Tier None Gen 3 Dovetail J-Arm for PVS-14 Night Vision Monoculars The Tier None Gen 3 J-Arm is the latest generation of lightweight mounting arms designed for PVS-14 and compatible night vision monoculars. Precision-machined from high-quality aluminum alloy, it delivers an excellent balance of strength, durability, and reduced weight for professional use. Unlike traditional bayonet J-Arms, the Gen 3 model features a secure dovetail interface, providing a stronger and more stable connection with modern helmet mounts. Its articulated design allows users to quickly switch the monocular from the left eye to the right eye, making it ideal for both left- and right-handed operators. Key Features Latest Generation Tier None Gen 3 J-Arm Precision CNC-machined aluminum alloy construction Lightweight, durable, and corrosion-resistant Dovetail interface for maximum stability Quickly switches the monocular between the left and right eye Designed for professional, military, law enforcement, and civilian applications Compatibility PVS-14 Tanto Katana Most PVS-14 compatible monoculars Dovetail helmet mounts Important Notice This J-Arm uses a DOVETAIL interface. It is NOT compatible with bayonet helmet mounts. Please ensure your helmet mount supports the dovetail standard before purchasing. Package Includes 1 × Tier None Gen 3 Dovetail J-Arm The Tier None Gen 3 Dovetail J-Arm is the perfect mounting solution for users seeking a lightweight, rugged, and highly reliable helmet interface for modern night vision systems.