The Tactical Flip-to-Side Mount was created to work with your 30mm Magnifier in conjunction with a reflex or holographic weapon sight. The spring assisted flip to side motion of this mount was created so the shooter can use the magnifier for long distance shots and quickly move it to the side to use the 1x magnification of a reflex sight under CQB conditions. This Flip to Side 30mm/1inch Mount gives the shooter versatility in the field. This mount is constructed with durable aluminum to withstand the stresses of combat. Features: Spring assist flip to the side action Made from durable aluminum Fits 30mm and 1 inch magnifiers Specifications: Picatinny Weaver mount fits both 30mm and 1 inch magnifiers(use the provided 1 inch insert) Aircraft Grade Aluminum Matte black Finish Solid No Wiggle Attachment to Rail Weatherproof and Shockproof Weight: 4.6oz Package Includes: FTS Flip to Side Mount 1 Allen Wrench for Mounting Magnifier 1 inch insert to turn it to a inch mount from 30mm mount.