Genuine Issue Surefire Z71 mount for HL1 series lights. Info From Surefire website Ratcheting swing arm enables five (5) different light positions.
eBay
Helmet Flashlight Holder Lamp Base Outdoor Climbing Accessories Head Light Bracket for 3.5-3.8cm Torch Helmet Stents Headpiec
Aliexpress UK
British UKSF PARA RANGER SAS Surefire HL1-B-TN Helmet torch Light , red and IR. With Helmet clip Looks to be almost brand new . All surefire branded not some cheap knock off . Please study the pictures carefully they form part of my description and any questions please ask. Check out my other listing's for more kit.
eBay
Outdoor Helmet Light Mount Adapter Shooting Camping Universal Helmets Flashlight Holder Hook and Loop Attachment Rotatable
Aliexpress UK
Genuine surefire. The white primary LEDs are perfect for general-purpose, close-work illumination; the infrared secondary LEDs are for use with night vision devices (NVDs) and provide an invisible light signature when viewed by the naked eye.
eBay
Red&Blue LED Strobe Warning Light Police Shoulder Clip Flashlight Outdoor Running Light USB Rechargeable Safety Helmet Work Lamp
Aliexpress UK
eBay
Welding Mask Auto Darkening Welding Helmet With Light Automatic Dimming Welding Mask For Mig Tig Cut Grind Welding Hood Helmet
Aliexpress UK
This Surefire Helmet Light With Molle Attachment in White/Blue is an essential accessory for any Special Forces soldier. The light is designed to provide reliable illumination in any situation, and the Molle attachment allows for easy mounting on any compatible helmet. With its sleek design and durable construction, this light is perfect for collectors and active duty personnel alike. The light is issued and not-issued, and has been in use since 1945. It is made in the United States and is compatible with a variety of helmets. Whether you're a collector or a soldier, this light is a must-have piece of Militaria history.
eBay
4pcs Plastic Helmet Clips Easy Mount Hard Hat Light Clips Torch Headlamp Clamp Holder Led Flashlight Parts Accessories
Aliexpress UK
Original Issue Surefire Z71 mount for HL1 series lights. Info From Surefire website Ratcheting swing arm enables five (5) different light positions.
eBay
Mini 3LED Headlight Outdoor Hat Clip Headlight Helmet Light Camping Head Flashlight Forehead Front Hunting Baseball Cap Lamp
Aliexpress UK
Perfect condition, fully working
eBay
LED Headlamp Rechargeable COB Super Bright Head Lights 5 Modes Helmet Lights Motion Sensor For Outdoor Camping Sports Fishing
Aliexpress UK
Brand new ACH helmet light made by surefire Includes infrared I FF Beacon Waterproof up to 1 m meter Multiple settings 48 hour battery life for white light 96 hours battery life for blue light 120 hours battery life for infrared Made for ACH, LWH, MICH, PASGT 
eBay
USB Charging Outdoor Tactical Helmet Safety Flashing Light Survival Signal Light Waterproof Lamp For Hunting Hiking Cycling
Aliexpress UK