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Typical on this piston head is extended nose on the front part.Thanks this unique construction is shooting quiter. Unique washer on the back side protect piston head against loosing during shooting.
Based on tests we recommend to use it on standard or lower rates of fire. Sometimes is also needed to flat second tooth on the piston (counted from the hole side)
Package include piston head, O-ring, aluminium washer, screw and axial bearing.
| Material | Aluminium |
| Application | For all gearboxes except 6 and 7 |
| Purpose | Silent shooting |
| Weight | 12,8g (complet) |
A04-002
CNC Aluminum Piston Head with Double Sealing by Action Army in blue. Lightweight and durable piston head for maximum performance and airtightness. Integrated ball bearing ensures smooth operation and reduces spring friction. 6 vent holes enhance O-ring compression for airtight efficiency.
A04-003
CNC Aluminum Piston Head with Ball Bearing by Action Army in silver. Lightweight and durable piston head for maximum performance and sealing. Integrated ball bearing for smooth operation and reduced spring friction. 6 ventilation holes for efficient O-ring pressurization.