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The RetroArms CNC Piston NGRS Nylon GF30 is a reinforced upgrade piston designed for Tokyo Marui NGRS airsoft platforms.Manufactured from high-strength Nylon reinforced with 30% glass fiber (GF30), it offers an excellent balance between low weight, durability, and wear resistance for demanding build..

Material: PolymerRETRO ARMS..

Prometheus High Cycle Hard PistonThe Prometheus High Cycle Hard Piston is optimized for high rates of fire and improved response while upping the metal teeth from one to seven metal teeth. The front seven teeth and sector gear are subjected to the greatest load and stress, in addition to a..

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Prometheus Hard Piston ●Friction, wear, impact, and heat resistant ●Can be used with high stress or high cycle custom builds The piston is essential to your overall compression unit and is the point of contact between your gears and the compression parts. Our hard piston is strenthened and li..

The type of metal injected is SAE 4650 + HRC38-42 hardening treatment which is currently considered the best material on the market for this type of use.The sliding guides are designed to minimize friction and retain the lubricant for a long period of time.The rack seat is decentralized to favor the..

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FPS is proud to present the first ZERO-SHOCK piston with 100% Made in Italy technopolymer body and full metal teeth.This system patented by Fps allows to attenuate the stresses that rack transmits to piston body and it makes the assembly enormously more resistant and reliable than a normal piston.Fo..