
Load Specifications
Load data in caliber 7 mm Rem. Mag. with .284 | 125gr | Lehigh Defense Controlled Chaos bullet and 93 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Reloder-16, ReloadSwiss RS 70 and Ramshot Hunter.
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% | 56,144 psi | 90% | 3058 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 55,463 psi | 89% | 3068 fps | 97.7% |
| Accurate 3100ᴾ | <<locked>> | 100% | 51,169 psi | 82% | 3084 fps | 98.5% |
| Accurate 4064 | <<locked>> | 86% | 56,347 psi | 90% | 3110 fps | 100% |
| Accurate 4350 | <<locked>> | 92% | 53,432 psi | 86% | 3156 fps | 99.7% |
| ADI AR 2206H | <<locked>> | 82% | 55,579 psi | 89% | 3143 fps | 100% |
| ADI AR 2208 | <<locked>> | 86% | 53,345 psi | 86% | 3087 fps | 99.9% |
| ADI AR 2209 | <<locked>> | 98% | 54,621 psi | 88% | 3192 fps | 96.8% |
| Alliant Power Pro 2000-MR | <<locked>> | 84% | 56,043 psi | 90% | 3278 fps | 100% |
| Alliant Reloder- TS 15.5 | <<locked>> | 86% | 53,809 psi | 86% | 3114 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 84% | 54,070 psi | 87% | 3136 fps | 99.9% |
| Alliant Reloder-16 | <<locked>> | 94% | 54,244 psi | 87% | 3219 fps | 99.9% |
| Alliant Reloder-17 | <<locked>> | 90% | 55,448 psi | 89% | 3245 fps | 100% |
| Alliant Reloder-19 | <<locked>> | 98% | 53,954 psi | 87% | 3179 fps | 96.8% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 51,053 psi | 82% | 3169 fps | 96.3% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 48,182 psi | 77% | 3114 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 42,090 psi | 67% | 3009 fps | 97.3% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 55,492 psi | 89% | 3320 fps | 99.9% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 55,434 psi | 89% | 3153 fps | 99.9% |
| Bofors RP3 | <<locked>> | 86% | 54,607 psi | 88% | 3130 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 51,053 psi | 82% | 3169 fps | 96.3% |
| Bofors RP7 | <<locked>> | 90% | 54,288 psi | 87% | 3104 fps | 97.7% |
| Hodgdon H380 | <<locked>> | 86% | 55,274 psi | 89% | 3146 fps | 99.6% |
| Hodgdon H414 | <<locked>> | 88% | 53,388 psi | 86% | 3166 fps | 98.1% |
| Hodgdon H4350 | <<locked>> | 92% | 53,896 psi | 86% | 3136 fps | 97% |
| Hodgdon H4895 | <<locked>> | 82% | 56,173 psi | 90% | 3153 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 96% | 54,534 psi | 87% | 3140 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 84% | 53,026 psi | 85% | 3136 fps | 100% |
| Hodgdon Superformance | <<locked>> | 92% | 56,159 psi | 90% | 3248 fps | 98.4% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 36,143 psi | 58% | 1985 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 56,260 psi | 90% | 3140 fps | 100% |
| IMR 3031 | <<locked>> | 84% | 55,332 psi | 89% | 3110 fps | 100% |
| IMR 4064 | <<locked>> | 88% | 55,390 psi | 89% | 3117 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 54,476 psi | 87% | 3087 fps | 98.2% |
| IMR 4350 | <<locked>> | 94% | 55,085 psi | 88% | 3133 fps | 97.9% |
| IMR 4451 Enduron | <<locked>> | 90% | 55,985 psi | 90% | 3136 fps | 98.4% |
| IMR 4831 | <<locked>> | 98% | 54,636 psi | 88% | 3159 fps | 99.8% |
| IMR 4895 | <<locked>> | 84% | 55,448 psi | 89% | 3166 fps | 100% |
| Lovex D073.6 | <<locked>> | 82% | 55,956 psi | 90% | 3114 fps | 100% |
| Lovex S060 | <<locked>> | 82% | 54,273 psi | 87% | 3058 fps | 100% |
| Lovex S062 | <<locked>> | 86% | 56,289 psi | 90% | 3120 fps | 100% |
| Lovex S065 | <<locked>> | 92% | 55,840 psi | 90% | 3133 fps | 99.3% |
| Lovex S070 | <<locked>> | 92% | 53,722 psi | 86% | 3117 fps | 98.3% |
| Lovex S071ᴾ | <<locked>> | 100% | 42,380 psi | 68% | 2917 fps | 96.6% |
| Norma 201 | <<locked>> | 82% | 54,085 psi | 87% | 3081 fps | 100% |
| Norma 202 | <<locked>> | 82% | 54,723 psi | 88% | 3077 fps | 100% |
| Norma 203B | <<locked>> | 84% | 53,374 psi | 86% | 3120 fps | 100% |
| Norma 204 | <<locked>> | 94% | 55,782 psi | 89% | 3186 fps | 96.9% |
