Blasters3D YD Glow in the Dark Tracer Unit for Nerf Pro GelFire Blaster - Works with Legion, Mythic, X MrBeast - Mock Silencer Suppressor - Simulate Muzzle Flash Porter Cable This replacement battery cover substitute

This replacement battery cover substitute the original battery cover without having to take the gel blaster apart

Nerf Pro Gelfire X MrBeast Full Auto Blaster:

Bring a touch of the grassy arena to your fast lane with this Soccer Ball Shift Knob

This Blasters3D product is a top Picatinny rail for the Zombie Strike FlipFury toy blaster

You will need four #4-40x0

Blasters3D YD Glow in the Dark Tracer Unit for Nerf Pro GelFire Blaster - Works with Legion, Mythic, X MrBeast - Mock Silencer Suppressor - Simulate Muzzle Flash Porter Cable This replacement battery cover substituteOuter Diameter: 40. 8mm This Blasters3D product is a muzzle flash simulator and tracer unit that is attachable to your Nerf Pro GelFire blaster. The tracer unit emits flashing light when projectiles passes through, simulating muzzle flash when you fire. The flashing light also charges glow in the dark darts as they pass through. The device turns off automatically after 2 minutes of inactivity. Your Nerf blaster must have a GelFire barrel mount to use