
Load Specifications
Load data in caliber 37 XC with .375 | 210gr | Atomic 29 HP bullet and 122 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 70, Hodgdon Superformance 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: 30"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 84% | 61,859 psi | 89% | 3241 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 61,699 psi | 89% | 3274 fps | 100% |
| Accurate 2520 | <<locked>> | 82% | 59,466 psi | 85% | 3301 fps | 100% |
| Accurate 2700 | <<locked>> | 88% | 60,278 psi | 87% | 3307 fps | 99.2% |
| Accurate 3100ᴾ | <<locked>> | 100% | 49,545 psi | 71% | 3215 fps | 99.3% |
| Accurate 4064 | <<locked>> | 90% | 61,902 psi | 89% | 3333 fps | 100% |
| Accurate 4350 | <<locked>> | 96% | 59,654 psi | 86% | 3406 fps | 100% |
| Accurate High Countryᴾ | <<locked>> | 100% | 54,679 psi | 79% | 3442 fps | 97.6% |
| ADI APS 450 | <<locked>> | 84% | 62,149 psi | 89% | 2615 fps | 100% |
| ADI AR 2206H | <<locked>> | 86% | 61,511 psi | 88% | 3386 fps | 100% |
| ADI AR 2208 | <<locked>> | 92% | 62,830 psi | 90% | 3383 fps | 100% |
| ADI AR 2209ᴾ | <<locked>> | 100% | 57,203 psi | 82% | 3396 fps | 98.5% |
| ADI AR 2213ᴾ | <<locked>> | 100% | 51,184 psi | 74% | 3310 fps | 96.2% |
| ADI Benchmark 8208 | <<locked>> | 84% | 60,046 psi | 86% | 3320 fps | 100% |
| Alliant AR-Comp | <<locked>> | 84% | 61,859 psi | 89% | 3274 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 86% | 58,769 psi | 84% | 3478 fps | 100% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 57,058 psi | 82% | 3389 fps | 98.5% |
| Alliant Power Pro Varmintᴾ | <<locked>> | 100% | 57,058 psi | 82% | 3389 fps | 98.5% |
| Alliant Reloder- TS 15.5 | <<locked>> | 90% | 59,640 psi | 86% | 3350 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 88% | 60,075 psi | 86% | 3383 fps | 100% |
| Alliant Reloder-16 | <<locked>> | 98% | 60,292 psi | 87% | 3468 fps | 100% |
| Alliant Reloder-17 | <<locked>> | 94% | 62,671 psi | 90% | 3504 fps | 100% |
| Alliant Reloder-19ᴾ | <<locked>> | 100% | 56,188 psi | 81% | 3376 fps | 98.5% |
| Alliant Reloder-22ᴾ | <<locked>> | 100% | 49,632 psi | 71% | 3310 fps | 97.6% |
| Alliant Reloder-23ᴾ | <<locked>> | 100% | 46,601 psi | 67% | 3241 fps | 100% |
| Alliant Reloder-25ᴾ | <<locked>> | 100% | 40,756 psi | 59% | 3150 fps | 98.5% |
| Alliant Reloder-26ᴾ | <<locked>> | 100% | 53,983 psi | 78% | 3458 fps | 100% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 62,221 psi | 89% | 3406 fps | 100% |
| Bofors RP15ᴾ | <<locked>> | 100% | 45,382 psi | 65% | 3222 fps | 96.4% |
| Bofors RP3 | <<locked>> | 90% | 60,771 psi | 87% | 3369 fps | 100% |
| Bofors RP5ᴾ | <<locked>> | 100% | 49,632 psi | 71% | 3310 fps | 97.6% |
| Bofors RP7 | <<locked>> | 94% | 60,060 psi | 86% | 3353 fps | 99.4% |
| Hodgdon Benchmark | <<locked>> | 84% | 61,351 psi | 88% | 3294 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 84% | 60,350 psi | 87% | 3353 fps | 100% |
