked>> | 80% | 46,934 psi | 74% | 2930 fps | 98.1% |
| Hodgdon H4350 | <<locked>> | 80% | 49,255 psi | 77% | 2940 fps | 97.4% |
| Hodgdon H4831 | <<locked>> | 90% | 49,559 psi | 78% | 2963 fps | 95.1% |
| Hodgdon H4831 SC | <<locked>> | 92% | 51,866 psi | 81% | 3009 fps | 95.7% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 41,292 psi | 65% | 2779 fps | 99.8% |
| Hodgdon Retumbo | <<locked>> | 92% | 41,104 psi | 64% | 2930 fps | 95.4% |
| Hodgdon Superformance | <<locked>> | 80% | 45,847 psi | 72% | 2946 fps | 97.6% |
| Hodgdon TrailBoss | <<locked>> | 80% | 28,094 psi | 44% | 1732 fps | 100% |
| IMR 4350 | <<locked>> | 80% | 43,743 psi | 69% | 2812 fps | 96.8% |
| IMR 4451 Enduron | <<locked>> | 80% | 49,110 psi | 77% | 2904 fps | 98.3% |
| IMR 4831 | <<locked>> | 80% | 43,801 psi | 69% | 2838 fps | 99.4% |
| IMR 4955 Enduron | <<locked>> | 88% | 48,225 psi | 76% | 2904 fps | 95% |
| IMR 7828 SSC | <<locked>> | 92% | 47,805 psi | 75% | 2999 fps | 95.4% |
| Lovex S065 | <<locked>> | 80% | 47,601 psi | 75% | 2867 fps | 99.1% |
| Lovex S070 | <<locked>> | 80% | 46,151 psi | 72% | 2858 fps | 98.1% |
| Lovex S071 | <<locked>> | 82% | 33,330 psi | 52% | 2585 fps | 95.1% |
| Norma 204 | <<locked>> | 80% | 43,439 psi | 68% | 2844 fps | 95.3% |
| Norma MRP | 57.5 gr | 82% | 38,319 psi | 60% | 2815 fps | 95.6% |
| Norma URP | <<locked>> | 80% | 44,788 psi | 70% | 2877 fps | 99.4% |
| Ramshot Grand | <<locked>> | 92% | 47,993 psi | 75% | 3012 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 80% | 43,352 psi | 68% | 2861 fps | 98.1% |
| Ramshot Magnum | <<locked>> | 90% | 40,712 psi | 64% | 2831 fps | 95.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 28,863 psi | 45% | 1775 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 51,938 psi | 81% | 3061 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 45,411 psi | 71% | 2910 fps | 99.4% |
| ReloadSwiss RS 70 | <<locked>> | 80% | 43,366 psi | 68% | 2917 fps | 99% |
| ReloadSwiss RS 76 | <<locked>> | 90% | 38,305 psi | 60% | 2851 fps | 95.5% |
| Rottweil R 903 | <<locked>> | 80% | 52,968 psi | 83% | 2969 fps | 100% |
| Rottweil R 904 | <<locked>> | 86% | 47,326 psi | 74% | 2890 fps | 95.3% |
| Rottweil R 905 | <<locked>> | 84% | 42,656 psi | 67% | 2844 fps | 95.6% |
| Rottweil R 907 | <<locked>> | 80% | 48,559 psi | 76% | 2887 fps | 97.9% |
| Shooters World Long Rifle | <<locked>> | 80% | 47,601 psi | 75% | 2867 fps | 99.1% |
| Shooters World SW4350 | <<locked>> | 80% | 46,151 psi | 72% | 2858 fps | 98.1% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 53,040 psi | 83% | 3012 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 52,069 psi | 82% | 2831 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 46,731 psi | 73% | 2808 fps | 98% |
| SNPE Vectan Tubal 8000 | <<locked>> | 84% | 42,279 psi | 66% | 2838 fps | 95.4% |
| Somchem S355 | <<locked>> | 80% | 52,417 psi | 82% | 2956 fps | 100% |
| Somchem S361 | <<locked>> | 88% | 51,590 psi | 81% | 2936 fps | 95.6% |
| Somchem S365 | <<locked>> | 80% | 41,800 psi | 66% | 2841 fps | 100% |
| Somchem S385 | <<locked>> | 80% | 38,914 psi | 61% | 2726 fps | 95.3% |
| Vihtavuori N150 | <<locked>> | 80% | 50,154 psi | 79% | 2877 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 46,064 psi | 72% | 2867 fps | 99.5% |
| Vihtavuori N165 | <<locked>> | 86% | 40,292 psi | 63% | 2753 fps | 95.3% |
| Vihtavuori N550 | <<locked>> | 80% | 45,600 psi | 71% | 2874 fps | 99.4% |
| Vihtavuori N555 | <<locked>> | 80% | 37,710 psi | 59% | 2753 fps | 98.7% |
| Vihtavuori N560 | 63.1 gr | 90% | 49,182 psi | 77% | 3041 fps | 95.3% |
| Vihtavuori N565 | <<locked>> | 96% | 49,603 psi | 78% | 3028 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 44,817 psi | 70% | 2828 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 46,934 psi | 74% | 2930 fps | 98.1% |
| Winchester StaBALL HD | <<locked>> | 80% | 30,487 psi | 48% | 2684 fps | 98.8% |
| Winchester Supreme 780 | <<locked>> | 86% | 42,409 psi | 66% | 2805 fps | 95.2% |
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 74 powders for .270 WSM loaded with the .277 | 130gr | Reichenberg HDB Universal. Winchester StaBALL HD delivers the highest muzzle velocity at 3,278 fps; across all powders the maximum-charge window runs from 1,932 fps to 3,278 fps. ADI AR 2225 gives the best case fill at 100 %, and 74 of the 74 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (440 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 130.0 gr projectile in 0.277" calls for a 1:11.0 twist; slower twists will usually not stabilise this weight. ADI AR 2225, Alliant Reloder-25, Bofors RP30 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. Norma MRP, Alliant Reloder-26, Vihtavuori N560 rank at the top here: for .270 WSM with the .277 | 130gr | Reichenberg HDB Universal 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.