HK Army HSTL Thermal Lens Color:Ice The gas port is enlarged

The gas port is enlarged to work with every variation of gun body

The Speed is not only quick but also incredibly light

With that said we do have several customers that have purchased this

2 NBR 70 O-Ring

extra large on/off lever with no slip traction lobes

HK Army HSTL Thermal Lens Color:Ice The gas port is enlargedHK Army HSTL Thermal Lens For HSTL Goggles and HSTL Skull Goggles 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