| Hodgdon H380 | <<locked>> | 90% | 61,511 psi | 88% | 3396 fps | 100% |
| Hodgdon H414 | <<locked>> | 96% | 62,439 psi | 90% | 3468 fps | 99.8% |
| Hodgdon H4350 | <<locked>> | 94% | 61,989 psi | 89% | 3422 fps | 99.2% |
| Hodgdon H4831ᴾ | <<locked>> | 100% | 55,027 psi | 79% | 3320 fps | 96.4% |
| Hodgdon H4831 SCᴾ | <<locked>> | 100% | 53,751 psi | 77% | 3297 fps | 96.1% |
| Hodgdon H4895 | <<locked>> | 86% | 62,236 psi | 89% | 3396 fps | 100% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 60,727 psi | 87% | 3369 fps | 100% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 62,975 psi | 90% | 3432 fps | 100% |
| Hodgdon Superformance | <<locked>> | 94% | 59,263 psi | 85% | 3455 fps | 99.6% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,882 psi | 52% | 2077 fps | 100% |
| Hodgdon VARGET | <<locked>> | 86% | 59,553 psi | 86% | 3337 fps | 100% |
| IMR 3031 | <<locked>> | 86% | 62,787 psi | 90% | 3360 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 62,207 psi | 89% | 3363 fps | 100% |
| IMR 4166 Enduron | <<locked>> | 88% | 61,728 psi | 89% | 3356 fps | 99.7% |
| IMR 4350 | <<locked>> | 98% | 61,206 psi | 88% | 3383 fps | 99.5% |
| IMR 4451 Enduron | <<locked>> | 94% | 62,134 psi | 89% | 3386 fps | 99.7% |
| IMR 4831 | <<locked>> | 98% | 59,944 psi | 86% | 3389 fps | 100% |
| IMR 4895 | <<locked>> | 88% | 61,670 psi | 89% | 3415 fps | 100% |
| IMR 4955 Enduronᴾ | <<locked>> | 100% | 56,724 psi | 81% | 3310 fps | 96.9% |
| IMR 8208 XBR | <<locked>> | 84% | 60,046 psi | 86% | 3320 fps | 100% |
| Lovex D073.6 | <<locked>> | 86% | 62,178 psi | 89% | 3343 fps | 100% |
| Lovex S060 | <<locked>> | 86% | 60,162 psi | 86% | 3294 fps | 100% |
| Lovex S062 | <<locked>> | 90% | 62,047 psi | 89% | 3350 fps | 100% |
| Lovex S065 | <<locked>> | 96% | 61,786 psi | 89% | 3373 fps | 100% |
| Lovex S070 | <<locked>> | 96% | 59,393 psi | 85% | 3363 fps | 99.7% |
| Lovex S071ᴾ | <<locked>> | 100% | 40,814 psi | 59% | 3045 fps | 97.8% |
| Norma 201 | <<locked>> | 86% | 59,872 psi | 86% | 3317 fps | 100% |
| Norma 202 | <<locked>> | 86% | 60,713 psi | 87% | 3310 fps | 100% |
| Norma 203B | <<locked>> | 88% | 59,306 psi | 85% | 3366 fps | 100% |
| Norma 204 | <<locked>> | 98% | 62,990 psi | 90% | 3455 fps | 99.1% |
| Norma MRPᴾ | <<locked>> | 100% | 52,837 psi | 76% | 3406 fps | 99.2% |
| Norma URP | <<locked>> | 98% | 62,149 psi | 89% | 3448 fps | 100% |
| Ramshot Big Game | <<locked>> | 88% | 60,698 psi | 87% | 3392 fps | 100% |
| Ramshot Grandᴾ | <<locked>> | 100% | 48,718 psi | 70% | 3284 fps | 96.1% |
| Ramshot Hunter | <<locked>> | 98% | 61,250 psi | 88% | 3451 fps | 100% |
| Ramshot Magnumᴾ | <<locked>> | 100% | 43,221 psi | 62% | 3143 fps | 96.6% |
| Ramshot TAC | <<locked>> | 84% | 60,611 psi | 87% | 3353 fps | 100% |
