Load Specifications
Load data in caliber .20 BR with .204 | 55gr | Berger Varmint bullet and 82 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Alliant Power Pro 2000-MR, ReloadSwiss RS 60 and Alliant Reloder-17.
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 2015 | <<locked>> | 84% | 52,301 psi | 89% | 3097 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 50,386 psi | 86% | 3104 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 50,734 psi | 86% | 3153 fps | 100% |
| Accurate 4064 | <<locked>> | 90% | 50,415 psi | 86% | 3146 fps | 100% |
| Accurate 4350 | <<locked>> | 98% | 50,241 psi | 86% | 3205 fps | 98.1% |
| ADI AR 2206H | <<locked>> | 86% | 51,343 psi | 87% | 3178 fps | 99.1% |
| ADI AR 2208 | <<locked>> | 92% | 52,417 psi | 89% | 3174 fps | 98.8% |
| ADI Benchmark 8208 | <<locked>> | 84% | 50,546 psi | 86% | 3133 fps | 99.6% |
| Alliant AR-Comp | <<locked>> | 84% | 50,299 psi | 86% | 3120 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 50,952 psi | 87% | 3285 fps | 98.6% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 52,315 psi | 89% | 3200 fps | 99.7% |
| Alliant Reloder-15 | <<locked>> | 90% | 52,707 psi | 90% | 3218 fps | 99% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 52,837 psi | 90% | 3270 fps | 98.7% |
| Alliant Reloder-17 | <<locked>> | 96% | 53,098 psi | 90% | 3316 fps | 99.8% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 37,173 psi | 63% | 2953 fps | 96.4% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 51,082 psi | 87% | 3180 fps | 98.3% |
| Bofors RP3 | <<locked>> | 92% | 52,475 psi | 89% | 3207 fps | 99.7% |
| Hodgdon Benchmark | <<locked>> | 84% | 52,344 psi | 89% | 3122 fps | 99.9% |
| Hodgdon BL-C2 | <<locked>> | 86% | 53,055 psi | 90% | 3212 fps | 100% |
| Hodgdon CFE223 | <<locked>> | 82% | 50,807 psi | 86% | 3245 fps | 98.7% |
| Hodgdon H322 | <<locked>> | 82% | 49,980 psi | 85% | 3126 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 50,299 psi | 86% | 3157 fps | 97.6% |
| Hodgdon H4895 | <<locked>> | 86% | 51,866 psi | 88% | 3193 fps | 99.5% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 48,950 psi | 83% | 3134 fps | 99.1% |
| Hodgdon LEVERevolution | <<locked>> | 90% | 50,923 psi | 87% | 3215 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,172 psi | 60% | 2037 fps | 100% |
| Hodgdon VARGET | <<locked>> | 90% | 51,938 psi | 88% | 3173 fps | 99.4% |
| IMR 3031 | <<locked>> | 90% | 53,026 psi | 90% | 3214 fps | 100% |
| IMR 4064 | <<locked>> | 92% | 51,285 psi | 87% | 3146 fps | 98.8% |
| IMR 4831ᴾ | <<locked>> | 100% | 46,224 psi | 79% | 3089 fps | 97.2% |
| IMR 4895 | <<locked>> | 88% | 50,691 psi | 86% | 3195 fps | 99.1% |
| IMR 8208 XBR | <<locked>> | 84% | 50,546 psi | 86% | 3134 fps | 99.6% |
| Lovex D073.6 | <<locked>> | 86% | 50,734 psi | 86% | 3152 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 51,314 psi | 87% | 3109 fps | 99.1% |
| Lovex S062 | <<locked>> | 90% | 51,750 psi | 88% | 3161 fps | 99.8% |
| Lovex S065 | <<locked>> | 96% | 50,966 psi | 87% | 3136 fps | 96.9% |
| Lovex S070 | <<locked>> | 98% | 51,605 psi | 88% | 3164 fps | 95.9% |
| Norma 201 | <<locked>> | 86% | 50,067 psi | 85% | 3122 fps | 99.6% |
| Norma 202 | <<locked>> | 86% | 50,763 psi | 86% | 3137 fps | 100% |
| Norma 203B | <<locked>> | 90% | 51,895 psi | 88% | 3203 fps | 99.2% |
| Norma URP | <<locked>> | 98% | 49,226 psi | 84% | 3187 fps | 97.9% |
| Ramshot Big Game | <<locked>> | 90% | 52,417 psi | 89% | 3221 fps | 99.2% |
