- Standard Motor Complete Upgrade Gearbox (for S&T T21 Professional Series AEG Rifles)- Made of Metal.- Quick Change Spring System.- High Strength Metal Alloy Shell.- Ported Brass Cylinder.- Steel Bushing.- Heavy Duty Fuse.- Comes with Standard Motor.- Suitable for S&T T21 Series Airsoft AEG.- A complete drop-in gearbox solution for those looking for a powerful, durable, and yet economical complete full metal gearbox. - Weight - Approx. 819g (with motor)- Original Packing

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- CNC Aluminum Gearbox Shell (Compatible with CLASSIC ARMY A&K M249 Series Airsoft Rifles)- CNC Machined Aluminum Construction.- 8mm Bearings.- Quick Detachable Bearing Spring Guide included.- Suitable for CLASSIC ARMY / A&K M249 Series AEG Rifles.- Weight - Approx. 440g- Original Packing

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- BATTLEAXE Version 2 V2 Gearbox Shell for Tokyo Marui Series Electric Gun Rifles Airsoft Gun- Full metal construction.- Screws not included.- Suitable for Tokyo Marui V2 AEG Rifles.- Color - Silver- Weight - Approximately 248g- Original packaging

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- CYMA Platinum Series EFCS Version ECU High Torque Motor QD Version 2 V2 Gearbox for MP5 Series Electric Guns - Made of aluminum zinc alloy. - Complete assembled gearbox. - CNC Aluminum Cylinder. - CNC Aluminum Piston Head. - CNC Gears. - Quick-change spring system allows for easy spring replacement without disassembling the receiver. - Pre-built at the factory to ensure industry-leading QC and parts quality. - 8mm ball bearings for long life and performance. - Onboard electronic trigger (electronic control unit ECU). - With low resistance silver plated wire. - Suitable for CYMA Tokyo Marui MP5 AEG rifles. - Weight - Approximately 690g - Original packaging.

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- CYMA Platinum Series High-Speed Motor QD Version 2 V2 Gearbox M4 M16 Series AEG Rifle Airsoft - Made of Aluminum Zinc Alloy. - Complete assembled gearbox. - CNC Aluminum Cylinder. - CNC Aluminum Piston Head. - 8mm Version 2 gearbox shell with molded rounded cylinder window and reinforcement. - High-Speed Neodymium Magnet Motor. - Quick change spring system allows easy spring changes without disassembling the receiver. - Pre-built from the factory to ensure industry-leading QC and parts quality. - 8mm ball bearings for long life and performance. - With low resistance silver coated wiring. - Suitable for standard Tokyo Marui spec version 2 gearbox parts and upgrades. - Compatible with most Version 2 AEGs. QBS system may not be compatible with all receiver types. - Weight - Approx. 676g - Original Packing.

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- CYMA Platinum Series EFCS Version ECU Standard Motor QD Version 2 V2 Gearbox for M4 M16 Series AEG Rifles Airsoft - Made of Aluminum Zinc Alloy. - Complete assembled gearbox. - CNC Aluminum Cylinder. - CNC Aluminum Piston Head. - 8mm Version 2 Gearbox Shell with molded rounded cylinder window and reinforcements. - Standard Neodymium Magnet Motor. - Quick change spring system allows for easy spring changes without disassembling the receiver. - Pre-built from the factory to ensure industry-leading QC and parts quality. - 8mm Ball Bearings for long life and performance. - On-board electronic trigger (Electronic Control Unit ECU). - With low resistance silver coated wiring. - Suitable for standard Tokyo Marui spec Version 2 gearbox parts and upgrades. - Compatible with most Version 2 AEGs. QBS system may not be compatible with all receiver types. - Weight - Approx. 695g - Original Packing.

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- CYMA Platinum Series EFCS Version ECU High Torque Motor QD Version 2 V2 Gearbox for M4 M16 Series AEG Rifles Airsoft- Made of Aluminum Zinc Alloy.- Complete assembled gearbox.- CNC Aluminum Cylinder.- CNC Aluminum Piston Head.- 8mm Version 2 gearbox shell with molded rounded cylinder window and reinforcements.- High Torque Neodymium Magnet Motor.- Quick Change Spring system allows for easy spring changes without disassembling the receiver.- Pre-built from the factory to ensure industry-leading QC and parts quality.- 8mm Ball Bearings for long life and performance.- Onboard Electronic Trigger (Electronic Control Unit ECU).- With low resistance silver-plated wiring.- Suitable for standard Tokyo Marui spec Version 2 gearbox parts and upgrades.- Compatible with most Version 2 AEGs. QBS system may not be compatible with all receiver types. - Weight - Approx. 655g- Original packing.

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- CYMA Complete Gearbox with Motor for CYMA CM099 VSS VINTOREZ Russian Series AEG Rifle- Made of Metal. - Comes with Motor. - Designed for CYMA CM099 VSS VINTOREZ Russian AEG Rifle. - Weight - Approx. 696g (with motor) - Original Packing.

