| Mechanical system | Pneumatic | |
| Caliber/Ammunition | BB cal. (4.5mm) Steel Airgun Shot .177 cal. (4.5 mm) Lead Airgun Pellet | |
| Magazine capacity | Up to 18 BB's | |
| Total length | Model 66: 38.5 in (97.8 cm) Model 760: 33.5 in (85.09 cm) | |
| Weight | Model 66: 2 lbs. 15 oz. (1.34 kg) Model 760: 2 lbs. 12 oz. (1.25 kg) | |
| Muzzle velocity | Model 66: Projectile- .177 BB: up to 625 FPS Projectile- .177 Pellet: up to 600 FPS Model 760: Projectile- .177 BB: up to 680 FPS Projectile- .177 Pellet: up to 645 FPS | |
| Function | Bolt Action | |
| Barrel | Model 66: Rifled steel Model 760: Smooth Bore/Steel | |
| Safety | Cross Bolt |