| LoadID | 6603 |
| Bullet | Sierra BTSP |
| Bullet Weight | 150 grs |
| Powder | H-4831 |
| Powder Weight | 62.5 grs |
| Primer | Federal 215 Mag |
| Brass Make | R-P |
| Barrel Length | 22 (inches) |
| C.O.L | 2.800 (inches) |
| Velocity | 2920 fps |
| Group 100 yds | .500 (inches) |
| Submitted By | Mantracker 427 |
| Gun Info | Ruger M-77, Timney trigger, glass bedded, floated, aluminum pillars, w/Vais brake |
| Comment | 5 shot S.D. =7fps, also grouped slightly over 1 inch from outside hole to outside at 300 yds. No signs of pressure but she kicks a little. |