FPS Zero Shock Full Metal Rack 14 Teeth Piston PM04 – Unbeatable Durability and Performance

The Zero Shock Full Metal Rack 14 Teeth Piston PM04 by FPS is an advanced component designed to elevate airsoft replica performance. Built with a reinforced technopolymer body and a full-metal rack, it offers unmatched durability and extreme customization potential.

Key Technical Features

Patented Zero-Shock System:

• Reduces stress transferred from the rack to the piston body.
• Enhances reliability and longevity compared to standard pistons.

Body Material:

• Technopolymer reinforced with elastomer for:
  • High mechanical resistance.
  • Ultra-low friction coefficient.

Full-Metal Rack:

• Manufacturing: MIM (Metal Injection Molding) technology ensures high precision and robustness.
• Material: SAE 4650 steel with surface hardening (HRC38-42°).
• Teeth Configuration:
  • Second tooth removed.
  • Third tooth lowered by 0.3 mm for optimal Angle of Engagement (AOE), ideal for high-speed performance.

Functional Design:

• Guides: Reduce friction and retain lubricant for prolonged use.
• Rack Seat: Offset to optimize meshing with the sector gear.
• Side Reinforcements: Prevent rack contact with the cylinder walls and enhance overall durability.
• Internal Ribs:
  • Minimize contact and friction between the spring and piston body during firing cycles.

User Benefits:

• Exceptional Strength: Handles high stress, perfect for advanced configurations.
• Optimized Performance: Ideal for high-speed firing cycles.
• Universal Compatibility: 100% compatible with standard Marui gearboxes.
• Guaranteed Italian Quality: Fully designed and manufactured in Italy.

Ideal Applications:

• Upgrades for high-performance airsoft replicas.
• Custom builds requiring exceptional strength and reliability.
• Intense gaming scenarios demanding precision and durability.

Warnings:

• Verify compatibility with your replica before installation.
• Use only recommended lubricants.
• Never aim the replica at people or animals.
• Keep out of reach of children.