The Maple Leaf KWA KRISS Hop Up Cylinder is a replacement chamber for the KRISS GBB. This is compatible with the original bucking as well as the EVO II and Maple Leaf Diamond hop-up bucking.
The precision sleeve delivers improved consistency and performance.
Maple Leaf KWA KRISS Hop Up Cylinder Features:
-CNC Machined Construction
-Compatible with Original and Aftermarket Bucking