DYE i4 Goggle - Black Night Evolution Integrated rear sling swivel

Integrated rear sling swivel

this was the most critical part and we added 100% more material where is huge radius

complete with a dummy gas tube

A bullet feeding mechanism

DYE i4 Goggle - Black Night Evolution Integrated rear sling swivelDESCRIPTION The smallest profile, lightest, and best field of vision goggle system available. The i4 is the apex of Dye's long legacy of goggle engineering. The thermal lens leads the industry in optical clarity and provides a distortion and fog free field of vision regardless of weather. The i4 system also has a variety of lens options to match your lighting conditions. Stock lens is Clear FEATURE QUICK VIEW Anti Fog Thermal Lens Rapid Lens Change