| Ramshot Wild Boar | <<locked>> | 84% | 60,655 psi | 87% | 3366 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 82% | 60,916 psi | 88% | 3323 fps | 100% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 36,448 psi | 52% | 2126 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 90% | 61,453 psi | 88% | 3376 fps | 99.9% |
| ReloadSwiss RS 52 | <<locked>> | 86% | 61,438 psi | 88% | 3465 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 92% | 62,033 psi | 89% | 3494 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 59,683 psi | 86% | 3428 fps | 100% |
| ReloadSwiss RS 70 | <<locked>> | 96% | 58,566 psi | 84% | 3468 fps | 100% |
| ReloadSwiss RS 76ᴾ | <<locked>> | 100% | 39,827 psi | 57% | 3156 fps | 96.5% |
| Rottweil R 901 | <<locked>> | 84% | 60,191 psi | 86% | 3284 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 60,423 psi | 87% | 3314 fps | 100% |
| Rottweil R 903 | <<locked>> | 92% | 60,611 psi | 87% | 3360 fps | 100% |
| Rottweil R 904ᴾ | <<locked>> | 100% | 59,030 psi | 85% | 3356 fps | 97.8% |
| Rottweil R 905ᴾ | <<locked>> | 100% | 55,230 psi | 79% | 3360 fps | 98.4% |
| Rottweil R 907 | <<locked>> | 94% | 60,060 psi | 86% | 3353 fps | 99.4% |
| Shooters World Long Rifle | <<locked>> | 96% | 61,786 psi | 89% | 3373 fps | 100% |
| Shooters World Match Rifle | <<locked>> | 86% | 62,178 psi | 89% | 3343 fps | 100% |
| Shooters World Precision | <<locked>> | 90% | 62,047 psi | 89% | 3350 fps | 100% |
| Shooters World SW4350 | <<locked>> | 96% | 59,393 psi | 85% | 3363 fps | 99.7% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 62,990 psi | 90% | 3432 fps | 100% |
| SNPE Vectan SP 7 | <<locked>> | 84% | 59,437 psi | 85% | 3333 fps | 100% |
| SNPE Vectan SP 9 | <<locked>> | 86% | 60,017 psi | 86% | 3350 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 60,916 psi | 88% | 3232 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 62,047 psi | 89% | 3228 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 96% | 62,221 psi | 89% | 3323 fps | 99.7% |
| SNPE Vectan Tubal 8000ᴾ | <<locked>> | 100% | 54,737 psi | 79% | 3353 fps | 98.4% |
| Somchem S321 | <<locked>> | 82% | 61,786 psi | 89% | 3353 fps | 100% |
| Somchem S335 | <<locked>> | 86% | 60,495 psi | 87% | 3228 fps | 100% |
| Somchem S341 | <<locked>> | 84% | 59,088 psi | 85% | 3310 fps | 100% |
| Somchem S355 | <<locked>> | 92% | 60,408 psi | 87% | 3356 fps | 100% |
| Somchem S361ᴾ | <<locked>> | 100% | 61,540 psi | 88% | 3346 fps | 97.5% |
| Somchem S365ᴾ | <<locked>> | 100% | 61,380 psi | 88% | 3438 fps | 100% |
| Somchem S385ᴾ | <<locked>> | 100% | 55,956 psi | 80% | 3330 fps | 99.1% |
| Vihtavuori N130 | <<locked>> | 82% | 60,162 psi | 86% | 3182 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 61,322 psi | 88% | 3209 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 60,771 psi | 87% | 3261 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 61,482 psi | 88% | 3278 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 62,439 psi | 90% | 3323 fps | 100% |