| Ramshot Hunterᴾ | <<locked>> | 100% | 52,533 psi | 89% | 3238 fps | 96.8% |
| Ramshot TAC | <<locked>> | 84% | 50,865 psi | 87% | 3130 fps | 97% |
| Ramshot Wild Boar | <<locked>> | 84% | 49,966 psi | 85% | 3152 fps | 98.9% |
| Ramshot X-Terminator | <<locked>> | 82% | 51,590 psi | 88% | 3128 fps | 99% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,244 psi | 60% | 2084 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 50,705 psi | 86% | 3132 fps | 96.1% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 52,953 psi | 90% | 3289 fps | 99% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 53,026 psi | 90% | 3327 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 98% | 49,879 psi | 85% | 3217 fps | 97.9% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 50,067 psi | 85% | 3237 fps | 97.4% |
| Rottweil R 901 | <<locked>> | 84% | 51,155 psi | 87% | 3122 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 50,459 psi | 86% | 3119 fps | 99.6% |
| Rottweil R 903 | <<locked>> | 94% | 52,330 psi | 89% | 3197 fps | 99.6% |
| Shooters World Long Rifle | <<locked>> | 96% | 50,966 psi | 87% | 3136 fps | 96.9% |
| Shooters World Match Rifle | <<locked>> | 86% | 50,734 psi | 86% | 3152 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 51,750 psi | 88% | 3161 fps | 99.8% |
| Shooters World SW4350 | <<locked>> | 98% | 51,605 psi | 88% | 3163 fps | 95.9% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 51,140 psi | 87% | 3207 fps | 99.1% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 52,504 psi | 89% | 3163 fps | 97.9% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 50,096 psi | 85% | 3145 fps | 98.9% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 51,938 psi | 88% | 3079 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 51,895 psi | 88% | 3066 fps | 100% |
| Somchem S321 | <<locked>> | 82% | 51,605 psi | 88% | 3163 fps | 99.8% |
| Somchem S335 | <<locked>> | 86% | 51,082 psi | 87% | 3068 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 52,141 psi | 89% | 3159 fps | 99.2% |
| Somchem S355 | <<locked>> | 94% | 52,852 psi | 90% | 3198 fps | 99.5% |
| Somchem S365ᴾ | <<locked>> | 100% | 48,544 psi | 83% | 3193 fps | 99.8% |
| Unknown powder | <<locked>> | 96% | 50,792 psi | 86% | 3206 fps | 97.5% |
| Vihtavuori N130 | <<locked>> | 82% | 50,285 psi | 86% | 3031 fps | 100% |
| Vihtavuori N133 | <<locked>> | 88% | 51,169 psi | 87% | 3057 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 49,777 psi | 85% | 3094 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 50,430 psi | 86% | 3102 fps | 100% |
| Vihtavuori N150 | <<locked>> | 98% | 52,475 psi | 89% | 3130 fps | 99.9% |
| Vihtavuori N160 | <<locked>> | 96% | 51,329 psi | 87% | 3174 fps | 98.1% |
| Vihtavuori N530 | <<locked>> | 82% | 49,879 psi | 85% | 3135 fps | 99.6% |
| Vihtavuori N540 | <<locked>> | 88% | 50,198 psi | 85% | 3125 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 51,474 psi | 88% | 3225 fps | 98.1% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 40,683 psi | 69% | 3042 fps | 96.4% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 49,458 psi | 84% | 3111 fps | 99.4% |
| Winchester 748 | <<locked>> | 82% | 51,082 psi | 87% | 3187 fps | 99.9% |
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 2015 | <<locked>> | 80% | 45,948 psi | 78% | 2995 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 38,479 psi | 66% | 2890 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 44,063 psi | 75% | 3035 fps | 99.7% |
