Load Specifications
Load data in caliber 7 x 57 with .284 | 120gr | Barnes X BT bullet and 72 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 60, Alliant Power Pro 2000-MR 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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 84% | 51,053 psi | 90% | 2874 fps | 100% |
| Accurate 2495 | <<locked>> | 88% | 49,690 psi | 88% | 2897 fps | 100% |
| Accurate 2520 | <<locked>> | 84% | 50,575 psi | 89% | 2943 fps | 99.9% |
| Accurate 4064 | <<locked>> | 90% | 49,443 psi | 87% | 2933 fps | 100% |
| Accurate 4350ᴾ | <<locked>> | 100% | 50,662 psi | 90% | 3022 fps | 97.3% |
| ADI AR 2206H | <<locked>> | 86% | 49,705 psi | 88% | 2940 fps | 98.3% |
| ADI AR 2208 | <<locked>> | 92% | 50,430 psi | 89% | 2933 fps | 97.8% |
| ADI Benchmark 8208 | <<locked>> | 84% | 48,965 psi | 87% | 2897 fps | 99% |
| Alliant AR-Comp | <<locked>> | 84% | 48,704 psi | 86% | 2900 fps | 100% |
| Alliant Power Pro 2000-MR | <<locked>> | 88% | 48,472 psi | 86% | 3028 fps | 97.2% |
| Alliant Reloder- TS 15.5 | <<locked>> | 92% | 50,024 psi | 88% | 2963 fps | 99% |
| Alliant Reloder-15 | <<locked>> | 90% | 50,618 psi | 89% | 2976 fps | 98% |
| Alliant Reloder-16ᴾ | <<locked>> | 100% | 49,139 psi | 87% | 3012 fps | 97.2% |
| Alliant Reloder-17 | <<locked>> | 96% | 49,908 psi | 88% | 3058 fps | 98.8% |
| Baschieri & Pellagri 107 | <<locked>> | 86% | 48,675 psi | 86% | 2936 fps | 97.1% |
| Bofors RP3 | <<locked>> | 92% | 50,633 psi | 90% | 2979 fps | 99.1% |
| Hodgdon Benchmark | <<locked>> | 84% | 50,763 psi | 90% | 2887 fps | 99.6% |
| Hodgdon BL-C2 | <<locked>> | 86% | 51,024 psi | 90% | 2979 fps | 99.6% |
| Hodgdon CFE223 | <<locked>> | 82% | 48,486 psi | 86% | 2999 fps | 97.6% |
| Hodgdon H380 | <<locked>> | 90% | 48,356 psi | 85% | 2920 fps | 96.2% |
| Hodgdon H4895 | <<locked>> | 86% | 50,169 psi | 89% | 2956 fps | 98.8% |
| Hodgdon Hybrid 100Vᴾ | <<locked>> | 100% | 45,556 psi | 81% | 2897 fps | 97.9% |
| Hodgdon LEVERevolution | <<locked>> | 88% | 48,399 psi | 86% | 2976 fps | 98.9% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 35,201 psi | 62% | 1854 fps | 100% |
| Hodgdon VARGET | <<locked>> | 88% | 51,097 psi | 90% | 2956 fps | 98.8% |
| IMR 3031 | <<locked>> | 86% | 49,269 psi | 87% | 2956 fps | 100% |
| IMR 4064 | <<locked>> | 90% | 50,009 psi | 88% | 2917 fps | 97.9% |
| IMR 4831ᴾ | <<locked>> | 100% | 47,877 psi | 85% | 2953 fps | 96.8% |
| IMR 4895 | <<locked>> | 88% | 48,849 psi | 86% | 2956 fps | 98.2% |
| IMR 8208 XBR | <<locked>> | 84% | 48,965 psi | 87% | 2897 fps | 99% |
| Lovex D073.6 | <<locked>> | 86% | 48,950 psi | 87% | 2927 fps | 99.8% |
| Lovex S060 | <<locked>> | 86% | 49,763 psi | 88% | 2871 fps | 98.3% |
| Lovex S062 | <<locked>> | 90% | 50,067 psi | 89% | 2927 fps | 99.3% |
| Norma 201 | <<locked>> | 86% | 49,008 psi | 87% | 2894 fps | 99.1% |
| Norma 202 | <<locked>> | 86% | 49,081 psi | 87% | 2907 fps | 100% |
