IR Defense is a renowned American manufacturer of advanced thermal weapon sights. It is also into the making of thermal monoculars and digital image intensified night vision sights. Its products are built to satiate the demands of warfighters and shooters, at a price that is affordable. Each device is designed, assembled, built, machined and fabricated in the US, with utmost care and precision. The IR Defense team is made up of shooters, veterans and industry professionals to intersperse IR Defense thermal/ monocular and night vision sights with knowledge that is acquired through experience. The list of top IR Defense thermal weapon sights is inclusive of IR Hunter Mark III 2.5-20x Kit IRHM3-640-35-K|IRHM3-640-35-K, IR MKII 2.5-20x Thermal Weapon Sight IRHM2-640-35 and IR Patrol M300W Weapon Mounted System 640x480 IRP-M300W.