Gear-box components

The piston head designed for the most demanding DSG and speed builds, helping achieve the best results and overcome limits. Thanks to the use of 10 vents, airflow significantly increases improving sealing. The ultra-lightweight POM material together with CNC machining ensures repeatability of shots,..

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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..

Viton O-RING seal for piston head (ORTP)100% MADE IN ITALY..

Upgrade your plastic spring guide to the FPS Version 3 Ergal Ball Bearing Spring Guide (GM3E).Plastic spring guides can break easily, especially on upgraded guns.If you want your airsoft gun to outshine the competition, you absolutely need a metal spring guide.The ball bearings on this model are esp..

Quick change spring guide for VFC avalon gearboxes. Replacement for v2 gearboxes..

Upgrade your plastic spring guide to the FPS Version 2 Ergal Ball Bearing Spring Guide with round pins (GM2EPT).Plastic spring guides can break easily, especially on upgraded guns.If you want your airsoft gun to outshine the competition, you absolutely need a metal spring guide.The ball bearings on ..

Upgrade your plastic spring guide to the FPS Version 2 Ergal Ball Bearing Spring Guide (GM2E).Plastic spring guides can break easily, especially on upgraded guns.If you want your airsoft gun to outshine the competition, you absolutely need a metal spring guide.The ball bearings on this model are esp..

Fps-Softair Ver.2 Gearbox Screws SetSrews x 10, Shims x 10Description: Steel Construction- Screws 3mm x 8mm x 5 pcs- Screws 3mm x 18mm x 5 pcs- Spring Shims x 10Suitable Standard Type Ver.2 Gearbox for Replace.Compatibile with the following types of gearbox:- LONEX- G&P- MODIFY- SYSTEMA- CLASSIC..

FPS tune up kit for AK47/AK74 (KITAK47P3).This tune up kit includes:- POM Air Nozzle with or for AK47/74 (SPAKP)- FPS Cylinder Head for Version 3 GEAR BOX (TC03E)- CNC ERGAL Double O-Ring Ball Bearing AEG Piston Head Advanced Type (TPAVN)This product increases the performances of your AEG.100% MARUI..