| Norma 203B | <<locked>> | 90% | 49,864 psi | 88% | 2966 fps | 98.3% |
| Norma URPᴾ | <<locked>> | 100% | 49,806 psi | 88% | 3005 fps | 97% |
| Ramshot Big Game | <<locked>> | 90% | 49,559 psi | 88% | 2979 fps | 98.1% |
| Ramshot Wild Boar | <<locked>> | 84% | 48,240 psi | 85% | 2920 fps | 98% |
| Ramshot X-Terminator | <<locked>> | 82% | 49,879 psi | 88% | 2894 fps | 98.1% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 35,810 psi | 63% | 1903 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 88% | 49,995 psi | 88% | 3035 fps | 97.9% |
| ReloadSwiss RS 60 | <<locked>> | 94% | 49,734 psi | 88% | 3071 fps | 100% |
| ReloadSwiss RS 62ᴾ | <<locked>> | 100% | 49,893 psi | 88% | 3031 fps | 96.8% |
| ReloadSwiss RS 70ᴾ | <<locked>> | 100% | 50,662 psi | 90% | 3045 fps | 96.1% |
| Rottweil R 901 | <<locked>> | 84% | 50,705 psi | 90% | 2900 fps | 100% |
| Rottweil R 902 | <<locked>> | 88% | 49,603 psi | 88% | 2897 fps | 99.1% |
| Rottweil R 903 | <<locked>> | 94% | 50,473 psi | 89% | 2969 fps | 98.9% |
| Shooters World Match Rifle | <<locked>> | 86% | 48,950 psi | 87% | 2927 fps | 99.8% |
| Shooters World Precision | <<locked>> | 90% | 50,067 psi | 89% | 2927 fps | 99.3% |
| SNPE Vectan SP 11 | <<locked>> | 92% | 48,211 psi | 85% | 2963 fps | 98% |
| SNPE Vectan SP 7 | <<locked>> | 86% | 50,662 psi | 90% | 2930 fps | 96.6% |
| SNPE Vectan SP 9 | <<locked>> | 88% | 51,068 psi | 90% | 2963 fps | 98.5% |
| SNPE Vectan Tubal 3000 | <<locked>> | 86% | 50,401 psi | 89% | 2848 fps | 100% |
| SNPE Vectan Tubal 5000 | <<locked>> | 92% | 49,937 psi | 88% | 2844 fps | 100% |
| Somchem S321 | <<locked>> | 82% | 49,647 psi | 88% | 2930 fps | 99.3% |
| Somchem S335 | <<locked>> | 86% | 49,893 psi | 88% | 2851 fps | 100% |
| Somchem S341 | <<locked>> | 86% | 49,705 psi | 88% | 2920 fps | 98.2% |
| Somchem S355 | <<locked>> | 94% | 50,821 psi | 90% | 2963 fps | 98.8% |
| Somchem S365ᴾ | <<locked>> | 100% | 44,846 psi | 79% | 2956 fps | 99% |
| Vihtavuori N130 | <<locked>> | 82% | 50,488 psi | 89% | 2828 fps | 100% |
| Vihtavuori N133 | <<locked>> | 86% | 50,343 psi | 89% | 2841 fps | 100% |
| Vihtavuori N135 | <<locked>> | 88% | 48,530 psi | 86% | 2877 fps | 100% |
| Vihtavuori N140 | <<locked>> | 88% | 49,226 psi | 87% | 2884 fps | 100% |
| Vihtavuori N150 | <<locked>> | 94% | 48,979 psi | 87% | 2897 fps | 99.4% |
| Vihtavuori N160 | <<locked>> | 98% | 48,965 psi | 87% | 2946 fps | 96.7% |
| Vihtavuori N530 | <<locked>> | 84% | 49,037 psi | 87% | 2894 fps | 99.1% |
| Vihtavuori N540 | <<locked>> | 90% | 50,618 psi | 89% | 2923 fps | 100% |
| Vihtavuori N550 | <<locked>> | 98% | 48,370 psi | 86% | 2953 fps | 96.5% |
| Winchester 6.5 StaBALL | <<locked>> | 98% | 50,096 psi | 89% | 2933 fps | 98.8% |
| Winchester 748 | <<locked>> | 84% | 48,370 psi | 86% | 2943 fps | 99.5% |
| Winchester StaBALL Match | <<locked>> | 88% | 50,705 psi | 90% | 2969 fps | 98.9% |
Recommended = one of the top powders for this cartridge and bullet combination.
