Mad Bull AEG Main Spring M130

Upgraded Main Spring

Description

Mad Bull AEG Main Spring M130

Main AEG Spring made from high-quality steel, this baby’ll up your FPS to around 120 m/s or 420FPS w .20g. Sweet.

Additional information

Weight .25 lbs
Dimensions 0.0 × 0.0 × 0.0 in
Manufacturer Name

Manufacturer Part Number

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