Maple Leaf GBB Hop-Up Unit - TM/KJW/WE Hi-Capa

Metal hop-up chamber for Hi-Capa GBB guns. In addition to the hop-up unit, the package includes an I-Key hop-up presser and a hop-up adjustment lever. The hop-up chamber is compatible with Marui / KJW / WE series Hi-Capa GBB pistols.