| Vihtavuori N160 | <<locked>> | 96% | 60,713 psi | 87% | 3379 fps | 100% |
| Vihtavuori N165ᴾ | <<locked>> | 100% | 48,182 psi | 69% | 3173 fps | 97.6% |
| Vihtavuori N530 | <<locked>> | 84% | 60,829 psi | 87% | 3320 fps | 100% |
| Vihtavuori N540 | <<locked>> | 88% | 59,611 psi | 86% | 3278 fps | 100% |
| Vihtavuori N550 | <<locked>> | 96% | 59,756 psi | 86% | 3389 fps | 100% |
| Vihtavuori N555ᴾ | <<locked>> | 100% | 52,170 psi | 75% | 3327 fps | 100% |
| Vihtavuori N560ᴾ | <<locked>> | 100% | 53,388 psi | 77% | 3392 fps | 96.5% |
| Winchester 6.5 StaBALL | <<locked>> | 96% | 61,235 psi | 88% | 3340 fps | 100% |
| Winchester 748 | <<locked>> | 84% | 61,743 psi | 89% | 3376 fps | 100% |
| Winchester 760 | <<locked>> | 96% | 62,613 psi | 90% | 3471 fps | 99.8% |
| Winchester StaBALL HDᴾ | <<locked>> | 100% | 42,047 psi | 60% | 3294 fps | 100% |
| Winchester StaBALL Match | <<locked>> | 86% | 60,365 psi | 87% | 3360 fps | 100% |
| Winchester Supreme 780ᴾ | <<locked>> | 100% | 52,605 psi | 76% | 3261 fps | 97.8% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 30"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 54,476 psi | 78% | 3143 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 47,123 psi | 68% | 3068 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 55,492 psi | 80% | 3245 fps | 100% |
| Accurate 2700 | <<locked>> | 80% | 46,006 psi | 66% | 3061 fps | 97% |
| Accurate 3100 | <<locked>> | 90% | 34,592 psi | 50% | 2900 fps | 95.9% |
| Accurate 4064 | <<locked>> | 80% | 44,657 psi | 64% | 3071 fps | 100% |
| Accurate 4350 | <<locked>> | 80% | 33,402 psi | 48% | 2897 fps | 97.1% |
| Accurate High Country | <<locked>> | 96% | 47,137 psi | 68% | 3301 fps | 95.9% |
| ADI APS 450 | <<locked>> | 80% | 58,088 psi | 83% | 2552 fps | 100% |
| ADI AR 2206H | <<locked>> | 80% | 50,589 psi | 73% | 3212 fps | 100% |
| ADI AR 2208 | <<locked>> | 80% | 43,033 psi | 62% | 3051 fps | 99.5% |
| ADI AR 2209 | <<locked>> | 92% | 43,613 psi | 63% | 3136 fps | 95.6% |
| ADI AR 2213 | <<locked>> | 98% | 47,747 psi | 69% | 3245 fps | 95.2% |
| ADI Benchmark 8208 | <<locked>> | 80% | 52,736 psi | 76% | 3212 fps | 100% |
| Alliant AR-Comp | <<locked>> | 80% | 54,143 psi | 78% | 3176 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 80% | 47,195 psi | 68% | 3281 fps | 99.9% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 43,642 psi | 63% | 3136 fps | 95.7% |
| Alliant Power Pro Varmint | <<locked>> | 92% | 43,642 psi | 63% | 3136 fps | 95.7% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 43,062 psi | 62% | 3074 fps | 100% |
| Alliant Reloder-15 | <<locked>> | 80% | 46,093 psi | 66% | 3150 fps | 99.8% |