| Norma MRPᴾ | <<locked>> | 100% | 54,230 psi | 87% | 3264 fps | 98.3% |
| Norma URP | <<locked>> | 94% | 55,941 psi | 90% | 3202 fps | 99.8% |
| Ramshot Big Game | <<locked>> | 84% | 54,230 psi | 87% | 3146 fps | 100% |
| Ramshot Hunter | <<locked>> | 94% | 54,563 psi | 87% | 3192 fps | 99% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 50,154 psi | 80% | 3123 fps | 96.7% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,651 psi | 59% | 2031 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 86% | 55,288 psi | 89% | 3127 fps | 98.8% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 54,969 psi | 88% | 3209 fps | 99.9% |
| ReloadSwiss RS 60 | <<locked>> | 88% | 55,042 psi | 88% | 3245 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 53,301 psi | 85% | 3176 fps | 99.6% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 55,695 psi | 89% | 3268 fps | 99.8% |
| Rottweil R 902 | <<locked>> | 84% | 54,955 psi | 88% | 3084 fps | 100% |
| Rottweil R 903 | <<locked>> | 88% | 54,708 psi | 88% | 3123 fps | 100% |
| Rottweil R 904 | <<locked>> | 98% | 56,318 psi | 90% | 3159 fps | 95.9% |
| Rottweil R 905 | <<locked>> | 98% | 53,098 psi | 85% | 3159 fps | 96.7% |
| Rottweil R 907 | <<locked>> | 90% | 54,288 psi | 87% | 3104 fps | 97.7% |
| Shooters World Long Rifle | <<locked>> | 92% | 55,840 psi | 90% | 3133 fps | 99.3% |
| Shooters World Match Rifle | <<locked>> | 82% | 55,956 psi | 90% | 3114 fps | 100% |
| Shooters World Precision | <<locked>> | 86% | 56,289 psi | 90% | 3120 fps | 100% |
| Shooters World SW4350 | <<locked>> | 92% | 53,722 psi | 86% | 3117 fps | 98.3% |
| SNPE Vectan SP 11 | <<locked>> | 88% | 56,318 psi | 90% | 3186 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 82% | 53,998 psi | 87% | 3107 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 82% | 55,042 psi | 88% | 3012 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 88% | 55,970 psi | 90% | 3012 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 92% | 55,738 psi | 89% | 3081 fps | 98.4% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 56,072 psi | 90% | 3215 fps | 97.3% |
| Somchem S335 | <<locked>> | 82% | 54,694 psi | 88% | 3009 fps | 100% |
| Somchem S341 | <<locked>> | 82% | 56,405 psi | 90% | 3127 fps | 100% |
| Somchem S355 | <<locked>> | 88% | 54,882 psi | 88% | 3123 fps | 100% |
| Somchem S365 | <<locked>> | 96% | 54,998 psi | 88% | 3205 fps | 100% |
| Somchem S385 | <<locked>> | 98% | 53,737 psi | 86% | 3136 fps | 97.6% |
| Unknown powder | <<locked>> | 90% | 52,881 psi | 85% | 3146 fps | 99.3% |
| Vihtavuori N133 | <<locked>> | 84% | 55,201 psi | 89% | 2995 fps | 100% |
| Vihtavuori N135 | <<locked>> | 84% | 54,998 psi | 88% | 3045 fps | 100% |
| Vihtavuori N140 | <<locked>> | 84% | 54,694 psi | 88% | 3048 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 56,246 psi | 90% | 3104 fps | 100% |
| Vihtavuori N160 | <<locked>> | 90% | 53,374 psi | 86% | 3114 fps | 99.6% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 47,761 psi | 77% | 3012 fps | 95.9% |
| Vihtavuori N540 | <<locked>> | 84% | 54,317 psi | 87% | 3074 fps | 100% |
| Vihtavuori N550 | <<locked>> | 90% | 53,896 psi | 86% | 3166 fps | 99.6% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 53,766 psi | 86% | 3196 fps | 99.9% |
| Winchester 6.5 StaBALL | <<locked>> | 92% | 54,331 psi | 87% | 3104 fps | 100% |
| Winchester 760 | <<locked>> | 88% | 53,388 psi | 86% | 3166 fps | 98.1% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 43,497 psi | 70% | 3156 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 98% | 55,941 psi | 90% | 3163 fps | 97% |
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% | 49,168 psi | 79% | 2953 fps | 100% |
| Accurate 2700 | <<locked>> | 82% | 45,455 psi | 73% | 2887 fps | 95.5% |
| Accurate 3100 | <<locked>> | 92% | 38,899 psi | 62% | 2838 fps | 95.5% |
| Accurate 4064 | <<locked>> | 80% | 46,557 psi | 75% | 2953 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 35,157 psi | 56% | 2772 fps | 96% |
