MAK Optics Hellfire Glock Pistol Sight. A motion sensor activates the system which consists of a visor unit with two actively illuminated targets and a passively illuminated visor. Various levels of intensity can be manually set from NV mode to maximum brightness to flas the enemy and signal a ready-to-fire signal. The MAK HellFire sight is currently available for all Glock pistols Specifications for MAK Optics Hellfire Glock Pistol Sight: Manufacturer: MAK Optics Fabric/Material: 7075 T6 Aluminium Gun Type: Pistol Attachment Type: Picatinny Illumination Type: LED Weight: 229 g Mount Type: Picatinny Battery Type: Lithium Metal CR1632 Features of MAK Optics Hellfire Glock Pistol Sight The LED-illuminated visor makes it easier to see the target day and night. Fast and high-contrast target detectin. Only the sights and front sight will changeon the weapon no other changes required. Automatic activation mod. NV compatible. Package Contents: MAK Optics Hellfire Glock Pistol Sight Battery Manuel Instruction Front Sight Torx Key Screws MAK Optics 28100: Hellfire Glock Pistol Sight