US$ 120.00
The i4 system also has a variety of lens options to match your lighting conditions
Compression formed soft Ear pieces Compression formed soft ear pieces with adjustable positioning allows you to customize the goggle for a lower profile fit
so one barrel and a few inserts will do the job of multiple barrels
Reticle: MIL-DOT
2 - Rear Bolt O-Ring
Tippmann X7 Phenom Rear Sight AEG Rifles The i4 system also hasFits: Project Salvo X7 Phenom