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- CYMA Platinum Series EFCS Version ECU High Torque Motor Version 2 V2 Gearbox M4 M16 Series AEG Rifle Airsoft- Made of Aluminum - Zinc Alloy. - Complete assembled gearbox. - Short stroke steel SHS gears and full metal rack piston. - CNC Aluminum cylinder. - CNC Aluminum piston head. - 8mm V2 Gearbox shell features molded radius cylinder windows and reinforcement. - High torque neodymium magnet motor (capable of 26 RPS with 11.1v LiPo battery). - Quick change spring system allows for easy spring changes without disassembling the receiver. - Pre-built from the factory to ensure industry-leading QC and parts quality. - 8mm ball bearing for long service life and performance. - On-board electronic trigger (Electronic Circuit Unit ECU). - Rear wired with low resistance silver coated wiring. - Estimated FPS is between 350-400 FPS (individual parts and builds will affect FPS output). - Suitable for CYMA Platinum Series EFCS Version V2 M4 M16 AEG Rifle. - Compatible with standard Tokyo Marui spec v2 gearbox parts and upgrades. - Compatible with most V2 AEGs, however, the QBS system may not be compatible with all receiver types. - Weight - Approx. 653g - Original Packing

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- CYMA Platinum Series ETU Complete Version 3 V3 Gearbox with Motor for CYMA MP5 PDW SMG9 Series AEG Rifle Airsoft Gun- Made out of Aluminum - Zinc Alloy.- Complete Assembled Gearbox.- Short stroke steel SHS gears & Full Metal Rack Piston.- CNC Aluminum Cylinder.- CNC Aluminum Piston Head.- 8mm Gearbox shell with molded rounded cylinder window and reinforcement.- Quick change spring system allows for easy spring changes without disassembling the receiver.- 8mm Ball Bearing for long life and performance.- Electronic Trigger Unit.- Low resistance silver coated wiring, wired to the rear.- Suitable for CYMA Platinum Series MP5 PDW SMG9 AEG Rifle.- Weight - Approx 696g- Original Packing

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- GOLDEN EAGLE Original Complete Gearbox for S&T JG GOLDEN EAGLE M240 LMG Series AEG Airsoft Rifles- Metal construction.- Compatible with S&T / JG GOLDEN EAGLE M240 LMG AEG Rifles.- Original packaging.

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- QD Quick Change Spring System Reinforced 8mm Gearbox Shell for A&K AR M4 M16 Series AEG Rifles Airsoft Gun Front Wired- Full metal construction.- Micro switch trigger.- Front wired.- Suitable for A&K AR M4 M16 series AEG.- Color - Silver- Weight - Approx. 363g- Original Package

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- CYMA Platinum Series Complete QD Version 3 V3 Gearbox with Neodymium Magnet High-Speed Motor for CYMA Platinum Series AK Alfa Series AEG Rifles Airsoft- Reinforced Metal.- Fully assembled gearbox.- Onboard electronic trigger.- CNC aluminum cylinder and cylinder head.- Full steel gears and piston teeth.- CNC steel gears.- 8mm bushings.- Low-resistance wire.- High-speed motor with neodymium magnet.- 8mm gearbox shell with molded radius cylinder window and reinforcement.- Quick change spring system allows for easy spring replacement without disassembling the receiver.- Designed for CYMA CM103 AK Alfa series AEGs.- Fits CYMA Platinum Series AK Alfa AEGs.- Compatible with standard Tokyo Marui V3 AK AEGs.- Weight - Approx. 645g- Original packaging

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- CYMA Platinum Series Complete QD Version 3 V3 Gearbox with High Speed Motor for CYMA Platinum Series AK Alfa Series AEG Rifles- Reinforced metal construction.- Fully assembled gearbox.- On-board electronic trigger.- CNC aluminum cylinder and cylinder head.- Full steel gears and piston teeth.- 8mm bushings.- Low resistance wiring.- High speed motor.- 8mm gearbox shell with molded radius cylinder window and reinforcement.- Quick change spring system allows for easy spring replacement without disassembling the receiver.- Designed for CYMA CM103 AK Alfa series electric airsoft rifles.- Fits CYMA Platinum Series AK Alfa electric airsoft rifles.- Compatible with standard Tokyo Marui V3 AK electric airsoft guns.- Weight - Approx. 627g- Original packaging

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- CYMA CNC Aluminum 8mm QD Gearbox Shell for CYMA Platinum Series SR25 QBS Series AEG Rifles Airsoft Guns- Made of CNC 6061 Aluminum.- 8mm QD gearbox shell.- Screws included.- Compatible with CYMA CM098 SR25 series AEGs.- Color - Red- Weight - Approx. 141g- Original packaging

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- CYMA CNC Aluminum 8mm QD Gearbox Shell for CYMA Platinum Series M4 QBS Series AEG Rifle Airsoft- Made of CNC 6061 Aluminum. - 8mm QD Gearbox Shell. - Screws included. - Suitable for CYMA CM097 M4 Series AEG. - Color - Blue - Weight - Approx. 123g - Original Packaging

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- ARMY FORCE 8mm Complete QD Version 2 V2 Gearbox Fits Jing Gong JG M4 M16 Series AEG Rifle Airsoft Gun Front Wired - "QD Transform" Gearbox is the new generation gearbox combining all the uniqueness and excellent features from STAR / ARES (QR gearbox) and Deepfire gearbox (micro-switch). - This gearbox comes with a unique shell, spring guide, selector plate, cut-off lever, and trigger, while other parts are compatible with regular AEG Version 2 8mm M4 gearboxes. - Compatible with JG (Jing Gong) M4 Standard Gearbox. - Version 2 Gearbox with front wire. - Easy Power Upgrade System. - Quick Release Spring & Spring Guide allows for easy power adjustment/spring change. - Micro Switch operation shortens and improves electric range.- Faster Trigger Response design. - "Spring Release" function. - Full Metal Reinforced Chassis/Gearbox, Metal Gear Set. - Weight - Approximately 540g - Original packaging

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- ARMY FORCE 8mm Bearing QD Version 2 V2 Complete Gearbox for M4 M16 Series AEG Rifle Airsoft Front Wired- Version 2 Gearbox with Front Wire.- Easy power upgrade system.- Quick release spring & spring guide for easy power adjustment / spring change.- 2 x 8mm ball bearing, 4 x metal bushing.- Weight - Approx. 500g- Note: Self-installation is required.- Original Packaging

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