Grovtec MTMX3 Extended Magazine TUBE MOUNT Remington 870 12 Gauge

FEATURES
-ForRemington 87012 gauge
-Provides three different ways to mount your sling or accessories:
-Picatinny rail
-Push-button base
-Standard locking swivel stud
-The steel magazine tube mount gives extra security to the 12 gauge extended magazine tube
-Rail & push button base are reversible & can be mounted to either side