Dial in the punch on your Worker Harrier or Seagull with a spring upgrade. Changing the main spring lets you tune muzzle velocity to match your field's FPS cap and your playstyle — more range for outdoor skirmishes, or a softer setup for indoor and close-quarters games here in Singapore. Worker springs are built solid for repeatable, shot-to-shot performance in competitive play. Features: Multiple spring rates to choose from — customise the FPS on your Worker Harrier or Seagull to hit your field's velocity cap Upgrade catch spring included — keeps the plunger catch holding reliably when you run a heavier main spring Solid, competition-proven construction — consistent performance round after round Specifications: Brand: Worker Compatibility: Worker Harrier, Worker Seagull Type: Upgrade spring (main spring + catch spring) Spring options: Harrier 1.6mm × 300mm, Harrier 1.6mm × 250mm, Seagull 1.5mm × 280mm Included: 1x Main spring (selected size) 1x Upgrade catch spring Licensed Retailer: Ideal Foam Blaster (IFB) is an authorized retailer for Worker products.
