3X Magnifier for Red Dot/Reflex Sights - Rubber Armored Features: - 3 power magnifier mounts behind reflex (red-dot) sights to provide magnification when needed. - Rubber Armored. - Transition between no magnification for speed in close-range combat and magnification for precision shooting as situation dictates. - Rugged construction. - Multi-coated lenses and 30mm tube for excellent light transmission. - Nitrogen purged, shockproof, waterproof, and fogproof.