Affordable weaponlight made by Night Evolution at RedWolf Airsoft... "Night Evolution Universal Weapon Light attaches by an integral rail clamp to rifles equipped with a Picatinny rail. It utilizes one sealed LED unit to produce both brilliant white light.  FITS: Rifles, carbines, or submachine guns with a forend-mounted Picatinny rail. (See our Picatinny Rail Forends).

Features:

• CREE XP-E R2 LED generates 230 lumens white light and the light lasts for more than 25 minutes
• Tactical Switch: The second generation of pressure activated tape switch
• Securely attaches to any Mil-Spec Picatinny rail in seconds
• Powered by 1*CR123A(3.0V) Battery
• Comes in Black Or DE
• Construction High-strength aerospace aluminum with anodizing; impact-resistant polymer
• Weatherproof O-ring and gasket sealed"