Silent cylinder head NBU - AirsoftParts

**Product name:** Silent cylinder head NBU - AirsoftParts **Product description:** **PARAMETERS** - **Designation:** HV-TICH-NBU - **Dimensions:** NBU - **Material:** EN AW 6012 T6 - **Maximum recommended spring:** M170 - **Seal:** Sealing sleeve with impact surface - **Surface finish:** Chemical nickel plating - **Impact surface:** Connected to sealing sleeve - **Impact surface hardness:** 70 ShA - **Weight:** 11.5 g - **Compatible with gearbox:** v.2, v.3 - **Manufacturer:** AirsoftParts - made in the Czech Republic **Technical details:** The cylinder head is made of EN AW 6012 duralumin on a CNC machining center. This innovative design includes an integrated impact surface and seal, ensuring optimal sealing and smoothness. The surface is chemically nickel-plated, providing excellent corrosion and abrasion resistance. The surface hardness after plating reaches 660-850 HV (58-63 HRc). **Key features:** - **Perfect sealing:** Double sealing (sleeve + sealing ring) ensures effective sealing between the cylinder head and the cylinder. - **Large impact surface:** The rubber impact surface is suitable even for the strongest springs. - **Integrated design:** The seal and impact surface are made from a single piece, ensuring a perfect seal. - **High slip resistance:** High-quality nickel plating provides a smooth surface for easy nozzle movement. - **Long service life:** The surface treatment ensures a long service life for the component. **Note:** The silent NBU cylinder head can only be combined with an NBU nozzle and cylinder.