NOTES FROM LUKE: Consider the Nerf NX Rough Cut Upgrade Spring to give you optimal velocity for your Rough Cut Blaster. Offering 6kg mass that improves your range and velocity by about 30%. Contains 2x springs for the mod.
FEATURES: -Compatible with Nerf XD Rough Cut Blaster
SPECS: -Equivalent mass of spring: 6kg -Firing range increase: About 30% - Muzzle velocity increase About 30% -Difficulty level of spring installation: Moderate