USED Primary Arms Flip To Side Magnifier Mount 30mm 1.64 in Illuminated ACSS Cyclops Green Reticle Black. Once your magnifier is installed in the 30mm ring simply pulling the magnifier to the rear unlocks the mount allowing you to instantly choose between centerline and off-centerline positions. This tough mount features a lifetime warranty. NOTE:This mount places the center of the magnifier 1.64 inches above the top of the 1913 Picatinny rail. The magnifier will NOT line up with raised base optics such as the 7mm extended base EOTechs Specifications for Primary Arms Flip To Side Magnifier Mount w/ Illuminated ACSS Cyclops Green Reticle: Manufacturer: Primary Arms Color: Black Fabric/Material: Aluminum Quantity: 1 Finish: Matte Ring Height: 1.5 in Gun Make: AR Platform Gun Rail: Picatinny Co-Witness: Lower 1/3 Cant: 0 MOA Gun Type: Rifle Tube Diameter: 30 mm Gun Model: AR-15 Package Contents: Primary Arms Flip To Side Magnifier Mount w/ Illuminated ACSS Cyclops Green Reticle What firearm models does the manufacturer say Primary Arms Flip To Side Magnifier Mount w/ Illuminated ACSS Cyclops Green Reticle is compatible with? The manufacturer suggests that Primary Arms Flip To Side Magnifier Mount w/ Illuminated ACSS Cyclops Green Reticle is compatible with AR-15Primary Arms 910034: Flip To Side Magnifier Mount 30mm 1.64 in Illuminated ACSS Cyclops Green Reticle Black