Chamber Set for VFC GLOCK G17 Gen5/G19 Gen4/G19X/G45 GBB

●For (VFC) G-series Pistol Series
●Hop wheel + Vertical tensioner design to decrease the original parts tolerance
●Vertical tensioner with curve shape design for good setting of BBs
●Stable Hop effect and better air-seal
●Suitable with Maple Leaf GBB/VSR Hop rubber and pistol inner barrel or "Crazy Jet" inner barrel
●Additional Vertical tensioner for backup or user can modify it by yourself.