Inside every AEG is a gearbox that takes the abuse. Complete shells, gear sets, pistons, cylinders, springs and bushings for V2 and V3, for repairs and for builds that run on 11.1 V.
1297–1320 of 1356 products
In stock at our supplier, delivery in 5–10 working days
ZERO Complete Upgrade Set for CM.703 / CM.707 Gen. 4 — Black
Out of stock, also at our supplier
ULTRA LIGHT Piston with Full Metal Teeth
Out of stock, also at our supplier
Gear shims for 4mm axes 0.2mm (10 pcs)
Out of stock, also at our supplier
Silent Piston Head
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ASG ULTIMATE CZ Scorpion EVO 3 CNC Performance Hop-up Chamber - Black
Out of stock, also at our supplier
SA Polycarbonate Piston with 14 CNC Steel Teeth – Blue
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Washers Hop-Up chamber x gearbox 0.1 mm (3 pcs)
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Progressive ECO Spring MPS150/FPS493
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Progressive ECO Spring MPS140/FPS461
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Progressive ECO Spring MPS100/FPS329
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Hop-up chamber M60 and PKM
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Hop-Up Chamber for ARES CSA vz.58
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ASG ULTIMATE CNC Aluminum Cylinder Head AUG - Blue
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ASG ULTIMATE CNC Aluminum Cylinder Head V3 - Blue
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ASG ULTIMATE CNC Aluminum Cylinder Head V2 - Blue
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SA Steel Ball Bearings – 8 mm
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SA EDGE™ Polycarbonate Piston with 14 Steel Teeth – Blue
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ASG ULTIMATE CNC Steel Cylinder for AEG (451 plus mm) - Black
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HET nozzle for ASG CZ EVO 3A1 - Standard
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Nozzle for ASG EVOIII (AEG) - Sharp edges
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SA Steel Gear Set EDGE™ / CORE™ 18:1
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SA V2 QSC ONE™ Gearbox Shell with 8mm Bearings – Black
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SA AEG Progressive Spring – M90
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CNC Hardened Stainless Steel Cylinder - TYPE C (300 - 400mm)An AEG gearbox turns the motor's rotation into a piston stroke: the motor drives a bevel, spur and sector gear, the sector gear pulls the piston back against the spring, and the piston drives air through the cylinder and nozzle into the BB. Everything in this category is one of those parts or supports them, such as bushings or bearings for the gear axles, the tappet plate that moves the nozzle, the spring guide and the shell itself. Version 2 gearboxes sit in M4, MP5, G3 and SCAR replicas; version 3 in AK, G36 and AUG; V6 and V7 are P90 and M14 designs. Use the gearbox version filter first.
A stripped piston or a cracked shell is the usual reason to open a gearbox. While you are inside, steel gears with a proper shim job, a polycarbonate piston with a metal rack, an aluminium piston head with bearing, a brass cylinder matched to barrel length and a bearing spring guide turn a stock gun into a reliable one. A stronger spring raises energy: M90 to M100 is standard, M110 to M120 for 1.3 J, M130 and up for DMRs where the site allows. Cylinder and barrel should match in volume for efficiency.
A gearbox build needs tools from maintenance, a motor that suits the gear ratio and a MOSFET if you plan to run 11.1 V. Internals are unrestricted parts, and the energy of the finished gun must stay within your country's limit.
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