| ADI AR 2206H | <<locked>> | 80% | 52,040 psi | 83% | 3081 fps | 99.9% |
| ADI AR 2208 | <<locked>> | 80% | 44,222 psi | 71% | 2917 fps | 98.9% |
| ADI AR 2209 | <<locked>> | 94% | 47,906 psi | 77% | 3061 fps | 95.1% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 48,617 psi | 78% | 3140 fps | 99.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 44,527 psi | 71% | 2943 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 80% | 47,616 psi | 76% | 3018 fps | 99.5% |
| Alliant Reloder-16 | 53.2 gr | 80% | 34,635 psi | 56% | 2785 fps | 96% |
| Alliant Reloder-17 | <<locked>> | 80% | 39,102 psi | 63% | 2927 fps | 99% |
| Alliant Reloder-19 | <<locked>> | 94% | 47,442 psi | 76% | 3051 fps | 95.1% |
| Alliant Reloder-22 | <<locked>> | 98% | 47,674 psi | 76% | 3104 fps | 95.4% |
| Alliant Reloder-23 | <<locked>> | 86% | 30,545 psi | 49% | 2687 fps | 96% |
| Alliant Reloder-25 | <<locked>> | 96% | 37,043 psi | 59% | 2877 fps | 95.3% |
| Alliant Reloder-26 | <<locked>> | 88% | 35,650 psi | 57% | 2887 fps | 95.7% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 51,982 psi | 83% | 3094 fps | 99.6% |
| Bofors RP3 | <<locked>> | 80% | 44,744 psi | 72% | 2953 fps | 99.8% |
| Bofors RP5 | <<locked>> | 98% | 47,674 psi | 76% | 3104 fps | 95.4% |
| Bofors RP7 | <<locked>> | 84% | 44,991 psi | 72% | 2923 fps | 95.6% |
| Hodgdon H380 | <<locked>> | 80% | 45,223 psi | 73% | 2959 fps | 98.3% |
| Hodgdon H414 | <<locked>> | 82% | 43,453 psi | 70% | 2972 fps | 95.8% |
| Hodgdon H4350 | <<locked>> | 88% | 47,703 psi | 76% | 3018 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 52,620 psi | 84% | 3094 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 32,024 psi | 51% | 2674 fps | 96.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 46,369 psi | 74% | 3015 fps | 99.9% |
| Hodgdon Superformance | <<locked>> | 86% | 45,165 psi | 72% | 3035 fps | 95.9% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,963 psi | 43% | 1778 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 46,586 psi | 75% | 2969 fps | 99.8% |
| IMR 3031 | <<locked>> | 80% | 48,602 psi | 78% | 3005 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 43,424 psi | 70% | 2894 fps | 98.9% |
| IMR 4166 Enduron | <<locked>> | 80% | 42,772 psi | 69% | 2854 fps | 95.6% |
| IMR 4350 | <<locked>> | 86% | 42,844 psi | 69% | 2897 fps | 95% |
| IMR 4451 Enduron | <<locked>> | 82% | 43,627 psi | 70% | 2900 fps | 95.7% |
| IMR 4831 | <<locked>> | 82% | 32,866 psi | 53% | 2697 fps | 95.2% |
| IMR 4895 | <<locked>> | 80% | 48,820 psi | 78% | 3048 fps | 99.8% |
| Lovex D073.6 | <<locked>> | 80% | 52,315 psi | 84% | 3058 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 51,111 psi | 82% | 3005 fps | 99.9% |
| Lovex S062 | <<locked>> | 80% | 46,630 psi | 75% | 2956 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 38,479 psi | 62% | 2785 fps | 95.7% |
| Lovex S070 | <<locked>> | 84% | 41,713 psi | 67% | 2874 fps | 95.5% |
| Lovex S071 | <<locked>> | 98% | 39,682 psi | 64% | 2858 fps | 95.8% |
| Norma 201 | <<locked>> | 80% | 50,850 psi | 82% | 3025 fps | 100% |
| Norma 202 | <<locked>> | 80% | 51,474 psi | 83% | 3025 fps | 100% |
| Norma 203B | <<locked>> | 80% | 46,963 psi | 75% | 3002 fps | 99.6% |
| Norma 204 | <<locked>> | 90% | 48,689 psi | 78% | 3058 fps | 95.2% |
| Norma MRP | <<locked>> | 94% | 43,845 psi | 70% | 3054 fps | 95.8% |
| Norma URP | <<locked>> | 80% | 35,128 psi | 56% | 2769 fps | 95.8% |
| Ramshot Big Game | <<locked>> | 80% | 47,239 psi | 76% | 3025 fps | 99.6% |
| Ramshot Hunter | 59.2 gr | 84% | 39,059 psi | 63% | 2877 fps | 95.4% |
| Ramshot Magnum | <<locked>> | 98% | 46,383 psi | 74% | 3048 fps | 95.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,499 psi | 44% | 1821 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 45,339 psi | 73% | 2940 fps | 97% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 51,314 psi | 82% | 3143 fps | 99.7% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 41,582 psi | 67% | 2995 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 34,867 psi | 56% | 2789 fps | 95.5% |
