Remington Safety, RH. This part is a Remington factory OEM part. Made to the same factory specifications, materials and standards as the parts in your firearm. Feel secure in knowing the part you order will be the same as the worn or missing part from your firearm. This Safety will fit all model 552, 572, 7400, 4, 7600, 6, 11-87, 1100, SP-10, and 870 firearms.