| LoadID | 7772 |
| Bullet | Magma .403 cast |
| Bullet Weight | 180 grs |
| Powder | IMR-800X |
| Powder Weight | 8.0 grs |
| Primer | CCI-300 |
| Brass Make | Star-Line |
| Barrel Length | 24 (inches) |
| C.O.L | 1.588 (inches) |
| Velocity | 1228 fps |
| Group 100 yds | 5.0 (inches) |
| Submitted By | Float Pilot |
| Gun Info | Original 1892 Winchester mader in 1892. |
| Comment | This rifle has a lightly pitted bore and was made during the black powder era. This is a good clean load with no pressure signs. |