Start Load - Barrel Length: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 80% | 45,266 psi | 80% | 2776 fps | 100% |
| Accurate 2495 | <<locked>> | 80% | 39,030 psi | 69% | 2700 fps | 100% |
| Accurate 2520 | <<locked>> | 80% | 44,614 psi | 79% | 2835 fps | 99.5% |
| Accurate 4064 | <<locked>> | 80% | 36,869 psi | 65% | 2680 fps | 99% |
| Accurate 4350 | <<locked>> | 94% | 41,568 psi | 73% | 2844 fps | 95% |
| ADI AR 2206H | <<locked>> | 80% | 41,495 psi | 73% | 2772 fps | 96.4% |
| ADI AR 2208 | <<locked>> | 84% | 39,871 psi | 70% | 2720 fps | 95.1% |
| ADI Benchmark 8208 | <<locked>> | 80% | 43,323 psi | 77% | 2789 fps | 98.1% |
| Alliant AR-Comp | <<locked>> | 80% | 42,830 psi | 76% | 2802 fps | 100% |
| Alliant Power Pro 2000-MR | 45.8 gr | 84% | 42,583 psi | 75% | 2897 fps | 95.4% |
| Alliant Reloder- TS 15.5 | <<locked>> | 80% | 35,070 psi | 62% | 2644 fps | 95.4% |
| Alliant Reloder-15 | <<locked>> | 82% | 39,987 psi | 71% | 2762 fps | 95.4% |
| Alliant Reloder-16 | <<locked>> | 96% | 43,729 psi | 77% | 2900 fps | 95.6% |
| Alliant Reloder-17 | 46.2 gr | 86% | 36,666 psi | 65% | 2759 fps | 95% |
| Baschieri & Pellagri 107 | <<locked>> | 82% | 42,801 psi | 76% | 2818 fps | 95.5% |
| Bofors RP3 | <<locked>> | 80% | 34,809 psi | 62% | 2648 fps | 95.5% |
| Hodgdon Benchmark | <<locked>> | 80% | 45,310 psi | 80% | 2785 fps | 98.9% |
| Hodgdon BL-C2 | <<locked>> | 80% | 41,989 psi | 74% | 2808 fps | 98.4% |
| Hodgdon CFE223 | <<locked>> | 80% | 45,339 psi | 80% | 2936 fps | 96.9% |
| Hodgdon H380 | <<locked>> | 88% | 45,527 psi | 80% | 2864 fps | 95.5% |
| Hodgdon H4895 | <<locked>> | 80% | 41,843 psi | 74% | 2789 fps | 97.1% |
| Hodgdon Hybrid 100V | <<locked>> | 94% | 38,072 psi | 67% | 2733 fps | 95.8% |
| Hodgdon LEVERevolution | <<locked>> | 80% | 37,739 psi | 67% | 2749 fps | 96.4% |
| Hodgdon TrailBoss | <<locked>> | 80% | 26,426 psi | 47% | 1660 fps | 100% |
| Hodgdon VARGET | <<locked>> | 80% | 40,089 psi | 71% | 2736 fps | 96.6% |
| IMR 3031 | <<locked>> | 80% | 40,756 psi | 72% | 2799 fps | 100% |
| IMR 4064 | <<locked>> | 82% | 39,436 psi | 70% | 2703 fps | 95.3% |
| IMR 4831 | <<locked>> | 96% | 42,395 psi | 75% | 2844 fps | 95.4% |
| IMR 4895 | <<locked>> | 80% | 38,334 psi | 68% | 2736 fps | 95.6% |
| IMR 8208 XBR | <<locked>> | 80% | 43,323 psi | 77% | 2789 fps | 98.1% |
| Lovex D073.6 | <<locked>> | 80% | 40,625 psi | 72% | 2766 fps | 98.9% |
| Lovex S060 | <<locked>> | 80% | 41,785 psi | 74% | 2713 fps | 96.6% |
| Lovex S062 | <<locked>> | 80% | 37,362 psi | 66% | 2667 fps | 96.7% |
| Norma 201 | <<locked>> | 80% | 41,191 psi | 73% | 2740 fps | 97.7% |
| Norma 202 | <<locked>> | 80% | 41,075 psi | 73% | 2756 fps | 99.4% |
| Norma 203B | <<locked>> | 80% | 36,883 psi | 65% | 2690 fps | 95% |
| Norma URP | <<locked>> | 96% | 44,135 psi | 78% | 2894 fps | 95.6% |
| Ramshot Big Game | <<locked>> | 82% | 38,595 psi | 68% | 2753 fps | 95.3% |
| Ramshot Wild Boar | <<locked>> | 80% | 42,395 psi | 75% | 2802 fps | 96.6% |
| Ramshot X-Terminator | <<locked>> | 80% | 46,847 psi | 83% | 2838 fps | 97.6% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 26,847 psi | 47% | 1703 fps | 100% |
| ReloadSwiss RS 52 | <<locked>> | 82% | 41,089 psi | 73% | 2854 fps | 95.6% |
| ReloadSwiss RS 60 | 42.9 gr | 80% | 32,213 psi | 57% | 2644 fps | 95.8% |
