These choke tubes will only fit 410 gauge shotguns with the Mobilchoke system.
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Where can I find the constrictions or dimensions on my Beretta choke tubes?
Which Choke Tube Should I Use?
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Beretta Mobile-Choke Flush 410ga
Product ID: C605$39.99
Fits Beretta Silver Pigeon I (field models), A300 Outlander, 687 (field models), Some 391 Models
These choke tubes are factory OEM replacements for 410 gauge shotguns with the Mobilchoke system.
***Please note that the constriction cut off for factory made choke tubes with steel shot is a Modified constriction, factory made choke tubes with a constriction tighter than Modified such as Improved Modified and Full are not suitable for use with steel shot.
Additionally, rifled or sabot slugs should not be used in a factory made choke tube with a constriction tighter than Improved Cylinder.***
