HK ARMY HSTL Thermal LENS - Clear smoke grenade Users can choose Rifle or

Users can choose Rifle or Pistol Aiming whichever they prefer

Polymer mag-well doubles as an oversized angle foregrip for maximum weapon retention and manipulation

Hop-up - Adjustable by opening breach

provides maximum ventilation

Lower Shell for ICS split gearbox

HK ARMY HSTL Thermal LENS - Clear smoke grenade Users can choose Rifle orThe 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 Works only with HSTL