Load data for .505 Mag. Gibbs + 525gr Barnes TSX FB
Based on C.I.P., the max. allowed case length is 3.150 in / 80.01 mm, the max. cartridge length is 3.850 in / 97.79 mm, and the max. allowed pressure is 39,160 PSI / 2,700 bar.

Based on C.I.P., the max. allowed case length is 3.150 in / 80.01 mm, the max. cartridge length is 3.850 in / 97.79 mm, and the max. allowed pressure is 39,160 PSI / 2,700 bar.

Load Specifications
ImperialMetric
Bullet:.505 | 525gr | TSX FB
Cartridge:.505 Mag. Gibbs load data
Case Length (L3):3.150" | 80.0 mm
Cartridge Length (COL/L6):•••
Seated Depth:0.774" | 19.7 mm
Case Capacity:181 gow | 11.73 cm³
Primer Size:Large Rifle Magnum (LRM)
Max. Pressure (C.I.P.):39,160 psi | 2,700 bar
Barrel Length:24.0" | 610 mm
Min. Twist Rate:Stabilizes in any common twist
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Community Loads for .505 Mag. Gibbs + 525gr Barnes TSX FB
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) |
|---|---|---|---|---|---|
| 131.0 gr | 3.830" | 23.0" | 2099 fps | ••• | |
| 141.0 gr | 3.830" | 23.0" | 2290 fps | ••• | |
| 125.5 gr | 3.830" | 23.0" | 2119 fps | ••• | |
| ••• | 3.830" | 23.0" | 2263 fps | ••• | |
| ••• | 3.830" | 23.0" | 2208 fps | ••• | |
| ••• | 3.830" | 23.0" | 2026 fps | ••• | |
| ••• | 3.830" | 23.0" | 2154 fps | ••• | |
| ••• | 3.830" | 23.0" | 1988 fps | ••• | |
| ••• | 3.830" | 23.0" | 2167 fps | ••• | |
| ••• | 3.830" | 23.0" | 2058 fps | ••• | |
| ••• | 3.830" | 23.0" | 2198 fps | ••• | |
Charge weights beyond the first rows and all pressure values are only visible with an active Pro licence.