Delrin TopMax nozzle for M4 21.21mm replicas

Delrin TopMax nozzle for M4 replicas

Dish from brand TopMax i.e. the forefront of Italian Airsoft and one of the members of the airsoft technology Aisoft Italy Collaborazione.

The neck is made of an ultra-light material called Delrin.

Delrin it's a kind of  techno-polymer (POM-H) which has several unusual properties relative to traditional plastics. 
They have a much higher resistance to mechanical abrasionas well as resistance to temperature (especially that created by friction)

Dish TopMax has single O-ringproviding an excellent seal with the appropriate head. The internal diameter of the nozzle is 5.40mm.