Load Specifications
Load data in caliber 5.6 x 70 R with .224 | 75gr | Berger VLD Target bullet and 5 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are ReloadSwiss RS 14 and Hodgdon TrailBoss.
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: 23.62"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Hodgdon TrailBoss | <<locked>> | 98% | 33,924 psi | 90% | 1821 fps | 100% |
| ReloadSwiss RS 14 | <<locked>> | 96% | 33,373 psi | 89% | 1844 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 82% | 32,895 psi | 87% | 2635 fps | 96.8% |
| Somchem S365 | <<locked>> | 92% | 33,823 psi | 90% | 2654 fps | 96.4% |
| Vihtavuori N150 | <<locked>> | 82% | 32,227 psi | 85% | 2507 fps | 96% |
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 |
|---|---|---|---|---|---|---|
| Hodgdon TrailBoss | 8.7 gr | 80% | 25,744 psi | 68% | 1644 fps | 100% |
| ReloadSwiss RS 14 | 8.9 gr | 80% | 26,107 psi | 69% | 1686 fps | 100% |
| ReloadSwiss RS 60 | <<locked>> | 80% | 30,690 psi | 81% | 2566 fps | 95.6% |
| Somchem S365 | <<locked>> | 90% | 31,531 psi | 84% | 2589 fps | 95.3% |
| Vihtavuori N150 | <<locked>> | 80% | 30,269 psi | 80% | 2457 fps | 95.1% |
Recommended = one of the top powders for this cartridge and bullet combination.
This overview compares 5 powders for 5.6 x 70 R loaded with the .224 | 75gr | Berger VLD Target. Somchem S365 delivers the highest muzzle velocity at 2,654 fps; across all powders the maximum-charge window runs from 1,821 fps to 2,654 fps. Hodgdon TrailBoss gives the best case fill at 98 %, and 5 of the 5 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (260 MPa), the top charges use 85–90 %, leaving at least 10 % headroom. The 75.0 gr projectile in 0.224" calls for a 1:8.0 twist; slower twists will usually not stabilise this weight. ReloadSwiss RS 14, Hodgdon TrailBoss rank at the top here: for 5.6 x 70 R with the .224 | 75gr | Berger VLD Target 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.