Interchangeable screw choke and compensator for shotguns

Abstract

An apparatus for use with a shotgun that includes an assembly having an interchangeable choke and compensator, and a lock nut for securing the compensator in a selected alignment with the choke. The current invention allows for shotguns, chokes, and compensators to be used interchangeably while still maintaining the correct positioning of each part relative to the others.

1 . An apparatus for use with a shotgun comprising:
 an assembly that includes an interchangeable choke and compensator, and a lock nut for securing the compensator in a selected alignment with the choke.   
     
     
         2 . The apparatus  claim 1 , wherein the choke has a first and second end and each end includes external threading. 
     
     
         3 . The apparatus  claim 1 , wherein the lock nut includes internal threading and a pair of wrench flats. 
     
     
         4 . The apparatus of  claim 1 , wherein the compensator has a first end that includes internal threading. 
     
     
         5 . The apparatus of  claim 1 , wherein the compensator further includes two compensator exit ports, two expansion chambers, and two compensator side ports. 
     
     
         6 . An apparatus for use with a shotgun comprising:
 an assembly that includes a plurality of an interchangeable chokes, a compensator configured to attach to the chokes, and a lock nut for securing the compensator in a selected alignment with the chokes.