Load data for 9.3 x 74 R + 250gr Barnes TTSX BT
The most recommended powders for this combination are IMR 3031.
Based on C.I.P., the max. allowed case length is 2.941 in / 74.70 mm, the max. cartridge length is 3.799 in / 96.50 mm, and the max. allowed pressure is 49,313 PSI / 3,400 bar.

Based on C.I.P., the max. allowed case length is 2.941 in / 74.70 mm, the max. cartridge length is 3.799 in / 96.50 mm, and the max. allowed pressure is 49,313 PSI / 3,400 bar.

Load Specifications
ImperialMetric
Bullet:.366 | 250gr | TTSX BT
Cartridge:9.3 x 74 R load data
Case Length (L3):2.910" | 73.9 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.687" | 17.4 mm
Case Capacity:83 gow | 5.38 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):49,313 psi | 3,400 bar
Barrel Length:23.6" | 600 mm
Min. Twist Rate:1:15.0
Get PRO license to unlock all data and calculators
Community Loads for 9.3 x 74 R + 250gr Barnes TTSX BT
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) |
|---|---|---|---|---|---|
| 53.6 gr | 3.720" | 25.6" | 2507 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.