| LoadID | 5038 |
| Bullet | GS Custom FN |
| Bullet Weight | 800 grs |
| Powder | VVN 550 |
| Powder Weight | 169 grs |
| Primer | F215 |
| Brass Make | Horneber |
| Barrel Length | 24 (inches) |
| C.O.L | (inches) |
| Velocity | 2460 fps |
| Group 100 yds | (inches) |
| Submitted By | U.Hentzer |
| Gun Info | Custom build 577 Tyrannosaur |
| Comment | |