SHS M140 M150 M160 M170, M190 Upgrade Spring for Airsoft

Description

Description:
The SHS M140, M150, M160, M170 and M190 Upgrade Springs are an excellent alternative to the other springs currently available on the market. It can be used in almost any AEG gearbox and is made of steel piano wire for enhanced durability, reliability and longevity. Upgrading your gearbox with this spring will increase FPS from 430-600, results may vary. It is suggested to check your gearbox to make sure the supporting parts can handle the strength of this spring.
Specifications:
Manufacturer: SHS
Model: Upgrade Piano Wire AEG Spring
Color: Silver
Material: Metal
Features:
Metal Construction
Compatible in any AEG airsoft gun gearboxes
Please Note:
Professional installation is recommended. Improper use or installation of upgrade parts are 99% of the time the cause of failures of these items.
Please thoroughly inspect any parts for defects before attempting installation. Due to the high possibility of damage from improper installation, we will not warranty parts after attempting installation.
Package contents included by the manufacturer may vary
Please check the fps table below to make sure which spring is fit your need.
M140 : 430-450fps
M150: 450-500fps
M160: 500- 520fps
M170: 530-550fps
M190: 560-600fps