| Alliant Reloder-16 | <<locked>> | 80% | 33,359 psi | 48% | 2920 fps | 97.3% |
| Alliant Reloder-17 | 99.8 gr | 80% | 37,710 psi | 54% | 3064 fps | 99.6% |
| Alliant Reloder-19 | <<locked>> | 92% | 43,062 psi | 62% | 3127 fps | 95.6% |
| Alliant Reloder-22 | <<locked>> | 94% | 40,393 psi | 58% | 3114 fps | 95% |
| Alliant Reloder-23 | <<locked>> | 82% | 25,643 psi | 37% | 2690 fps | 95.3% |
| Alliant Reloder-25 | <<locked>> | 94% | 33,489 psi | 48% | 2949 fps | 95.9% |
| Alliant Reloder-26 | <<locked>> | 86% | 31,778 psi | 46% | 2956 fps | 96.2% |
| Baschieri & Pellagri 107 | <<locked>> | 80% | 50,575 psi | 73% | 3225 fps | 99.9% |
| Bofors RP15 | <<locked>> | 98% | 42,496 psi | 61% | 3159 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 43,105 psi | 62% | 3081 fps | 100% |
| Bofors RP5 | <<locked>> | 94% | 40,393 psi | 58% | 3114 fps | 95% |
| Bofors RP7 | <<locked>> | 80% | 38,203 psi | 55% | 2933 fps | 95.1% |
| Hodgdon Benchmark | <<locked>> | 80% | 54,157 psi | 78% | 3189 fps | 100% |
| Hodgdon BL-C2 | <<locked>> | 80% | 52,663 psi | 76% | 3241 fps | 100% |
| Hodgdon H380 | <<locked>> | 80% | 43,714 psi | 63% | 3091 fps | 99% |
| Hodgdon H414 | <<locked>> | 80% | 35,824 psi | 51% | 2956 fps | 95% |
| Hodgdon H4350 | <<locked>> | 82% | 41,698 psi | 60% | 3051 fps | 95.4% |
| Hodgdon H4831 | <<locked>> | 98% | 51,343 psi | 74% | 3255 fps | 95.6% |
| Hodgdon H4831 SC | <<locked>> | 98% | 50,169 psi | 72% | 3232 fps | 95.3% |
| Hodgdon H4895 | <<locked>> | 80% | 51,111 psi | 73% | 3225 fps | 100% |
| Hodgdon Hybrid 100V | <<locked>> | 80% | 30,647 psi | 44% | 2799 fps | 97.9% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 47,819 psi | 69% | 3202 fps | 100% |
| Hodgdon Superformance | 108.1 gr | 82% | 37,753 psi | 54% | 3028 fps | 95.3% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,701 psi | 38% | 1864 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 49,023 psi | 70% | 3169 fps | 100% |
| IMR 3031 | <<locked>> | 80% | 51,430 psi | 74% | 3202 fps | 100% |
| IMR 4064 | <<locked>> | 80% | 45,208 psi | 65% | 3087 fps | 99.8% |
| IMR 4166 Enduron | <<locked>> | 80% | 47,645 psi | 68% | 3114 fps | 98.1% |
| IMR 4350 | <<locked>> | 84% | 38,943 psi | 56% | 2969 fps | 95.4% |
| IMR 4451 Enduron | <<locked>> | 80% | 39,769 psi | 57% | 2972 fps | 96.1% |
| IMR 4831 | <<locked>> | 80% | 32,416 psi | 47% | 2851 fps | 96.8% |
| IMR 4895 | <<locked>> | 80% | 47,268 psi | 68% | 3182 fps | 100% |
| IMR 4955 Enduron | <<locked>> | 96% | 49,864 psi | 72% | 3189 fps | 95.4% |
| IMR 8208 XBR | <<locked>> | 80% | 52,736 psi | 76% | 3212 fps | 100% |
| Lovex D073.6 | <<locked>> | 80% | 50,502 psi | 73% | 3179 fps | 100% |
| Lovex S060 | <<locked>> | 80% | 49,980 psi | 72% | 3133 fps | 100% |
| Lovex S062 | <<locked>> | 80% | 45,194 psi | 65% | 3084 fps | 100% |
| Lovex S065 | <<locked>> | 80% | 37,086 psi | 53% | 2913 fps | 96.8% |
