SINAIRSOFT 13:1 Super High Speed Gear 15 Teeth Cylinder Piston Head Spring Guide

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13:1 Gear Set (bevel, spur, and sector gear)
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Super High Speed Gear Full Tune-Up Set for AK AEG
features 1
Design for Replace the Original Gear Set

13:1 Super High Speed Gear 15 Teeth Piston Cylinder Piston Head Spring Guide Nozzle Tune-Up Set for AK series Airsoft AEG/GBB


Super High Speed Gear Full  Tune-Up Set for AK AEG 

 Design for Replace the  Original Gear Set  

This Tune-Up Set is the  substantial high-cost performance gear set  

 Package included: 

13:1    Gear Set (bevel, spur, and sector gear) 

Piston (15   Teeth Version, Full Steel Teeth) 

Piston Head (CNC aluminum with Ball Bearing) 

Cylinder Head 

Air Nozzle (AK Series) 

Spring Guide (Aluminum/steel  with Ball Bearing Ver.3) 


Suitable for AK Series    Airsoft Electric Gun AEG Rifle GearBox

Total Weight:    160g about

User should apply proper  lubrication when installing the gears set, as always, upgrading AEG  requires necessary skill & technique to dissemble  the gearbox, consult expertise if needed





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Color Mismatch
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Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).