GHK - SIG553 Hopup CNC AAP-001 Valve opening can be adjusted

Valve opening can be adjusted from: “Fully open” to “Fully closed”

Please refer to your airsoft gunsmith for proper installation / fitting

Protect your handgun optics with confidence

32g BBs for best performance

GHK - SIG553 Hopup CNC AAP-001 Valve opening can be adjustedThis Maple Leaf CNC Aluminum Hop Up Set For GHK SIG 553 GBB is made out of high strength aluminum which is made with high precision CNC machining. This set comes with a Maple Leaf Hot Shot 75 Degree Hop Up Rubber. This set fits the standard GBB inner barrel and the Maple Leaf Crazy Jet barrel. This set is compatible with GHK SIG 553 GBB rifles. CNC Hop Up Chamber For GHK SIG 553 GBB Comes with Maple Leaf Hot Shot Hop Bucking (75) Suitable for GBB and