| LoadID | 2839 |
| Bullet | Sierra Matchking HPBT |
| Bullet Weight | 180 grs |
| Powder | Vihtavouri N 160 |
| Powder Weight | 76.2 grs |
| Primer | Federal 215 |
| Brass Make | Federal Match |
| Barrel Length | 66 (inches) |
| C.O.L | 3.66 (inches) |
| Velocity | 3027 fps |
| Group 100 yds | 0.36 (inches) |
| Submitted By | Carlo Italy |
| Gun Info | Weatherby MK5. |
| Comment | . My rifle have an extremely tight chamber |