Scalarworks SYNC/02 RMR Red Dot Sight Mount Black. Enhance the effectiveness of your shotgun with the speed and precision of a red dot sight while maintaining its factory shooting ergonomics. Specifications for Scalarworks SYNC/02 Red Dot Sight Mount: Manufacturer: Scalarworks Color: Black Fabric/Material: 7075-T6 Aluminum Weight: 16 g Package Contents: Scalarworks SYNC/02 Red Dot Sight Mount T-10 BIT Fasteners Scalarworks SW2200: SYNC/02 RMR Red Dot Sight Mount Black