| Avanti | 853 |
| Action | Single pump pneumatic, straight pull bolt |
| Caliber | .177 (4.5mm) pellet |
| Sights | Hooded front sight with interchangeable aperture inserts & micrometer adjustable rear |
| Stock | Full length sporter style hardwood stock with adjustable length |
| Muzzle Velocity | 510 fps (155 m/s) 257 yard max shooting distance |
| Capacity | Single shot |
| Trigger Pull | 5.0 lb single stage |
| Length of Pull | Adjustable from 12" to 13.75" (30.5 - 34.9 cm) |
| Length | 38.5" |
| Weight | 5.5 lbs |