Silencer adapter for MB4401 18 mm thread AirsoftPro

Silencer adapter for MB4401 18 mm thread old version AirsoftPro
Features:

Lightweight and durable material: Aluminum alloy 6061 T6
Black anodized
Made at CNC machines
Original AirsoftPro design
Inner edge for better alignment
Inner barrel passes through the centering rubber ring
Surface design with diamond striations
Thread protection ring against dirt and wear
Approximate gun thread: M18x1
Outer thread: M14x1 CCW
Crosswise holes in both threads are for better tightening or loose.
Compatibility:

Suitable for Well MB4401 sniper rifles, older versions that have the outer barrel diameter of approximately 18 mm.
Measure the inner diameter of the thread in the exterior barrel before ordering.
If the diameter is about 16 mm then more suitable would be the silencer adapter code: 7142.

NOTE! It is NOT compatible with sniper rifle MB4420 Well code: 7974.