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Flashlight Mount for the AR Forestock

My local shooting club holds some of its matches at night.  As such I have had the need to easily add a light to a rifle.  This flashlight mount is made from a 1" scope ring and short piece of an aftermarket Weaver rail.  This technique mounts the flashlight in the 8 o'clock position, just below the barrel, and it has worked well for me in practice.  The light is activated with the thumb of the support hand eliminating the need for a pressure switch on the end of a pigtail.

My first attempt at a weapon mounted light used the bayonet lug as a mounting point.  Advice from those more experienced than I, suggested that a light mounted at the 7-9 o'clock position would be more out of the way, and receive less abuse while shooting over barricades, getting in and out of vehicles, etc.

This idea is free for non-commercial use and is offered with no warranty or other claims expressed or implied.  Ken Reed, 10/15/2006.

Finished mount.  The flashlight is activated with the thumb of the support had..

A 1.25" piece of Weaver rail is cut from an aftermarket Weaver rail adapter.

This particular Weaver rail was chosen because it has the same curvature as an AR forestock..

The forestock has two ribs removed and two holes drilled 13/16" apart for mounting.

The Weaver rail is mounted to the forestock with 6-32 machine screws.  Note, an additional mounting
hole was added to the Weaver rail to get the appropriate spacing.

Large aluminum washers are used to prevent the bolts from pulling out.  Note that the location of the
mounting holes was chose on either side of the heat shield mounting lug.  Green loctite is used to secure
the bolts and nuts.  Reinstall the heat shield and reinstall the forestock.

Copyright © 2006, Ken Reed