Magpul M-LOK Tape Switch Mounting Plate Surefire® ST Black is a direct attachment method for hard mounting accessories to a negative space mounting point.
BOG 3" M-LOK ARCA-SWISS TRIPOD PLATE
1.5 section wood inlay Mlok plate
NEEWER M Lok Arca Rail Type Quick Release Plate, 5.51'' Rifle Tripod Adapter | eBay