| Lovex S070 | <<locked>> | 82% | 37,753 psi | 54% | 2946 fps | 95.9% |
| Lovex S071 | <<locked>> | 94% | 33,243 psi | 48% | 2864 fps | 95.3% |
| Norma 201 | <<locked>> | 80% | 49,371 psi | 71% | 3153 fps | 100% |
| Norma 202 | <<locked>> | 80% | 50,038 psi | 72% | 3153 fps | 100% |
| Norma 203B | <<locked>> | 80% | 45,455 psi | 65% | 3133 fps | 99.9% |
| Norma 204 | <<locked>> | 88% | 44,266 psi | 64% | 3130 fps | 95.7% |
| Norma MRP | <<locked>> | 90% | 36,927 psi | 53% | 3061 fps | 95.3% |
| Norma URP | <<locked>> | 80% | 33,707 psi | 48% | 2904 fps | 97% |
| Ramshot Big Game | <<locked>> | 80% | 45,847 psi | 66% | 3153 fps | 99.9% |
| Ramshot Grand | <<locked>> | 98% | 45,194 psi | 65% | 3212 fps | 95% |
| Ramshot Hunter | <<locked>> | 82% | 35,186 psi | 51% | 2949 fps | 95.8% |
| Ramshot Magnum | <<locked>> | 98% | 40,089 psi | 58% | 3071 fps | 95.6% |
| Ramshot TAC | <<locked>> | 80% | 52,997 psi | 76% | 3235 fps | 99.7% |
| Ramshot Wild Boar | <<locked>> | 80% | 53,011 psi | 76% | 3251 fps | 100% |
| Ramshot X-Terminator | <<locked>> | 80% | 57,058 psi | 82% | 3268 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 27,064 psi | 39% | 1909 fps | 100% |
| ReloadSwiss RS 50 | <<locked>> | 80% | 44,019 psi | 63% | 3071 fps | 97.9% |
| ReloadSwiss RS 52 | <<locked>> | 80% | 49,617 psi | 71% | 3278 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 40,147 psi | 58% | 3130 fps | 100% |
| ReloadSwiss RS 62 | <<locked>> | 80% | 33,388 psi | 48% | 2920 fps | 96.8% |
| ReloadSwiss RS 70 | 101.4 gr | 80% | 33,011 psi | 47% | 2927 fps | 96% |
| ReloadSwiss RS 76 | <<locked>> | 98% | 36,999 psi | 53% | 3074 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 53,243 psi | 76% | 3182 fps | 100% |
| Rottweil R 902 | <<locked>> | 80% | 46,891 psi | 67% | 3097 fps | 100% |
| Rottweil R 903 | <<locked>> | 80% | 40,422 psi | 58% | 3018 fps | 99.8% |
| Rottweil R 904 | <<locked>> | 94% | 48,312 psi | 69% | 3173 fps | 95.6% |
| Rottweil R 905 | <<locked>> | 92% | 41,945 psi | 60% | 3104 fps | 95.5% |
| Rottweil R 907 | <<locked>> | 80% | 38,203 psi | 55% | 2933 fps | 95.1% |
| Shooters World Long Rifle | <<locked>> | 80% | 37,086 psi | 53% | 2913 fps | 96.8% |
| Shooters World Match Rifle | <<locked>> | 80% | 50,502 psi | 73% | 3179 fps | 100% |
| Shooters World Precision | <<locked>> | 80% | 45,194 psi | 65% | 3084 fps | 100% |
| Shooters World SW4350 | <<locked>> | 82% | 37,753 psi | 54% | 2946 fps | 95.9% |
| SNPE Vectan SP 11 | <<locked>> | 80% | 41,742 psi | 60% | 3077 fps | 99.7% |
| SNPE Vectan SP 7 | <<locked>> | 80% | 51,605 psi | 74% | 3209 fps | 99.8% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 49,168 psi | 71% | 3179 fps | 100% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 50,430 psi | 72% | 3081 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 42,395 psi | 61% | 2936 fps | 100% |
