
Availability: In Stock
The ATN J-Arm Dovetail Helmet Mount is a mounting adapter designed to attach your night vision optics securely to a helmet-based platform. If you're running thermal imaging equipment like ATN's ODIN LT monocular and need hands-free operation for surveillance, tactical work, or specialized field operations, this dovetail adapter bridges the gap between your optic and standard helmet mount systems. The matte black finish keeps glare down and blends with tactical gear.
Built with durability in mind, this helmet mount adapter uses a dovetail connection to lock your compatible thermal monocular in place, giving you a stable platform without taking your hands off your rifle or equipment. For operators who need to mount night vision equipment on a helmet rather than a rifle rail or handheld setup, this accessory opens up a different workflow—especially useful in close-quarters scenarios, vehicle ops, or multi-tasking situations where you need your hands free and your optics in a fixed position relative to your head.
The J-Arm design is straightforward: no complicated tools or adjustments. If you're already running a standard helmet mount system, this adapter lets you integrate your thermal monocular into that existing infrastructure. It's the kind of accessory that becomes invaluable once you realize you need it—and once you go helmet-mounted for a particular mission profile, it's hard to go back.
| Color | Matte Black |
| Mount Type | Helmet Dovetail Adapter |
| Compatible Device | ATN ODIN LT Thermal Monocular |
This adapter is designed for the ATN ODIN LT thermal imaging monocular and attaches via dovetail connection.
The adapter is designed to work with standard helmet mount systems. Your helmet mounting infrastructure must be compatible with this dovetail-style attachment.
Yes. The J-Arm Helmet Mount secures your thermal monocular to your helmet, freeing up your hands for rifle operation, vehicle controls, or other tactical tasks.

SKU: 114465144 • Weight: 0.28oz
Availability: In Stock
The ATN J-Arm Dovetail Helmet Mount is a mounting adapter designed to attach your night vision optics securely to a helmet-based platform. If you're running thermal imaging equipment like ATN's ODIN LT monocular and need hands-free operation for surveillance, tactical work, or specialized field operations, this dovetail adapter bridges the gap between your optic and standard helmet mount systems. The matte black finish keeps glare down and blends with tactical gear.
Built with durability in mind, this helmet mount adapter uses a dovetail connection to lock your compatible thermal monocular in place, giving you a stable platform without taking your hands off your rifle or equipment. For operators who need to mount night vision equipment on a helmet rather than a rifle rail or handheld setup, this accessory opens up a different workflow—especially useful in close-quarters scenarios, vehicle ops, or multi-tasking situations where you need your hands free and your optics in a fixed position relative to your head.
The J-Arm design is straightforward: no complicated tools or adjustments. If you're already running a standard helmet mount system, this adapter lets you integrate your thermal monocular into that existing infrastructure. It's the kind of accessory that becomes invaluable once you realize you need it—and once you go helmet-mounted for a particular mission profile, it's hard to go back.
| Color | Matte Black |
| Mount Type | Helmet Dovetail Adapter |
| Compatible Device | ATN ODIN LT Thermal Monocular |
This adapter is designed for the ATN ODIN LT thermal imaging monocular and attaches via dovetail connection.
The adapter is designed to work with standard helmet mount systems. Your helmet mounting infrastructure must be compatible with this dovetail-style attachment.
Yes. The J-Arm Helmet Mount secures your thermal monocular to your helmet, freeing up your hands for rifle operation, vehicle controls, or other tactical tasks.
SKU: 114465144 • Weight: 0.28oz
