Home / Optics / Unity Tactical KNUCKL Full Kit – Black Unity Tactical KNUCKL Full Kit – Black$122 Unity Tactical KNUCKL Full Kit – Black allows you to mount mission-specific accessories, such as cameras or lights, onto your helmet. Unity Tactical KNUCKL Full Kit - Black quantity Add to cart Categories: Accessories, Maintenance, Optics Product ID: 2336 Related products Bering Optics 3X Afocal Mil Spec Lens $400 Unity Tactical MARK w/ SARA Kit (ARC Rail) $125 D-790 HD 6X Dedicated Night Vision Rifle Scope – (WP Aviation Grade Tube) $3,490