These Kirin Springs are replacement and upgrade main springs for the Shellington Labs X Phantom Tech Kirin Blaster, allowing you to tune the performance of your shell-ejecting, bolt-action springer.
FEATURES: • Kirin Springs • Tune the FPS of your shell-ejecting, bolt-action blaster • Squared/flat on at least one end • First-Party 2.3mm spring boosts performance up to 300 FPS!
INCLUDES: • 1 Kirin Spring of your choice
PERFORMANCE: Average FPS (Standard Deviation) • 289 (8) FPS with 2.3 x 230mm upgrade spring and 500mm barrel
SPECS: • Material: Spring-tempered steel • Type: Compression • Dimensions: Spring Gauge: 1.5-2.3mm Length: 230mm (9in) Outer Diameter: 19-25mm Coils: varies • Squared: At least one end
