This is a GG&G, Inc. Side Saddle, model GGG-1515.
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-T 6 aluminum
Non-marring backing plate
