DTN Hydra Thermal Helmet Mount J- Arm

Helmet-Mounted Thermal Arm for DTN Hydra

⚠️ Note: This listing is for the thermal arm mount only. Helmet, NVG mount, Wilcox L4G24 (or clone), and DTN Hydra thermal device are not included.

Upgrade your thermal scanning rig with this rugged, helmet-mounted arm built specifically for the DTN Hydra Thermal Monocular. Designed for flexibility and durability, this mount offers a fully swappable configuration—no more left or right eye limitations.

? Key Features:

✅ Swappable Eye Use – Centered pivot design allows fast transitions between eyes
✅ Helmet-Compatible – Designed for helmets with NVG shrouds and Wilcox L4G24-style mounts (not included)
✅ Custom Fit for DTN Hydra – Securely holds your device for hands-free scanning in any environment
✅ Ultra-Lightweight & Durable – Weighs just 1.43oz with hardware, 10.59oz total with thermal
✅ Built to Last – 3D printed using PET-CF carbon-reinforced filament for a tough, field-ready finish
✅ Fully Adjustable – Comes with all mounting hardware and tension bolts for a dialed-in fit
✅ Mission-Ready – Perfect for hunting, surveillance, or tactical ops where hands-free thermal is a must

Whether you're scanning fields for predators or conducting nighttime patrols, this thermal arm keeps your Hydra secure and your hands free to focus on the task ahead.

? Compatible Device: DTN Hydra Thermal Monocular
HS219
HS225
HS325
HS335
HS635
HS650

? Ready to go hands-free? Lock in your mount today and stay mission-ready

Forge 301 Limited 5-Year Warranty At Forge 301, we stand behind the durability and craftsmanship of every product we make. All Forge 301 and DNT mounts are backed by our 5-Year Limited Warranty against material and manufacturing defects. What’s Covered Cracks, breaks, or structural failure of the mount under normal use Layer separation or printing defects Hardware issues (threads, inserts, or fasteners supplied with the mount) If your product fails within 5 years of the purchase date, we’ll repair or replace it free of charge — no hassle, just proof of purchase required. What’s Not Covered Damage from misuse, modification, or improper installation Normal wear and tear, cosmetic blemishes, or fading Damage from impact, heat, or chemical exposure Third-party hardware or accessories