Description
Accurately measure the chamber length of 10, 12, 16, 20, 28, and .410 shotgun barrels. This gauge is constructed of solid brass and folds into a compact size of 4 ½” x 7/8”. Chamber lengths are clearly marked for quick and accurate measurements. Additionally, this gauge also measures choke constriction.
 
             
                                     
             
                                 
             
             
                                