quick release M4/AR 15 3-Slot 1" High Riser Mount Compact Riser Mount.
Length 1.6" x Width 1.6" x Height 1.2" ;
quick release M4/AR 15 3-Slot 1" (25.4mm) High Riser Mount Compact Riser Mount.
quick release Aluminum Low-Profile 1" High Riser Mount with 21mm picatinny rail gun accessories