Rifle Accessory - Valken Battle Machine Main Spring M140

Valken Battle Machine Main Spring M140 – Rifle Accessory

Maximize your AEG’s power with the Valken Battle Machine Main Spring M140. Designed for high-velocity builds, this robust spring delivers increased FPS and consistent shot performance for players seeking an edge in competitive play.

Features:

• Genuine Valken Battle Machine upgrade spring

• M140 rating for approximately 400+ FPS (with 0.20g BBs)*

• Provides strong, reliable compression for high power output

• Durable steel construction for extended use

• Compatible with most standard AEG gearboxes