... .Source: GREE Q5 LED, made in the US, is impervious to shock for 100,000 hours lifetime.7.Effective Range in ... inch(25.4mm), Rail system Wide 21mm13. Fit for Rifle, air rifle, soft air riflescope, Snipe rifle ,M16, AK47 and so on14.Brand: Engrave ... black box17. Set package weight: 400g Aluminum CREE Q5 LED flash light mounted on the rifle