Maple Leaf Hop-Up Plus Inner Barrel 200mm Set for GHK G5

DIY ability required !
※Correct installation method: Remove the barrel first , and then installing the HOP-UP set. Final install the barrel back.※
● Material: Nylon fiber, rubber, metal.
● This is the GBB spec barrel, which needs to be assembled Maple Leaf Hop-up to fit GHK G5.
● This item includes hop-up set, and a GBB type 200mm silver 6.03 inner barrel (not the Crazy Jet version).