Description: Nc-Star Flip to Side Mount For Magnifier • Works with 30mm Magnifier and other 30mm Optics • Scope Centerline at 1 ½" AR15 Height • Locking Quick Release Mount, attaches to virtually any Weaver/ Picatinny/ MIL-STD 1913 type rails. • Optic can be flipped to the side by depressing a spring loaded button and flipping top half of mount to the right side. Mount locks into either down or side positions. • Black Anodized Aluminum Construction • Length: 1.6" • Weight: 3.4 oz. • Works great with NcSTAR 3X Magnifier.