| LoadID | 10248 |
| Bullet | Swift Scirocco II |
| Bullet Weight | 180 grs |
| Powder | Alliant RL-17 |
| Powder Weight | 55.0 grs |
| Primer | WLR |
| Brass Make | Lapua |
| Barrel Length | 22 (inches) |
| C.O.L | 3.315 (inches) |
| Velocity | 2808 fps |
| Group 100 yds | .876 (inches) |
| Submitted By | Buck75 |
| Gun Info | Ruger M77 MK II |
| Comment | Shot @ 23 degrees Fahrenheit, no pressure signs. May need to reduce when mercury rises. |