Ftodsp Gbb Night Vision Optics Mechanical Night Sight Set For Tokyo Marui Glock G17/18/19 Tall Suppressor Magazine In environments with low light

In environments with low light

The sights also take up a minimal amount of rail space leaving plenty of room to be used as back up iron sights in conjunction with point

luminescent material (PHOSPHOR)

Comes with a enhanced magazine insert

Ftodsp Gbb Night Vision Optics Mechanical Night Sight Set For Tokyo Marui Glock G17/18/19 Tall Suppressor Magazine In environments with low lightOur metal night vision sight is made of luminescent materials. It requires a light source to charge the luminous materials(no tritium). During the day, it needs to absorb light or be illuminated by the flashlight of a mobile phone for 1 minute. Subsequently, it will emit an enchanting glow in a dim environment and last for about 2 hours. If you can't accept its glowing time, please don't make the purchase. Thank you. FEATURES Fits MARUI G17 18C 19 GBB