WORKER Mod 7KG Modification Upgrade Spring for NERF N-Strike Elite Rampage 7KG Modification Upgrade spring For NERF N-STRIKE ELITE RAMPAGE 100% new brand and high quality Make your NERF N-STRIKE ELITE RAMPAGE more powerful with this upgrade spring Please make sure the spring fit NERF N-STRIKE ELITE RAMPAGE before you place an order Blaster not included.