| Accurate 4064 | <<locked>> | 80% | 36,332 psi | 62% | 2871 fps | 99.3% |
| Accurate 4350 | <<locked>> | 92% | 40,277 psi | 69% | 3005 fps | 95.7% |
| ADI AR 2206H | <<locked>> | 80% | 42,525 psi | 72% | 3003 fps | 97.5% |
| ADI AR 2208 | <<locked>> | 82% | 38,203 psi | 65% | 2883 fps | 95.5% |
| ADI Benchmark 8208 | <<locked>> | 80% | 44,527 psi | 76% | 3018 fps | 98.9% |
| Alliant AR-Comp | <<locked>> | 80% | 43,772 psi | 75% | 3015 fps | 100% |
| Alliant Power Pro 2000-MR | 26.2 gr | 80% | 38,566 psi | 66% | 3007 fps | 95.1% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,128 psi | 60% | 2843 fps | 96.3% |
| Alliant Reloder-15 | <<locked>> | 80% | 38,261 psi | 65% | 2923 fps | 95.7% |
| Alliant Reloder-16 | <<locked>> | 92% | 40,263 psi | 69% | 3022 fps | 95.7% |
| Alliant Reloder-17 | 27 gr | 84% | 34,940 psi | 59% | 2913 fps | 95.6% |
| Alliant Reloder-23 | <<locked>> | 98% | 34,635 psi | 59% | 2890 fps | 95.3% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 41,452 psi | 71% | 2987 fps | 96.1% |
| Bofors RP3 | <<locked>> | 80% | 34,824 psi | 59% | 2845 fps | 96.4% |
| Hodgdon Benchmark | <<locked>> | 80% | 46,238 psi | 79% | 3014 fps | 99.5% |
| Hodgdon BL-C2 | <<locked>> | 80% | 43,323 psi | 74% | 3035 fps | 99.2% |
| Hodgdon CFE223 | <<locked>> | 80% | 47,630 psi | 81% | 3186 fps | 98.2% |
| Hodgdon H322 | <<locked>> | 80% | 46,760 psi | 80% | 3070 fps | 100% |
| Hodgdon H380 | <<locked>> | 84% | 40,988 psi | 70% | 2968 fps | 95.2% |
| Hodgdon H4895 | <<locked>> | 80% | 42,859 psi | 73% | 3017 fps | 98.1% |
| Hodgdon Hybrid 100V | <<locked>> | 90% | 34,534 psi | 59% | 2838 fps | 95.5% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 36,390 psi | 62% | 2910 fps | 96.8% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,063 psi | 44% | 1835 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 37,666 psi | 64% | 2884 fps | 96.7% |
| IMR 3031 | <<locked>> | 80% | 38,087 psi | 65% | 2942 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 37,521 psi | 64% | 2864 fps | 95.5% |
| IMR 4831 | <<locked>> | 96% | 39,508 psi | 67% | 2970 fps | 95.5% |
| IMR 4895 | <<locked>> | 80% | 39,189 psi | 67% | 2958 fps | 96.7% |
| IMR 8208 XBR | <<locked>> | 80% | 44,527 psi | 76% | 3020 fps | 98.9% |
| Lovex D073.6 | <<locked>> | 80% | 41,191 psi | 70% | 2977 fps | 99.4% |
| Lovex S060 | <<locked>> | 80% | 42,598 psi | 73% | 2939 fps | 97.6% |
| Lovex S062 | <<locked>> | 80% | 37,608 psi | 64% | 2876 fps | 97.5% |
| Lovex S065 | <<locked>> | 92% | 44,933 psi | 76% | 3020 fps | 95.4% |
| Lovex S070 | <<locked>> | 96% | 48,414 psi | 82% | 3103 fps | 95.1% |
| Norma 201 | <<locked>> | 80% | 41,321 psi | 70% | 2950 fps | 98.4% |
| Norma 202 | <<locked>> | 80% | 41,379 psi | 70% | 2964 fps | 99.7% |
| Norma 203B | <<locked>> | 80% | 37,652 psi | 64% | 2909 fps | 96.2% |
| Norma URP | <<locked>> | 92% | 40,422 psi | 69% | 3007 fps | 95.5% |
| Ramshot Big Game | <<locked>> | 80% | 37,231 psi | 63% | 2914 fps | 95.8% |
| Ramshot Hunter | <<locked>> | 96% | 45,411 psi | 77% | 3110 fps | 95.1% |
| Ramshot TAC | <<locked>> | 80% | 44,556 psi | 76% | 3007 fps | 95.4% |
| Ramshot Wild Boar | <<locked>> | 80% | 43,627 psi | 74% | 3027 fps | 97.7% |
| Ramshot X-Terminator | <<locked>> | 80% | 48,037 psi | 82% | 3063 fps | 98.5% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,078 psi | 44% | 1871 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 88% | 47,659 psi | 81% | 3073 fps | 95.3% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 39,842 psi | 68% | 3028 fps | 96.2% |