| ReloadSwiss RS 62 | <<locked>> | 96% | 43,932 psi | 78% | 2913 fps | 95.2% |
| ReloadSwiss RS 70 | <<locked>> | 98% | 47,413 psi | 84% | 2982 fps | 95.2% |
| Rottweil R 901 | <<locked>> | 80% | 45,455 psi | 80% | 2802 fps | 99.7% |
| Rottweil R 902 | <<locked>> | 80% | 39,508 psi | 70% | 2694 fps | 97.3% |
| Rottweil R 903 | <<locked>> | 82% | 34,940 psi | 62% | 2644 fps | 95.1% |
| Shooters World Match Rifle | <<locked>> | 80% | 40,625 psi | 72% | 2766 fps | 98.9% |
| Shooters World Precision | <<locked>> | 80% | 37,362 psi | 66% | 2667 fps | 96.7% |
| SNPE Vectan SP 11 | <<locked>> | 84% | 37,782 psi | 67% | 2736 fps | 95% |
| SNPE Vectan SP 7 | <<locked>> | 82% | 44,498 psi | 79% | 2812 fps | 95% |
| SNPE Vectan SP 9 | <<locked>> | 80% | 40,059 psi | 71% | 2740 fps | 96% |
| SNPE Vectan Tubal 3000 | <<locked>> | 80% | 42,322 psi | 75% | 2700 fps | 99.5% |
| SNPE Vectan Tubal 5000 | <<locked>> | 80% | 35,143 psi | 62% | 2559 fps | 99.1% |
| Somchem S321 | <<locked>> | 80% | 46,644 psi | 82% | 2871 fps | 98.9% |
| Somchem S335 | <<locked>> | 80% | 42,018 psi | 74% | 2703 fps | 99.8% |
| Somchem S341 | <<locked>> | 80% | 41,017 psi | 73% | 2753 fps | 96.2% |
| Somchem S355 | <<locked>> | 82% | 35,679 psi | 63% | 2648 fps | 95.1% |
| Somchem S365 | <<locked>> | 90% | 33,214 psi | 59% | 2674 fps | 95.5% |
| Vihtavuori N130 | <<locked>> | 80% | 47,587 psi | 84% | 2779 fps | 100% |
| Vihtavuori N133 | <<locked>> | 80% | 42,264 psi | 75% | 2700 fps | 100% |
| Vihtavuori N135 | <<locked>> | 80% | 38,087 psi | 67% | 2687 fps | 100% |
| Vihtavuori N140 | <<locked>> | 80% | 38,740 psi | 68% | 2684 fps | 99.3% |
| Vihtavuori N150 | <<locked>> | 80% | 31,966 psi | 57% | 2533 fps | 95.4% |
| Vihtavuori N160 | <<locked>> | 94% | 43,424 psi | 77% | 2838 fps | 95.2% |
| Vihtavuori N530 | <<locked>> | 80% | 43,482 psi | 77% | 2789 fps | 98.2% |
| Vihtavuori N540 | <<locked>> | 80% | 37,420 psi | 66% | 2667 fps | 98.7% |
| Vihtavuori N550 | <<locked>> | 96% | 45,542 psi | 81% | 2900 fps | 95.7% |
| Winchester 6.5 StaBALL | <<locked>> | 88% | 36,506 psi | 65% | 2651 fps | 95.2% |
| Winchester 748 | <<locked>> | 80% | 42,308 psi | 75% | 2825 fps | 98.7% |
| Winchester StaBALL Match | <<locked>> | 80% | 39,349 psi | 70% | 2743 fps | 96.5% |
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 94 powders for 7 x 57 loaded with the .284 | 120gr | Barnes X BT. ReloadSwiss RS 60 delivers the highest muzzle velocity at 3,071 fps; across all powders the maximum-charge window runs from 1,854 fps to 3,071 fps. Accurate 4350 gives the best case fill at 100 %, and 94 of the 94 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (390 MPa), the top charges use 62–90 %, leaving at least 10 % headroom. The 120.0 gr projectile in 0.284" calls for a 1:11.5 twist; slower twists will usually not stabilise this weight. Accurate 4350, Alliant Reloder-16, Alliant Reloder-23 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 60, Alliant Power Pro 2000-MR, Alliant Reloder-17 rank at the top here: for 7 x 57 with the .284 | 120gr | Barnes X BT they combine a high case fill with complete burn and sit in the upper velocity band. As outliers, Accurate 2700, Alliant Reloder-23, Alliant Reloder-26 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.