These Battle Axe Springs are various replacement main springs, offering a range of FPS options for the Sillybutts Battle Axe pump-action shell-ejecting blaster. 

FEATURES:
• Battle Axe Springs
• Squared/flat on at least one end for easier install
• Tune the FPS of your Battle Axe

INCLUDES: 
• 1 Battle Axe Spring of your choice

PERFORMANCE:
Average FPS (Standard Deviation) with the Elite 1x Silly Shell
• 102 (3) FPS with HIGH 2.0 x 150mm (24mm OD)

SPECS
• Material: USA-made spring-tempered steel
• Type Compression
• Dimensions:
     Spring Gauge: 2.0-2.3mm
     Length: 140-150mm
     Outer Diameter: 19-25mm
     Coils: varies
• Squared: Both Ends

LINKS:
• More Battle Axe Mods + Accessories
• More Springs