Black anodized 7075 aluminum. Both screw holes are 19/64″ in diameter in this trigger guard.
For use on polymer stock 5.56 rifles, the front hole will need to be drilled out to 23/64″.
This trigger guard is .600″ wide, with a hole spacing of 2.790″ center to center. Holes are .295″ in diameter. It will fit other Mossberg models if they have the same dimension trigger guard……please measure yours before calling/emailing us. We don’t know the dimensions of your specific trigger guard.