HK Army HSTL Thermal Lens - Ice New The adaptor

The adaptor

While stock cyclone internals need to be replaced on a regular basis

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With even easier Toolless access to the battery and extra thick ergonomic design

HK Army HSTL Thermal Lens - Ice New The adaptorHK Army HSTL Thermal Lens The HSTL Goggle Lens System is composed of virgin optical grade GE polycarbonate inherently UVA \ UVB and IR shielded, every HSTL lens shields your eyes from dangerous sunlight in every playing condition. The interior thermal lens features 3M Foam Sealant, trapping a layer of cool barrier of insulating air, eliminating condensation and encouraging evaporative cooling. Details Anti Fog Thermal Layer Optical Grade Polycarbonate