Modify Airsoft 155 Air Seal Nozzle
Unlike stock air nozzles, this upgrade part from modify uses an internal O-Ring to create a better seal between the air nozzle and the cylinder head increasing your gearbox's efficiency and fps. Made for Sig 551, 552.
- Add an O-ring, which allows for good airflow. Made of high grade POM this oil-less design improves the durability of the part.
- GB-08-07: Air Seal Nozzel for SIG551,552