| LoadID | 8551 |
| Bullet | Hornady SST |
| Bullet Weight | 130 grs |
| Powder | IMR 7828 |
| Powder Weight | 75.5 grs |
| Primer | Fed 215M |
| Brass Make | Wby |
| Barrel Length | 26.5 (inches) |
| C.O.L | 3.350 (inches) |
| Velocity | 3450 fps |
| Group 100 yds | .60 (inches) |
| Submitted By | Lance A. |
| Gun Info | Pre 64 mod 70 winchester, Montana Rifleman bbl SAAMI chamber std wby freebore |
| Comment | |