GG&G, Inc., Front Sling Mount, Fits Mossberg 590, Ambidextrous Design, Matte Finish, Black WARNING: This product can expose you to chemicals including Nickel/Nickel Compounds, which are 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 Compact & easy to install This Mossberg 590 Front Sling Attachment WILL NOT fit 590 M-LOK and 590M versions Sling Attachment solidly mounts behind the end cap of the magazine tube Product Description The Mossberg 590 Front Sling Attachment is designed, manufactured and tested to accommodate HK Style Snap Hooks or Mash Hooks in combination with the GG&G Mossberg 590 Rear Sling Attachment in a conventional dual point sling setup.