M-LOK 240 Adapter plateCompatible with RRS lever-release and Arca-Swiss standard clamps. Arca standard base dovetailCompatible with Arca tripod ball heads. Can be suspended under Magpul M-LOK guard via two Cammed T-Nuts for easy installation and removal. By using the SMP-240, a rifle can be mounted on a tripod for a stable shootingLightweight hollowed-out designWeighing only 115g/4oz. T6061 Aluminum main body, elaborately CNC machined with type-III hard-anodized finish ensures it's resistant to abrasion and corrosion; Screw and T-shaped screw are stainless steel