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£14.99
  • High strength, low weight
  • Carbon fibre and metal teeth
  • For version 2 & version 3 gearbox

FPS Softair brings you a high-quality piston with a carbon fibre-reinforced technopolymer body and a full rack of steel teeth for a good combination of high strength and low weight. This is compatible with Tokyo Marui-style Version 2 and Version 3 gearboxes.

This Superlight piston reduces friction for an increased rate of fire, in addition to the overall reliability of your rifle. The sliding guides are designed to minimize friction and retain the lubricant for a long period of time and the rack seat is decentralized to favour the coupling between the piston teeth and those of the sector gear.

£7.99
  • Piston, piston head & O-ring
  • For version 2 & version 3 gearbox
  • Full steel tooth rack - Very strong

If you are looking for a replacement piston on the cheap with no performance compromises, CYMA to the rescue! The CYMA Steel Tooth Piston Set w/Piston Head includes the piston itself, a piston head and a piston head O-ring. The piston has a full 15-tooth rack of steel teeth, improving strength while keeping overall weight manageable, making it great for high performance builds. The set is designed for version 2 and version 3 gearboxes and will be provided in a random colour; either blue or green.

£19.99
  • High strength, low weight
  • Polymer body and metal teeth
  • For TM NGRS M4 variants only

FPS Softair brings you a super high quality M4 piston with a technopolymer body and a full rack of steel teeth for a good combination of high strength and low weight. This is compatible with Tokyo Marui NGRS M4 gearboxes, aka the Version 9 gearbox. Please note, this piston is not compatible with the TM NGRS SCAR-L or SCAR-H. 

The loaded technopolymer assures great mechanical resistance and dimensional precision. The rack was manufactured through the use of MIM (Metal Injection Moulding) technology since this production process guarantees dimensional accuracy and sturdiness equal to those of solid machining.

Currently considered the best for this type of use, the metal injected is SAE 4650 steel. The sliding guides are designed to minimize friction and hold the lubricant for a long period of time, so you can be safe in the knowledge that your AEG will have reliable and long-lasting cycle functionality.

£69.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£17.99
  • Polymer piston with 4 steel teeth
  • Piston head with O-ring pre-installed
  • Compatible with V2 gearbox M4/AR-15 AEG

If you have stripped your piston and need a replacement, here ya go! The KRYTAC Piston & Piston Head Assembly V2 for M4/AR-15 AEG is a replacement original parts set including a polymer piston with a 4-tooth steel rack and a polymer piston head with pre-installed O-ring. The set is designed for the Krytac Trident AEG series but is compatible with M4/AR-15 AEGs equipped with a version 2 gearbox. 

£19.99
  • High strength, low weight
  • Polymer body and metal teeth
  • For Tokyo Marui NGRS SCAR-L/H

FPS Softair brings you the Polymer Piston w/Steel Tooth Rack for Marui NGRS SCAR-L/H, featuring a technopolymer body and a full rack of steel teeth for a good combination of high strength and low weight.

The loaded technopolymer assures great mechanical resistance and dimensional precision. The tooth rack was manufactured through the use of MIM (Metal Injection Moulding) technology since this production process guarantees dimensional accuracy and sturdiness equal to those of solid machining.

The metal injected is SAE 4650 steel, currently considered the best for this type of use. The sliding guides are designed to minimize friction and hold the lubricant for a long period of time, so you can be safe in the knowledge that your TM NGRS SCAR will have reliable and long-lasting functionality.

About Our Airsoft Pistons

From increased strength and durability to improved angle of engagement, our huge range of airsoft pistons is the best place to start if you’re looking for an upgrade. Only stocking the best brands in the business, explore pistons from ASG, Modify and more.

The piston in an airsoft electric gun is the driving force behind the air required to launch the BB out of the barrel. It meshes with the teeth on the gears to travel backwards, compressing the spring which in turn launches the piston forward to compress the air in the cylinder and force the BB out of the barrel. 

Your AEG piston is under heavy use every time the gearbox cycles, so it needs to be made from a tough material to last for the tens of thousands of shots you would expect out of an AEG. Though not essential, having a robust material like steel teeth or a steel rack on the piston helps to ensure long-lasting performance. 

Explore our airsoft pistons online today or explore our wider range of AEG internal parts