NORDIC +7 MXT TUBE 12GA BK NEEDS NUT

Nordic Components MXT Magazine Extension Kit, +7, 12GA, Combines with Nordic MXT Extension Nuts to Form Complete Extension Kit, Shotgun-Specific Nut Required for Installation on Shotgun MXT-TBS-12-7

Used in conjunction with the 12 gauge extension tube nut this tube kit will add seven rounds to your existing magazine capacity.