Load data for .225 Win. + 40gr Sierra VarmintKing
Based on C.I.P., the max. allowed case length is 1.930 in / 49.02 mm, the max. cartridge length is 2.500 in / 63.50 mm, and the max. allowed pressure is 56,565 PSI / 3,900 bar.
Based on C.I.P., the max. allowed case length is 1.930 in / 49.02 mm, the max. cartridge length is 2.500 in / 63.50 mm, and the max. allowed pressure is 56,565 PSI / 3,900 bar.
Load Specifications
ImperialMetric
Bullet:.223 | 40gr | VarmintKing
Cartridge:.225 Win. load data
Case Length (L3):1.929" | 49.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.069" | 1.8 mm
Case Capacity:40 gow | 2.59 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (C.I.P.):56,565 psi | 3,900 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist
Get PRO license to unlock all data and calculators
Community Loads for .225 Win. + 40gr Sierra VarmintKing
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) |
|---|---|---|---|---|---|
| 33.2 gr | 2.350" | 22.0" | 3160 fps | ••• | |
| 34.4 gr | 2.350" | 22.0" | 3277 fps | ••• | |
| 35.5 gr | 2.350" | 22.0" | 3384 fps | ••• | |
| ••• | 2.350" | 22.0" | 3500 fps | ••• | |
| ••• | 2.350" | 22.0" | 3091 fps | ••• | |
| ••• | 2.350" | 22.0" | 3149 fps | ••• | |
| ••• | 2.350" | 22.0" | 3205 fps | ••• | |
| ••• | 2.350" | 22.0" | 3266 fps | ••• | |
| ••• | 2.350" | 22.0" | 2997 fps | ••• | |
| ••• | 2.350" | 22.0" | 3008 fps | ••• | |
| ••• | 2.350" | 22.0" | 3073 fps | ••• | |
| ••• | 2.350" | 22.0" | 3164 fps | ••• | |
| ••• | 2.350" | 22.0" | 2919 fps | ••• | |
| ••• | 2.350" | 22.0" | 2977 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.