Empire Vents Thermal Lens - Yellow Geo4 250"-20 thread to allow fitment

250"-20 thread to allow fitment of any imperial threaded AR15 hand guard with a seamless monolithic top rail (when used with the optional arbiter top rail for M17 CQC)

Currently for the m170R and the EMEK/EMF100

Heavyweight cotton body with mineral-washed finish for a rugged

+ x2 8x1 NBR 70 O-Ring

Empire Vents Thermal Lens - Yellow Geo4 250"-20 thread to allow fitmentFits all goggles using Vents lense system (e Flex, E Vent, Avatar, Helix) Now available in a range of awesome vivid colours to suit all weathers and lighting conditions. Full features include: Thermal, dual pane construction reduces fogging Lense design has zero optical distortion, for clear viewing at all angle Rapid, tool free lens replacement Blocks UV radiation