Load data for .17 Rem. Fireball + 20gr Nosler Varmageddon
The most recommended powders for this combination are IMR 8208 XBR.
Based on C.I.P., the max. allowed case length is 1.410 in / 35.81 mm, the max. cartridge length is 1.830 in / 46.48 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.

Based on C.I.P., the max. allowed case length is 1.410 in / 35.81 mm, the max. cartridge length is 1.830 in / 46.48 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.

Load Specifications
ImperialMetric
Bullet:.172 | 20gr | Varmageddon
Cartridge:.17 Rem. Fireball load data
Case Length (L3):1.400" | 35.6 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.100" | 2.5 mm
Case Capacity:22 gow | 1.43 cm³
Primer Size:Small Rifle (SR)
Max. Pressure (C.I.P.):55,114 psi | 3,800 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for .17 Rem. Fireball + 20gr Nosler Varmageddon
Real loads for this combination shared by our community. Charge weights are only fully visible with an active Pro licence.
| Powder | Charge (gr) | C.O.L. | Barrel Length | Velocity (fps) | Pressure (psi) |
|---|---|---|---|---|---|
| 16.5 gr | 1.800" | 26.0" | 3516 fps | ••• | |
| 17.5 gr | 1.800" | 26.0" | 3704 fps | ••• | |
| 18.5 gr | 1.800" | 26.0" | 3891 fps | ••• | |
| ••• | 1.800" | 26.0" | 3684 fps | ••• | |
| ••• | 1.800" | 26.0" | 3885 fps | ••• | |
| ••• | 1.800" | 26.0" | 3696 fps | ••• | |
| ••• | 1.800" | 26.0" | 3881 fps | ••• | |
| ••• | 1.800" | 26.0" | 3712 fps | ••• | |
| ••• | 1.800" | 26.0" | 3891 fps | ••• | |
| ••• | 1.800" | 26.0" | 4069 fps | ••• | |
| ••• | 1.800" | 26.0" | 4091 fps | ••• | |
| ••• | 1.800" | 26.0" | 3641 fps | ••• | |
| ••• | 1.800" | 26.0" | 3836 fps | ••• | |
| ••• | 1.800" | 26.0" | 4030 fps | ••• | |
| ••• | 1.800" | 26.0" | 3607 fps | ••• | |
| ••• | 1.800" | 26.0" | 3794 fps | ••• | |
| ••• | 1.800" | 26.0" | 3983 fps | ••• | |
| ••• | 1.800" | 26.0" | 3567 fps | ••• | |
| ••• | 1.800" | 26.0" | 3760 fps | ••• | |
| ••• | 1.800" | 26.0" | 3949 fps | ••• | |
| ••• | 1.800" | 26.0" | 3612 fps | ••• | |
| ••• | 1.800" | 26.0" | 3797 fps | ••• | |
| ••• | 1.800" | 26.0" | 3983 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.