Arisaka Defense QD M-LOK Mount Black. It features an anti-rotation interface and accepts all standard QD sling swivels as well as the Geissele/ALG Defense forged QD sling swivel. The mount is CNC machined from 6061-T6 aluminum and MIL-A-8625 Type III hard coat anodized. Requires a 5/32in Allen wrench for installation (not included). Made in specialized factories. Specifications for Arisaka Defense QD M-LOK Mounts: Manufacturer: Arisaka Defense Flashlight Application: Hunting Fabric/Material: CNC machined from 6061-T6 aluminum Color: Black Finish: MIL-A-8625 Type III Hard Coat Anodized Condition: New Height: 0.375 in Weight: 0.3 oz Country of Origin: USA Package Contents: Arisaka Defense QD Mount M-LOK Arisaka Defense QD-M: QD M-LOK Mount Black