Upgrade your NERF Modulus Longstrike Blaster with this high-quality spring mod! Made of sturdy piano steel, this 7kg or 9kg upgrade will give your blaster a powerful boost. Package includes nerf jolt blaster upgrade spring mod with o-ring for easy installation. Dominate the battlefield with increased range and accuracy.

Specifications:

Material: piano steel

Type: 7kg (recommend) / 9kg

Package includes: 1x nerf longstrike modulus blaster upgrade spring mod with o-ring