Quick Transitions-Simple, fast, and effective. The flip-to-side picatinny rail mount to allow you to shoot either 1X or 3X magnification by simply pushing the magnifier to the side.

558 Holographic Red Green dot sight +G3X 3X Magnifier Quick-Release Flip Mount Magnifier adds a 3x magnification . Simple, fast, and effective, the push button design engages and disengages the flip mount allowing the magnifier to lock in at your desired position.

Durable & Compatible: Tough & shockproof, the hard-coat-anodized machined-aluminum construction ensures durability. Made of high grade aluminum alloy which makes the red dot sight durable and light weight.

The lens are fully multi-coated maximizing resolution, light gathering capability, and color fidelity.

558 red dot +g3x magnifier is nitrogen purged for reliable waterproof and fogproof performance in the field.Use lens cleaning fluid and optical tissue or cloth to clean lenses

558 holographic Red green dot dot +G3X 3xMagnifier Exit pupil distance: infinite Type of lighting: Level 20 luminance red and green mesh cables provide maximum flexibility in different lighting conditions Focus type: fixed Material: Aluminum alloy Easy to install and suitable for any 20mm track Elevation adjustment and view side lever Shockproof and weatherproof material Easy to install built-in quick detachable installation Battery :CR123A(NO excluding )