| LoadID | 2956 |
| Bullet | Nosler Partition |
| Bullet Weight | 100 grs |
| Powder | IMR 4350 |
| Powder Weight | 50.0 grs |
| Primer | Rem 9 1/2 |
| Brass Make | Winchester |
| Barrel Length | 24.0 McGowen Barrel (inches) |
| C.O.L | 2.900 (inches) |
| Velocity | 3192 fps |
| Group 100 yds | 0.81 (inches) |
| Submitted By | Elkhunter1983 |
| Gun Info | Rem 700 Classic |
| Comment | Re-barreled from 257 Roberts to 257 Ackley Imp 40 Degree |