Beretta Optimachoke Extended 1" 12ga LM Choke Tube JCOCE05

OPTIMACHOKE CHOKE TUBES - These choke tubes are available in internal and external versions; They are longer and slimmer than conventional Mobilchoke tubes; Thanks to the elongated cone they minimize pellet deformation and improve shot patterns
CHARACTERISTICS - The start of the threaded portion of these tubes is located a nominal 50.78mm/2.00" from the breech end of the choke tube; The length of the threaded portion is a nominal 15.9mm/.625"; The major diameter of the thread is 20mm/.787"
COMPATIBILITY - OptimaChoke 12Ga Tubes are fully interchangeable on 12 gauge guns with Optima Bore barrels; They are for 12ga guns with the Optima-Choke system only; Fit Beretta 682, Some 687 models, Silver Hawk, DT10, Some 391 models
IMPORTANT NOTE - OptimaChoke choke tubes are not interchangeable nor usable with barrels designed for the OptimaChoke HP system; Use of them in barrels designed for use with OptimaChoke HP tubes may result in damage to your barrel and personal injury
CONSTRICTIONS - Different choke tube constrictions are available: Full (F), Light Full (FL), Modified (M), Light Modified (LM), Improved Modified (IM), Cylinder (CL), Improved Cylinder (IC), EU Skeet (SK EU), Skeet (SK USA)