PRO ARMS Tritium Suppressor Sight with RMR Mount for SIG AIR / VFC M17 M18 & XCARRY GBB Airsoft

Tritium ( Hydrogen-3 ) illuminated aiming dots for use in low-night or darkness Suitable for SIG AIR / VFC M17 M18 & XCARRY GBB airsoft 2 front dot color available : Orange / Yellow