| LoadID | 6403 |
| Bullet | nosler ballistic tip |
| Bullet Weight | 50 grs |
| Powder | Norma 201 |
| Powder Weight | 23.5 grs |
| Primer | federal standard match |
| Brass Make | winchester |
| Barrel Length | 22 (inches) |
| C.O.L | 2.25 (inches) |
| Velocity | 3060 fps |
| Group 100 yds | .50 avg for 5 shot group (inches) |
| Submitted By | rt |
| Gun Info | cooper model 21 single shot |
| Comment | excellent 100 yard target load |