NBU set with metal full teeth piston for M4 [BAAL]NBU set with metal full teeth piston for M4 [BAAL]

NBU set with metal full teeth piston for M4

Manufacturer: BAAL
Product SKU: 3188
Availability: This product will be approx. in stock 01st September 2019
NBU set with metal full teeth piston for M4 [BAAL]NBU set with metal full teeth piston for M4 [BAAL]
NBU set with metal full teeth piston for M4 [BAAL]NBU set with metal full teeth piston for M4 [BAAL]
NBU set with metal full teeth piston for M4 [BAAL]NBU set with metal full teeth piston for M4 [BAAL]
Description

Full NBU air system for power increase of the M4 AEG. Recommended barrel 300-400 mm. Set include:

  • chromium-plated cylinder
  • polycarbonate back pressure silent piston head with the bearing
  • stainless cylinder head with double O-rings
  • acetal nozzle with O-ring
  • Light polycarbonate piston with the full metal teeth.


What is NBU? : NBU parts have increased inner diameter to hold more air capacity. It is ussually cylinder, piston head, cylinder head and nozzle. Typically sold as a complete set.  It is recommended use M120 springs or higher to reach proper effect.