HB20: .20 cal (5.0 mm) HB22: .22 cal (5.5 mm)
Projectile- .22: up to 460 FPS
| Mechanical system | Bolt action, single shot |
|
| Caliber |
HB17: .177 cal (4.5 mm) HB20: .20 cal (5.0 mm) HB22: .22 cal (5.5 mm) |
|
| Magazine capacity | Single Shot | |
| Total length |
12 1/4 inches (31.12 cm) |
|
| Weight | 2 1/2 lbs (1.13 kg) | |
| Muzzle velocity |
Projectile- .177: up to 525 FPS Projectile- .22: up to 460 FPS |
|
| Function | Bolt action | |
| Barrel | Rifled brass, 6 grooves | |
| Safety |
Cross Bolt |