Dye I4/I5 Goggle System Thermal Lens - Dyetanium Series spring airsoft guns three round burst

three round burst

and most durable/long lasting upgrade available and also very simple to install

and the charging handle

Wave Trigger: The G5's Innovative Wave Trigger is fully milled & constructed with dual bearings & critical pivoting motion

Dye I4/I5 Goggle System Thermal Lens - Dyetanium Series spring airsoft guns three round burstThe pinnacle of clarity, performance, safety, and durability. Stunning optical grade polycarbonate clarity coupled with the most robust thermal anti fog technology in the game. Features Compound curved injected optical polycarbonate construction. Over 270 degrees of horizontal vision. UV and IR resistant thermal lens.