Detonator Luminous (Tri style) GL-11 Night Sight for or Umarex(GHK) Glock 17 Gen3 Airsoft GBB Pistol

- Material : Steel
- Sight dots made with light absorbing material, glow in dark after exposed to light.
- For Umarex(GHK) Glock 17 Gen 3 GBB Pistol