ZCI Airsoft AEG Upgrade Power-Up Spring M80 M90 M100 M110 M120 M130 M140 M150

Description

Features:
High quality piano-wire steel to increase durability.
Compatible with standard airsoft AEG gear box.
Due to the ZCI naming rules, f
actory packagings got people confused , so we changed to plain zipbag packaging.
Warning: M120 and stronger spring can increase the load of the gearbox. Reinforcements of the gearbox, and High-voltage battery may be required. A standard gearbox designed for a M100 spring could be easily broken by a M150 spring.
We are NOT responsible for any possible damage to the airsoft replica
.
Modification of the airsoft replica is at your own risk
.
Same Business Day Free Shipping from
U
S
A
.
We ship
7 days/week
, yes, including
Sat & Sun
.