Load data for 6mm-284 + 55gr Sierra Tipped VarmintKing
Based on Wildcat, the max. allowed case length is 2.170 in / 55.12 mm, the max. cartridge length is 2.800 in / 71.12 mm, and the max. allowed pressure is 62,076 PSI / 4,280 bar.
Based on Wildcat, the max. allowed case length is 2.170 in / 55.12 mm, the max. cartridge length is 2.800 in / 71.12 mm, and the max. allowed pressure is 62,076 PSI / 4,280 bar.
Load Specifications
ImperialMetric
Cartridge:6mm-284 load data
Case Length (L3):2.170" | 55.1 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.142" | 3.6 mm
Case Capacity:70 gow | 4.54 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (Wildcat):62,076 psi | 4,280 bar
Barrel Length:26.0" | 660 mm
Min. Twist Rate:1:12.5
Get PRO license to unlock all data and calculators
Community Loads for 6mm-284 + 55gr Sierra Tipped 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) |
|---|---|---|---|---|---|
| 59.3 gr | 2.775" | 26.0" | 3459 fps | ••• | |
| 48.6 gr | 2.775" | 26.0" | 3107 fps | ••• | |
| 50.2 gr | 2.775" | 26.0" | 3209 fps | ••• | |
| ••• | 2.775" | 26.0" | 3417 fps | ••• | |
| ••• | 2.775" | 26.0" | 3519 fps | ••• | |
| ••• | 2.775" | 26.0" | 3407 fps | ••• | |
| ••• | 2.775" | 26.0" | 3516 fps | ••• | |
| ••• | 2.775" | 26.0" | 3287 fps | ••• | |
| ••• | 2.775" | 26.0" | 3492 fps | ••• | |
| ••• | 2.775" | 26.0" | 3269 fps | ••• | |
| ••• | 2.775" | 26.0" | 3373 fps | ••• | |
| ••• | 2.775" | 26.0" | 3475 fps | ••• | |
| ••• | 2.775" | 26.0" | 3680 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.