Tactical 3x Magnifier Scope Sight with Flip to Side FTS Picatinny Weaver Rail Mount for Eotech Aimpoint Instantly converts a CQB red dot sight into a 3x long range sniping scope Internally nitrogen purged for reliable waterproofing Fully coated lens for the best optical performance Magnifier Dimensions: Length 4.7" x Tube diameter 1.2" (119mm x 30mm) 30mm straight mounting tube with rubber armored griping area