Load data for 6 x 45 mm + 85gr Speer Boat-Tail
Based on Wildcat, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.

Based on Wildcat, the max. allowed case length is 1.760 in / 44.70 mm, the max. cartridge length is 2.260 in / 57.40 mm, and the max. allowed pressure is 55,114 PSI / 3,800 bar.

Load Specifications
ImperialMetric
Bullet:.243 | 85gr | Boat-Tail
Cartridge:6 x 45 mm load data
Case Length (L3):1.760" | 44.7 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.350" | 8.9 mm
Case Capacity:30.5 gow | 1.98 cm³
Primer Size:Large Rifle (LR)
Max. Pressure (Wildcat):55,114 psi | 3,800 bar
Barrel Length:22.0" | 559 mm
Min. Twist Rate:1:11.0
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Community Loads for 6 x 45 mm + 85gr Speer Boat-Tail
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) |
|---|---|---|---|---|---|
| 23.0 gr | 2.350" | 24.0" | 2615 fps | ••• | |
| 25.5 gr | 2.350" | 24.0" | 2665 fps | ••• | |
| 27.5 gr | 2.350" | 24.0" | 2871 fps | ••• | |
| ••• | 2.350" | 24.0" | 2550 fps | ••• | |
| ••• | 2.350" | 24.0" | 2756 fps | ••• | |
| ••• | 2.350" | 24.0" | 2612 fps | ••• | |
| ••• | 2.350" | 24.0" | 2811 fps | ••• | |
| ••• | 2.350" | 24.0" | 2650 fps | ••• | |
| ••• | 2.350" | 24.0" | 2856 fps | ••• | |
| ••• | 2.350" | 24.0" | 2643 fps | ••• | |
| ••• | 2.350" | 24.0" | 2841 fps | ••• | |
| ••• | 2.350" | 24.0" | 2579 fps | ••• | |
| ••• | 2.350" | 24.0" | 2790 fps | ••• | |
| ••• | 2.350" | 24.0" | 2615 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.