The OOD Rush-40 Spring increases the FPS of the Rush-40, increasing its potency in games. This spring is an OOD exclusive and is made of zinc-coated spring steel.

*Also compatible with Hyper Evolve 100

FEATURES: 
• Compatible with Nerf Hyper Rush 40
• Zinc Coated Steel Construction
• Average FPS 138 Standard Deviation 1.6

INCLUDES:
• 1 Rush-40 Spring

PERFORMANCE:
Average FPS (Standard Deviation)
• 138 (2) FPS

SPECS
• Material: USA-made, Zinc-Coated, spring-tempered steel
• Type: Compression Spring
• Dimensions:
     Spring Gauge: 2.0mm
     Length: 143mm
     Diameter: 24.6mm
     Coils: 14
• Squared: Both Ends

LINKS:
• More Springs