This is the proper wrench for installing any Daniel Defense Handguard using the Bolt-Up System, including the Lite Rail I, II, III, and RIS II. Steel.
Barrel Nut Wrench for Daniel Defense Bolt-Up System - Lite Rail I, II, III, DDM4, and RIS II Handguards AR-15 Steel
Non-Brand
        
            
        
        
        $10.00
    
         
             
                     
                     
             
             
            