FPS Airsoft Gearbox Zero-Shock Technopolymer Piston Full Metal Teeth Rack

FPS Airsoft Gearbox Zero-Shock Carbon Fibre Technopolymer Piston Full Metal Teeth Rack

FPS is proud to present the first ZERO-SHOCK piston with 100% Made in Italy carbon fibre techno polymer body and full metal teeth.

This system patented by Fps allows to attenuate the stresses that the rack transmits to the piston body and it makes the assembly enormously more resistant and reliable than a normal piston.

For the material of the piston was chosen a carbon fibre reinforced techno polymer with added elastomer with high mechanical performances and a very low friction coefficient.

The rack has been manufactured using MIM (Metal Injection Molding) technology because this production process guarantees dimensional precision and strength equal to those of solid machining.

The rack is presented with the second missing tooth and with the third already lowered by 3 tenths of a millimetre because this configuration predisposes the piston itself for a correct angle of engagement (AOE) and makes it suitable for high speed.

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 favour the coupling between the piston teeth and those of the sector gear.

The longitudinal reinforcements at the sides of the teeth increase the robustness of the piston and avoid contact of the rack with the inner wall of the cylinder.

Special ribs decrease the contact surface between the spring and the internal part of the piston body and consequently also the friction between metal and techno polymer is decreased during contraction and elongation due to the firing cycle.

100% MADE IN ITALY

100% COMPATIBLE MARUI

Same Day Dispatch on All Orders Placed Before 3pm Monday – Friday

For Airsoft Use Only, cannot be Modified for any other Purpose

Bullseye Country Sport

Your No 1 Outdoor Hobby Store

Footwear, Field Sports, Camping Equipment and more

Always On Target