- 
                        
                            Kleen-Bore
                             - 
                        
                            KOBAYASHI CONSUMER PROD
                             - 
                        
                            Konus
                             - 
                        
                            KOPFJAGER/SELLMARK
                             - 
                        
                            Kriss USA
                             - 
                        
                            LAG TACTICAL INC
                             - 
                        
                            Lancer
                             - 
                        
                            LANGDON TACTICAL TECH
                             - 
                        
                            LARUE TACTICAL
                             - 
                        
                            LaserMax
                             - 
                        
                            LBE UNLIMITED
                             - 
                        
                            Lee
                             - 
                        
                            Leupold
                             - 
                        
                            Liberty Ammunition
                             - 
                        
                            Limbsaver
                             - 
                        
                            LIVE FREE ARMORY
                             - 
                        
                            Lockdown
                             - 
                        
                            LONGSHOT TARGET CAMERA
                             - 
                        
                            Lucas Oil
                             - 
                        
                            LUXUS ARMS (HM DEFENSE)
                             - 
                        
                            LWRC
                             - 
                        
                            Lyman
                             - 
                        
                            M&P Accessories
                             - 
                        
                            M+M Inc
                             - 
                        
                            M-Pro7
                             - 
                        
                            MAC
                             - 
                        
                            Mace
                             - 
                        
                            maglula
                             - 
                        
                            Magnum Research
                             - 
                        
                            MAGPUL INDUSTRIES CORP
                             - 
                        
                            Magtech
                             - 
                        
                            Marksman
                             - 
                        
                            Marlin
                             - 
                        
                            Master Lock
                             - 
                        
                            MasterPiece Arms
                             - 
                        
                            Matrix Diversified Ind
                             - 
                        
                            Mauser
                             - 
                        
                            Mauser Rimfire
                             - 
                        
                            Maverick Arms
                             - 
                        
                            Max Ops
                             - 
                        
                            Maxim
                             - 
                        
                            MCMILLAN FIBERGLASS STOCK
                             - 
                        
                            MDT SPORTING GOODS INC
                             - 
                        
                            MEC
                             - 
                        
                            MEC-GAR
                             - 
                        
                            MECHANIX WEAR
                             - 
                        
                            MEPRO USA LLC
                             - 
                        
                            META TACTICAL LLC
                             - 
                        
                            MIDWEST INDUSTRIES INC
                             - 
                        
                            MIGRA AMMUNITION