LH MP9 Tracer Unit Durable Construction: Made with high-quality

Durable Construction: Made with high-quality nylon material for enhanced durability

Ammo type: half-length nerf darts

It comes with the mounting grub screw and adjustment grub screw as well as the required hex key

1x Triangular sight

Whether you're engaging in intense Nerf battles or honing your target practice skills

LH MP9 Tracer Unit Durable Construction: Made with high-qualityThis tracer part is only compatible with the old version of the lehui mp9 gel blaster with blue white shell. The switch on off control is included. Simply connect the wire to the motor according the instruction and it's done! Specifications: brand: sys speedqb. Material: 3d print PLA. Package includes: 1* lehui mp9 tracer unit.