| ReloadSwiss RS 70 | 59.6 gr | 82% | 36,680 psi | 59% | 2854 fps | 95.5% |
| Rottweil R 902 | <<locked>> | 80% | 48,385 psi | 78% | 2972 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 42,047 psi | 67% | 2890 fps | 99.4% |
| Rottweil R 904 | <<locked>> | 96% | 52,910 psi | 85% | 3100 fps | 95.1% |
| Rottweil R 905 | <<locked>> | 94% | 46,398 psi | 74% | 3035 fps | 95% |
| Rottweil R 907 | <<locked>> | 84% | 44,991 psi | 72% | 2923 fps | 95.6% |
| Shooters World Long Rifle | <<locked>> | 80% | 38,479 psi | 62% | 2785 fps | 95.7% |
| Shooters World Match Rifle | <<locked>> | 80% | 52,315 psi | 84% | 3058 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 46,630 psi | 75% | 2956 fps | 100% |
| Shooters World SW4350 | <<locked>> | 84% | 41,713 psi | 67% | 2874 fps | 95.5% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 43,207 psi | 69% | 2946 fps | 99.1% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 50,604 psi | 81% | 3048 fps | 99.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 51,663 psi | 83% | 2959 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 43,555 psi | 70% | 2812 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 84% | 43,091 psi | 69% | 2841 fps | 95.8% |
| SNPE Vectan Tubal 8000 | <<locked>> | 96% | 49,081 psi | 79% | 3091 fps | 95.8% |
| Somchem S335 | <<locked>> | 80% | 51,517 psi | 83% | 2959 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 52,837 psi | 85% | 3071 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 42,453 psi | 68% | 2894 fps | 99.3% |
| Somchem S365 | <<locked>> | 80% | 31,618 psi | 51% | 2720 fps | 98.1% |
| Somchem S385 | <<locked>> | 92% | 44,150 psi | 71% | 2953 fps | 95.3% |
| Unknown powder | <<locked>> | 80% | 37,927 psi | 61% | 2835 fps | 96.1% |
| Vihtavuori N133 | <<locked>> | 80% | 48,994 psi | 79% | 2900 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 48,414 psi | 78% | 2940 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 48,124 psi | 77% | 2943 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 36,361 psi | 58% | 2726 fps | 99.2% |
| Vihtavuori N160 | <<locked>> | 80% | 37,971 psi | 61% | 2808 fps | 96.8% |
| Vihtavuori N165 | <<locked>> | 98% | 44,802 psi | 72% | 2953 fps | 95.1% |
| Vihtavuori N540 | <<locked>> | 80% | 47,935 psi | 77% | 2966 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 38,638 psi | 62% | 2854 fps | 96.9% |
| Vihtavuori N555 | <<locked>> | 84% | 31,473 psi | 50% | 2710 fps | 95.1% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 35,969 psi | 58% | 2746 fps | 98.4% |
| Winchester 760 | <<locked>> | 82% | 43,453 psi | 70% | 2972 fps | 95.8% |
| Winchester StaBALL HD | <<locked>> | 88% | 28,964 psi | 46% | 2717 fps | 95.8% |
| Winchester Supreme 780 | <<locked>> | 94% | 48,254 psi | 77% | 3025 fps | 95.3% |
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 106 powders for 7 mm Rem. Mag. loaded with the .284 | 125gr | Lehigh Defense Controlled Chaos. Alliant Reloder-26 delivers the highest muzzle velocity at 3,320 fps; across all powders the maximum-charge window runs from 1,985 fps to 3,320 fps. Accurate 3100 gives the best case fill at 100 %, and 106 of the 106 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (430 MPa), the top charges use 58–90 %, leaving at least 10 % headroom. The 125.0 gr projectile in 0.284" calls for a 1:10.0 twist; slower twists will usually not stabilise this weight. Accurate 3100, Accurate MAGPRO, ADI AR 2213 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-16, ReloadSwiss RS 70, Ramshot Hunter rank at the top here: for 7 mm Rem. Mag. with the .284 | 125gr | Lehigh Defense Controlled Chaos they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate MAGPRO, ADI AR 2213, Bofors RP15 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.