Maple Leaf - CNC Hop Up Chamber Set for GHK 553 GBB HK45 Full Length: 255mm (Rail Length:

Full Length: 255mm (Rail Length: 200mm)

4V Recommend Fit Battery Pack Stock Pipe (Li-Po) Barrel Thread Type Clockwise Barrel Thread Diameter 14mm Magazine Capacity 130 Bullet Type 6mm BB Power (Muzzle Velocity) 330 FPS Auto Firing Rate 700 ~ 850 Rounds per Minute Package Includes G&P MK18 Mod I (Black)

you need to do it yourself and we did just that

SKU KA-PH-1000-BK Item Weight (gram) 43 Major Color Black Built Material High Density Nylon Construction Manufacturer King Arms

UTG New Gen 400 Lumen Swatforce Series Weapon-mount and Handheld Multi-purpose LED Flashlight

Maple Leaf - CNC Hop Up Chamber Set for GHK 553 GBB HK45 Full Length: 255mm (Rail Length:Manufacturer Brand: Maple Leaf Major Built Material: Aluminum Maple Leaf Upgrade Hopup Chamber for GHK 553 GBB Rifle. Disclaimer: Upgrading airsoft guns require necessary skill & technique, manual modification is necessary, consult expertise if needed.