| LoadID | 6728 |
| Bullet | Sierra Blitz King |
| Bullet Weight | 39 grs |
| Powder | H-4198 |
| Powder Weight | 17.7 grs |
| Primer | CCI 450 magnum |
| Brass Make | 221Remington Fireball |
| Barrel Length | 26 (inches) |
| C.O.L | 1.905 (inches) |
| Velocity | 3550 fps |
| Group 100 yds | .211- 5 shot group (inches) |
| Submitted By | BL |
| Gun Info | Cooper model 38 |
| Comment | Mild but accurate load |