Load data for .300 PRC + 165gr Barnes TTSX BT
The most recommended powders for this combination are ReloadSwiss RS 70.
Based on SAAMI, the max. allowed case length is 2.580 in / 65.53 mm, the max. cartridge length is 3.700 in / 93.98 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.

Based on SAAMI, the max. allowed case length is 2.580 in / 65.53 mm, the max. cartridge length is 3.700 in / 93.98 mm, and the max. allowed pressure is 65,000 PSI / 4,482 bar.

Load Specifications
ImperialMetric
Bullet:.308 | 165gr | TTSX BT
Cartridge:.300 PRC load data
Case Length (L3):2.580" | 65.5 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.433" | 11.0 mm
Case Capacity:99 gow | 6.42 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (SAAMI):65,000 psi | 4,482 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:1:11.5
Get PRO license to unlock all data and calculators
Community Loads for .300 PRC + 165gr 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) |
|---|---|---|---|---|---|
| 77.0 gr | 3.700" | 24.0" | 2802 fps | ••• | |
| 78.6 gr | 3.700" | 24.0" | 2864 fps | ••• | |
| 78.0 gr | 3.500" | 26.0" | 3156 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.