SSI Sight-Rite Deluxe End of the Barrel Laser Bore Sighter
                            
                        
                        
                        
                        
    
                        
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
    
    
                        
                        
                        
    
                        
                     
                        
                            Patented design. Durable machined aluminum construction. Units include (3) three LR44 lithium batteries. No metal on metal contact, will not scratch the finish of the barrel or damageyour rifling.