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ZCI Aluminum AEG Piston with Full Metal Teeth

$17.99
Article number: ZCM180b
Availability: In stock (85)

ZCI Aluminum AEG Piston with Full Metal Teeth

These ZCI pistons have a lightened aluminum frame and a steel gear rack. Aluminum pistons are normally significantly heavier than their polymer counterparts and this has some positive and negative effects. Heavier pistons normally have a positive effect on FPS and a slightly negative effect on ROF. This effect is much more pronounced with the use of heavier rounds so these work well with super heavy sniper rounds. Heavier pistons also put more stress on the gearbox due to higher impact energies which can cause gearbox cracking if steps aren't taken to prevent is like raidiasing, sorbo, and STSs. These are ideally suited for use in high power DMRs using heavy rounds. It's added mass provides the momentum to efficiently propel heavy rounds and it's ability to use high torque gearsets means you can easily utilize very stiff springs without overloading the motor and electrics. These versions are the ones with the upgraded gear rack that is CNC machined instead of powder molded.

Specifications:

  • Material: Aluminum body and steel rack
  • Number of steel teeth: 14 + pickup block
  • Piston mass: 21.3g (.751oz)
  • Guide rail pattern: solid rail
  • Stock Piston head lock hole: No
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