| LoadID | 3666 |
| Bullet | sierra blitz king |
| Bullet Weight | 39 grs |
| Powder | alliant reloader 10x |
| Powder Weight | 19.1 grs |
| Primer | cci 400 |
| Brass Make | rem 221 fireball |
| Barrel Length | 24 (inches) |
| C.O.L | (inches) |
| Velocity | 0 fps |
| Group 100 yds | .3 (inches) |
| Submitted By | Dave |
| Gun Info | cooper mod 38 |
| Comment | very accurate able to spot shots |