Henry Big Boy revolvers best uses are target shooting or as a collector's item. The revolver features interchangeable high/medium/low front sights; transfer bar safety; blued barrel and frame with a Gunfighter American Walnut grip.
| Model | H017GDM |
| Type | Revolver |
| Caliber | .357 mag/.38 spl |
| Barrel Length | 4" |
| Manufacturer | HENRY REPEATING ARMS |
| Capacity | 6 Rounds |
| Manufacturer number | H017GDM |