The Beretta MobilChoke choke tubes are factory OEM replacements for 20 gauge shotguns with the MobilChoke system. *Fits Beretta Silver Pigeon I (field models), A300 Outlander, 687 (field models), Some 391 Models
| Constriction Type | Full |
| Finish | Silver |
| FireArm | No |
| Material | Steel |
| Configuration | MobilChoke |
| ConstrictionDiameter | .598 |
| Type | Flush |
| Gauge | 20 Gauge |
| Recommended For | 50+ yds |
| Approved | Steel,Lead,Non-Tox |
| Chokes Included | One Choke |
| Ported | No |
