Bump up the magnifying power of your red dot sight with Bushnell's 3x AR Optics Transition Magnifier. This versatile optic fits on a Picatinny/Weaver rail behind your Bushnell TRS-25 or other select red dot sight using the included ambidextrous flip mount, allowing you to flip it in and out of line of sight. The optical system offers bright and clear fully multi-coated elements and an unlimited field of view and eye relief. For proper alignment with your sight's reticle, the device also has horizontal and vertical alignment adjusters. To withstand challenging environments and conditions, the housing is made of aluminum alloy and provides a waterproof, fogproof, and impact-resistant performance.