SIG AIR Reflex Sight for M17/ M18 Airsoft GBB

SIG AIR Reflex Sight for M17/ M18 Airsoft GBB Powered by CR2032 Batteries 23mm field of View Precise and crisp 3 MOA dot Elevation/ Windage Adjustments and 6 Level Intensity Control Suitable For SIG AIR P320 M17/ M18 Series Airsoft Gas Blow Back GBB Pistol Airsoft Guns