M90 Variable Pitch Spring for AEG – SHS

SHS M90 spring in chrome-plated steel, with variable pitch, for electric rifle gearboxes. It works with both ball bearing and conventional piston heads and is a practical replacement for a fatigued spring.

Features and technical specifications

• Manufacturer: SHS
• Manufacturer code: TH1011
• Model: M90
• Type: variable pitch spring for electric rifles (AEG)
• Material: chrome-plated steel
• Piston heads: for ball bearing and non-bearing piston heads

How it works

In a variable pitch spring the distance between the coils is not constant, so compression is more progressive than with a regular pitch spring.

Installation

The actual power output depends on the air seal, the inner barrel and the hop-up of the individual replica: always check it with a chronograph after replacing the spring.