HK Army HSTL Thermal Lens Color:Smoke durable polycarbonate pipe is wiped

durable polycarbonate pipe is wiped clean by the bolt tip o-ring on every cycle creating a self-cleaning operation that ensures the eyes are always monitoring the breech

Durable Polyurethane O-rings: Low-maintenance seals provide long-lasting reliability under intense gameplay conditions

It's lightweight

the integrated ball sizer and storage for o-rings make it convenient to keep your gear organized

5" 2-Piece Barrel - Cocker Threads (Black Version Comes with the S63 PWR Barrel)

HK Army HSTL Thermal Lens Color:Smoke durable polycarbonate pipe is wipedHK 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