GG&G, Inc., Flashlight Mount, Fits Mossberg 590, Anodized Finish, Black WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. Fits 12ga models ONLY Installs easily Designed and manufactured to withstand the rigors associated with professional use The MIL-STD-1913 accessory rail can be positioned facing forward or rearward Length: Accessory rail measures 1 3/4" long Product Description GG&G's unique design of the Ambidextrous Mossberg 590 Flashlight Mount provides an easy way to mount a tactical flashlight on your 12 gauge Mossberg 590.