HSTL Thermal LENS - Clear $200 Mystery Box One of the key features

One of the key features of the Bifrost Tracer Unit is its ability to simulate muzzle flash

Holds one 12g CO2 cartridge internally

Primarily designed for M4 Mid Cap Magazines

Weight: 7

which allows it to be securely attached to any loop surface

HSTL Thermal LENS - Clear $200 Mystery Box One of the key featuresWhat's Included? HK Army HSTL Goggle Thermal Lens (Clear) What you need to use it This is a replacement thermal lens for the HK Army HSTL Goggle. To install, remove the current lens from your HSTL goggle frame and snap the new thermal clear lens into place (tool free quick change system). Clean with a dedicated lens cleaner and microfiber cloth before use. Pair with your existing HSTL goggle frame for anti fog performance during airsoft or paintball