Load Specifications
Load data in caliber .219 Zipper with .224 | 50gr | Hornady Varmint bullet and 11 powders. The key underlying parameters are shown in the table above. The recommended powders for this cartridge and bullet combination are Vihtavuori N135, Alliant AR-Comp and Accurate 2495.
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: 24"
| Powder | Charge | FR | MaxP | % | V(0) | z |
|---|---|---|---|---|---|---|
| Accurate 2015 | <<locked>> | 88% | 35,331 psi | 85% | 3002 fps | 96.5% |
| Accurate 2495 | <<locked>> | 98% | 37,101 psi | 90% | 3110 fps | 97.5% |
| Alliant AR-Comp | <<locked>> | 92% | 36,811 psi | 89% | 3136 fps | 99.2% |
| Alliant Reloder-10x | <<locked>> | 84% | 35,824 psi | 87% | 3045 fps | 97.7% |
| Hodgdon TrailBossᴾ | <<locked>> | 100% | 31,546 psi | 76% | 2113 fps | 100% |
| IMR 3031 | <<locked>> | 94% | 37,333 psi | 90% | 3150 fps | 96.1% |
| IMR 4198 | <<locked>> | 82% | 35,418 psi | 86% | 2995 fps | 98.3% |
| ReloadSwiss RS 14ᴾ | <<locked>> | 100% | 31,459 psi | 76% | 2162 fps | 100% |
| Vihtavuori N130 | <<locked>> | 86% | 36,796 psi | 89% | 3002 fps | 97.7% |
| Vihtavuori N133 | <<locked>> | 90% | 35,940 psi | 87% | 2979 fps | 96.5% |
| Vihtavuori N135 | <<locked>> | 96% | 36,085 psi | 87% | 3074 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 2015 | <<locked>> | 86% | 32,880 psi | 80% | 2936 fps | 95.5% |
| Accurate 2495 | 25.2 gr | 92% | 30,240 psi | 73% | 2933 fps | 95.1% |
| Alliant AR-Comp | 22.2 gr | 82% | 26,701 psi | 65% | 2825 fps | 95.3% |
| Alliant Reloder-10x | <<locked>> | 80% | 31,270 psi | 76% | 2920 fps | 96.2% |
| Hodgdon TrailBoss | <<locked>> | 80% | 23,076 psi | 56% | 1896 fps | 100% |
| IMR 3031 | <<locked>> | 92% | 35,186 psi | 85% | 3091 fps | 95.3% |
| IMR 4198 | <<locked>> | 80% | 33,344 psi | 81% | 2936 fps | 97.7% |
| ReloadSwiss RS 14 | <<locked>> | 80% | 23,134 psi | 56% | 1946 fps | 100% |
| Vihtavuori N130 | <<locked>> | 80% | 30,414 psi | 74% | 2831 fps | 95.5% |
| Vihtavuori N133 | <<locked>> | 88% | 33,881 psi | 82% | 2927 fps | 95.7% |
| Vihtavuori N135 | 24.3 gr | 92% | 31,575 psi | 76% | 2953 fps | 95.2% |
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 11 powders for .219 Zipper loaded with the .224 | 50gr | Hornady Varmint. IMR 3031 delivers the highest muzzle velocity at 3,150 fps; across all powders the maximum-charge window runs from 2,113 fps to 3,150 fps. Hodgdon TrailBoss gives the best case fill at 100 %, and 11 of the 11 powders fall inside the usable 80–100 % fill window.
Relative to the caliber's maximum pressure (285 MPa), the top charges use 76–90 %, leaving at least 10 % headroom. Hodgdon TrailBoss, ReloadSwiss RS 14 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. Vihtavuori N135, Alliant AR-Comp, Accurate 2495 rank at the top here: for .219 Zipper with the .224 | 50gr | Hornady 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.