Airsoft Taiwan feature another release from Maple Leaf for this video, the Maple Leaf CNC'd Hop-Up Chamber for the GHK AK Series. The GHK AK GBB Series come with plastic hop-chambers and if you you prefer a metal one, then you can take a look at this version from Maple Leaf. This available right now at the Airsoft Taiwan online store at a reduced price and is suitable for Maple Leaf and RA-Tech Precision Inner Barrels.