| ReloadSwiss RS 60 | 25.8 gr | 80% | 32,779 psi | 56% | 2867 fps | 97.3% |
| ReloadSwiss RS 62 | <<locked>> | 92% | 40,364 psi | 69% | 3027 fps | 95.3% |
| ReloadSwiss RS 70 | <<locked>> | 94% | 43,555 psi | 74% | 3099 fps | 95.4% |
| Rottweil R 901 | <<locked>> | 80% | 45,136 psi | 77% | 3011 fps | 99.9% |
| Rottweil R 902 | <<locked>> | 80% | 39,494 psi | 67% | 2900 fps | 97.9% |
| Rottweil R 903 | <<locked>> | 80% | 32,851 psi | 56% | 2784 fps | 95.2% |
| Shooters World Long Rifle | <<locked>> | 92% | 44,933 psi | 76% | 3020 fps | 95.4% |
| Shooters World Match Rifle | <<locked>> | 80% | 41,191 psi | 70% | 2977 fps | 99.4% |
| Shooters World Precision | <<locked>> | 80% | 37,608 psi | 64% | 2876 fps | 97.5% |
| Shooters World SW4350 | <<locked>> | 96% | 48,414 psi | 82% | 3104 fps | 95.1% |
| SNPE Vectan SP 11 | <<locked>> | 82% | 36,303 psi | 62% | 2897 fps | 95.5% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 42,409 psi | 72% | 2968 fps | 95.4% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 41,075 psi | 70% | 2963 fps | 97.1% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,699 psi | 73% | 2915 fps | 99.8% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,360 psi | 60% | 2759 fps | 99.5% |
| Somchem S321 | <<locked>> | 80% | 47,993 psi | 82% | 3099 fps | 99.5% |
| Somchem S335 | <<locked>> | 80% | 42,366 psi | 72% | 2914 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 42,192 psi | 72% | 2972 fps | 97.4% |
| Somchem S355 | <<locked>> | 80% | 33,663 psi | 57% | 2793 fps | 95.2% |
| Somchem S365 | <<locked>> | 88% | 31,836 psi | 54% | 2829 fps | 96% |
| Unknown powder | <<locked>> | 90% | 41,321 psi | 70% | 3014 fps | 95% |
| Vihtavuori N130 | <<locked>> | 80% | 47,166 psi | 80% | 2980 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 40,306 psi | 69% | 2867 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,479 psi | 66% | 2890 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 38,986 psi | 66% | 2887 fps | 99.6% |
| Vihtavuori N150 | <<locked>> | 82% | 30,458 psi | 52% | 2686 fps | 95.6% |
| Vihtavuori N160 | <<locked>> | 90% | 41,698 psi | 71% | 2991 fps | 95.8% |
| Vihtavuori N530 | <<locked>> | 80% | 46,731 psi | 80% | 3079 fps | 99.3% |
| Vihtavuori N540 | <<locked>> | 80% | 38,522 psi | 66% | 2898 fps | 99.4% |
| Vihtavuori N550 | <<locked>> | 88% | 39,378 psi | 67% | 2978 fps | 95% |
| Vihtavuori N555 | <<locked>> | 98% | 38,232 psi | 65% | 2981 fps | 95.5% |
| Winchester 6.5 StaBALL | <<locked>> | 86% | 35,186 psi | 60% | 2807 fps | 96% |
| Winchester 748 | <<locked>> | 80% | 47,326 psi | 81% | 3122 fps | 99.7% |
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 .20 BR loaded with the .204 | 55gr | Berger Varmint. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,327 fps; across all powders the maximum-charge window runs from 2,037 fps to 3,327 fps. Alliant Reloder-16 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 (405 MPa), the top charges use 60–90 %, leaving at least 10 % headroom. The 55.0 gr projectile in 0.204" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. Alliant Reloder-16, Alliant Reloder-23, Hodgdon Hybrid 100V 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 Power Pro 2000-MR, ReloadSwiss RS 60, Alliant Reloder-17 rank at the top here: for .20 BR with the .204 | 55gr | Berger Varmint 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.