MOBILCHOKE FLUSH 20GA - These choke tubes are factory OEM replacements for 20 gauge guns with the Mobilchoke system. The conical parallel design of results in reduced shot deformation, improved pattern uniformity and increased pattern density
COMPATIBILITY - These choke tubes will only fit 20 gauge guns with the Mobilchoke system. They are compatible with Beretta Silver Pigeon I (field models), A300 Outlander, 687 (field models), and some 391 Models
ENGRAVED DETAILS - Every choke tube has information engraved on the tube to identify the manufacturer (PB), the constriction (F, IM, M, IC, CYL), the approval for steel shot use (SP), the choke type (Optima-Choke, Optima-Choke Plus, Optima-Choke HP)
USAGE ADVISE - As with any gun, always be sure to check your choke tubes during use to verify that they are tight in the barrel. Loose choke tubes can cause barrel damage
NOTE - Each of the choke tube types is designed for use with a specific type barrel and as such features different thread locations and external measurements, none can be interchanged with the other Beretta choke types