The Shooter's Design Piston Head Set is an upgraded piston head or piston lid for Tokyo Marui Hipapa pistols. This will also fit other compatible TM GBB airsoft guns.
Shooter's Design makes a whole line of custom and upgrade parts for GBB airsoft pistols. The replacement piston head is a CNC aluminum part that includes two o-rings for optimal adjustment in any pistol. Additionally, an upgraded nozzle return spring is included for reliable, crisp operation.
Shooter's Design Hicapa Piston Head Set Features:
-CNC Machined Piston Head
-Two O-Rings Included
-Improves Durability and Air Seal
-Fits other TM GBB