AT3 Tactical RRDM 3x Red Dot Magnifier with Flip-to-Side Mount. Get the best of both worlds with a simple flip of the magnifier. Important fit note: This magnifier is designed for use with the AT3 RD-50 and AT3 LEOS red dot sights. The height of the magnifier is a great match for absolute cowitness red dot sights like the AT3 RD-50 with .83? riser and also works well with the AT3 LEOS or RD-50 with 1? riser. To center a red dot in the magnifiers view use the adjustment screws on the top and right sides of the magnifier. Be sure to take off the protective caps first Specifications for AT3 Tactical RRDM 3x Red Dot Magnifier w/ Flip to Side Mount: Manufacturer: AT3 Tactical Finish: Anodized Magnification: 3 x Objective Lens Diameter: 26 mm Eye Relief: 2.4 in Length: 4.2 in Weight: 11.6 oz Field of View Linear: 49 ft at 100 yds Optical Coating: Fully Multi-Coated Fabric/Material: 6061-T6 Aluminum Color: Black Exit Pupil: 7 mm Features of AT3 Tactical RRDM 3x Red Dot Magnifier w/ Flip to Side Mount Easy upgrade to extend the range of any red dot sight with 3X magnification Quickly transition between short- and long-range shooting scenarios. Just pull back the magnifier and flip to the side Easy install & removal with Picatinny thumb screw mount Crystal-clear multi-coated optics for a sharp sight picture Adjustment screws make it simple to center the red dot in the sight picture Fast focus adjustment ensures a crisp sight image Sturdy flip-to-side mount with a positive locking mechanism made of durable 6061 T6 aluminum matte anodized finish A shockproof optic with ruggedized rubber shrouding built to withstand the recoil of any weapon including shotguns and large-caliber rifles Scratch-resistant optical coating Package Contents: AT3 Tactical RRDM 3x Red Dot Magnifier w/ Flip to Side Mount Flip to side mount 3X magnifier Hex key Lens Cleaning Cloth Spacer Extra screws AT3 Tactical RRDM-3X: RRDM 3x Red Dot Magnifier with Flip-to-Side Mount