Magpul Industries M-LOK Dovetail Adapter Pro Chassis Full Rail for RRS/ARCA Interface Black. This 2 Slot adapter enables the user to mount a RRS/ARCA combo clamp directly to their M-LOK hand guard. This prevents the user from having to remove their RRS/ARCA to gain access to the hand guard slots for adjustments. This prevents the user from having to remove their RRS/ARCA to gain access to the scope. Machined from a proprietary tool steel the two-piece design is corrosion and UV resistant. Anodized to prevent wear and tear the Magpul Dovetail Adapter also has an alignment nut to prevent potential clamping issues. Specifications for Magpul Industries M-LOK Dovetail Adapter 2 Slot for RRS/ARCA Interface: Manufacturer: Magpul Industries Color: Black Finish: Anodized Fabric/Material: Machined Aluminum Gun Rail: Dovetail M-LOK Gun Type: Rifle Condition: New Package Contents: Magpul Industries M-LOK Dovetail Adapter 2 Slot for RRS/ARCA Interface Magpul Industries MAG1053: M-LOK Dovetail Adapter Pro Chassis Full Rail for RRS/ARCA Interface Black