The new M3 Tactical Illuminator adapter rail for dovetail installation on such systems as the Knight Armaments Company’s "RIS" or "RAS" forearms or the D.S. Arms rail units for the FN FAL series can be easily installed and provides a solid and sturdy mounting base for the M3. This clever squeeze rail design will also fit on mil spec 1913 and other "Weaver"-type dovetails. Both the adapter rail and the M3 Tactical Illuminator can be easily installed or removed. This new GG&G adapter is manufactured from 6061 T6 aluminum and is hard-anodized matte black.