ANS WMLX  Gen 2 Tactical Flashlight 800 Lumen for Picatinny Rail Black

Fit 20mm picatinny rail rotating clamp attaches the light to the rail
Package Size(L x W x H):13x9.5x6.5cm /5.1x3.7x2.5inches

High-performance LED is regulated to maximize the tactical-output level and run time Per battery pack.
Integral aluminum fixture for criticized pistols and long guns equipped with MIL-STD 1913 rails.
Sealed weatherproof - ring and seal.
High-strength construction with Mil-Spec anodization; coated, tempered window.
Activation ergonomic contoured design for easy on/off
Lookout systems safety Lever /hand rotation

attaches the light to the rail, No tools required