| LoadID | 7557 |
| Bullet | Woodleigh PP |
| Bullet Weight | 340 grs |
| Powder | Reloder 7 |
| Powder Weight | 66 grs |
| Primer | CCI250 |
| Brass Make | Winchester 458 Win mag fireformed |
| Barrel Length | 24 (inches) |
| C.O.L | 3.26 (inches) |
| Velocity | 2550 fps |
| Group 100 yds | 0.75 (inches) |
| Submitted By | SRS |
| Gun Info | Custom M70 |
| Comment | |