| SNPE Vectan Tubal 7000 | <<locked>> | 80% | 36,390 psi | 52% | 2848 fps | 95.2% |
| SNPE Vectan Tubal 8000 | <<locked>> | 92% | 41,539 psi | 60% | 3097 fps | 95.3% |
| Somchem S321 | <<locked>> | 80% | 57,798 psi | 83% | 3297 fps | 100% |
| Somchem S335 | <<locked>> | 80% | 50,169 psi | 72% | 3077 fps | 100% |
| Somchem S341 | <<locked>> | 80% | 51,430 psi | 74% | 3196 fps | 100% |
| Somchem S355 | <<locked>> | 80% | 41,031 psi | 59% | 3022 fps | 99.8% |
| Somchem S361 | <<locked>> | 94% | 50,009 psi | 72% | 3159 fps | 95.2% |
| Somchem S365 | <<locked>> | 80% | 30,182 psi | 43% | 2851 fps | 99% |
| Somchem S385 | <<locked>> | 90% | 39,784 psi | 57% | 3022 fps | 95.8% |
| Vihtavuori N130 | <<locked>> | 80% | 56,652 psi | 81% | 3133 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 50,981 psi | 73% | 3068 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 46,978 psi | 67% | 3061 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 47,442 psi | 68% | 3074 fps | 100% |
| Vihtavuori N150 | <<locked>> | 80% | 39,131 psi | 56% | 2943 fps | 100% |
| Vihtavuori N160 | <<locked>> | 80% | 35,099 psi | 50% | 2904 fps | 97.4% |
| Vihtavuori N165 | <<locked>> | 94% | 39,233 psi | 56% | 2989 fps | 95.1% |
| Vihtavuori N530 | <<locked>> | 80% | 53,156 psi | 76% | 3209 fps | 100% |
| Vihtavuori N540 | <<locked>> | 80% | 45,847 psi | 66% | 3068 fps | 100% |
| Vihtavuori N550 | <<locked>> | 80% | 34,635 psi | 50% | 2904 fps | 97.1% |
| Vihtavuori N555 | <<locked>> | 82% | 27,804 psi | 40% | 2776 fps | 95.5% |
| Vihtavuori N560 | <<locked>> | 98% | 49,719 psi | 71% | 3323 fps | 95.6% |
| Winchester 6.5 StaBALL | <<locked>> | 80% | 34,722 psi | 50% | 2874 fps | 99.2% |
| Winchester 748 | <<locked>> | 80% | 53,751 psi | 77% | 3261 fps | 100% |
| Winchester 760 | <<locked>> | 80% | 35,911 psi | 52% | 2959 fps | 95% |
| Winchester StaBALL HD | <<locked>> | 86% | 25,831 psi | 37% | 2782 fps | 96.4% |
| Winchester StaBALL Match | <<locked>> | 80% | 49,139 psi | 71% | 3186 fps | 100% |
| Winchester Supreme 780 | <<locked>> | 94% | 42,337 psi | 61% | 3064 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 122 powders for 37 XC loaded with the .375 | 210gr | Atomic 29 HP. Alliant Reloder-17 delivers the highest muzzle velocity at 3,504 fps; across all powders the maximum-charge window runs from 2,077 fps to 3,504 fps. Accurate 3100 gives the best case fill at 100 %, and 122 of the 122 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (480 MPa), the top charges use 52–90 %, leaving at least 10 % headroom. Accurate 3100, Accurate High Country, ADI AR 2209 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. ReloadSwiss RS 70, Hodgdon Superformance, Alliant Reloder-17 rank at the top here: for 37 XC with the .375 | 210gr | Atomic 29 HP 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.