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AirsoftParts Silent Piston Head
AirsoftParts silent piston head is a CNC-machined piston head made from EN AW 6012 T6 duralumin with a pneumatic brake that creates an air cushion before impact to reduce noise and dynamic shock. It features 9 holes for pressure-assisted sealing, an axial ball bearing and a polished surface. Designed for V2 and V3 gearboxes with springs up to M150.
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Accessories
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19,41 €Out of stock
AirsoftParts Silent Piston Head With Pneumatic Brake
AirsoftParts silent piston head is a CNC-machined component for AEG air seal systems, made from EN AW 6012 T6 duralumin. Its main feature is a pneumatic brake that restricts the escaping airflow before the piston impacts the cylinder head, creating an air cushion. This cushions the final phase of piston movement, helping to reduce shot noise and dynamic shock transferred to the gearbox. The front features 9 holes through which air flows beneath the sealing O-ring during compression, expanding it against the cylinder wall. It also incorporates an axial ball bearing that allows the spring to rotate more freely during compression. The piston head weighs 11.6 g, has a polished surface and is specified by the manufacturer for V2 and V3 gearboxes. It can be combined with both the AirsoftParts silent cylinder head and CLASSIC cylinder head. Proper function requires professional installation and precise AoE adjustment with the pneumatic brake compressed and a clearance of 0.5–1 mm. The design is not intended for high RoF builds, and the manufacturer's limits for spring strength, firing mode and RoF must be observed.
Key Features
Pneumatic Brake for Cushioned Impact
Before piston impact, the pneumatic brake creates an air cushion that slows the final phase of its movement. This results in lower noise and reduced dynamic shock transferred to the gearbox.
9 Holes for Pressure-Assisted Sealing
The 9 front holes direct air beneath the sealing O-ring during compression, expanding it against the cylinder wall and helping to effectively seal the piston assembly.
CNC-Machined EN AW 6012 T6 Duralumin
The piston head is precision CNC-machined from EN AW 6012 T6 duralumin and has a polished surface. The manufacturer specifies a maximum recommended spring of M150 when used under the corresponding conditions.
Axial Ball Bearing
The integrated axial ball bearing allows the spring to rotate more freely during compression, reducing torsional stress and contributing to longer spring life.
For Properly Adjusted Lower-RoF Builds
The silent piston head is designed for builds that comply with the specified spring and RoF limits. It is not suitable for high-speed configurations and requires correct AoE adjustment during installation.
Technical Specifications
- Designation: HP-TICH
- Type: Silent piston head for AEG
- Size: Standard
- Material: EN AW 6012 T6
- Manufacturing: CNC machining
- Maximum Recommended Spring: M150 with semi-auto fire
- Sealing: 1× O-ring
- Number of Front Holes: 9
- Braking: Pneumatic brake
- Surface Finish: Polished
- Bearing: Axial ball bearing
- Nut: Plastic
- Weight: 11.6 g
- Compatibility: V2 and V3 gearboxes
- Compatible Cylinder Heads: AirsoftParts silent cylinder head / CLASSIC cylinder head
- AoE Adjustment: With the pneumatic brake compressed, 0.5–1 mm clearance between the piston head and cylinder head
- Recommended Use With M150: Semi-auto only
- Recommended Use With M140: Semi-auto or full-auto up to 8 BB/s
- Recommended Use With M120: Semi-auto or full-auto up to 15 BB/s
Package Contents
- 1× AirsoftParts silent piston head
Frequently Asked Questions (FAQ)
How Does the Pneumatic Brake of the Silent Piston Head Work?
Before the piston fully impacts, the pneumatic brake restricts escaping air and creates an air cushion. This cushions the final phase of piston movement, helping to reduce noise and mechanical shock transferred to the gearbox.
Does the AoE Need to Be Adjusted During Installation?
Yes. The manufacturer explicitly requires correct AoE (Angle of Engagement) adjustment. It must be set with the pneumatic brake compressed so that a clearance of 0.5–1 mm remains between the piston head and cylinder head. Installation therefore requires appropriate technical knowledge.
Is the Silent Piston Head Suitable for High RoF?
No. The manufacturer does not recommend it for high-RoF guns. With an M140 spring, the recommended maximum in full-auto is 8 BB/s, and with an M120 spring it is 15 BB/s. With an M150 spring, only semi-auto fire is recommended for long service life.
Do I Have to Use a Silent Cylinder Head?
No. According to the manufacturer, the silent piston head can be combined with both the AirsoftParts silent cylinder head and the CLASSIC cylinder head. In both cases, correct adjustment of the entire assembly and AoE is essential.
| Piston head | Metal |