GG&G GGG-1515 Mossberg 500 & 590 Side Saddle 12 Guage Shell Holder
GG&G GGG-1515 Mossberg 500 & 590 Side Saddle 12 Guage Shell Holder, The GG&G Mossberg 590 Side Saddle and 500 Side Saddle Shell Holder facilitates loading the mag tube and the chamber. Compatible with the short tactical length forearms only. Longer length sporting forearms will need to be replaced prior to installation of the Mossberg Side Saddle. Features: No modifications are required to the weapon for installation 6061 T6 aluminum Non-marring backing plate