These upgrade spring and metal barrels are for the raptor blaster.

Greatly level up the performance, durability and shooting range of the raptor foam dart blaster.

Specifications:

Spring material: piano wire.

Spring type: 16kg.

Barrel material: bronze.

Plunger material: bronze.

Barrel length: 127mm; 145mm; 160mm.

Package includes: 1x raptor nerf blaster upgrade parts.

XS908 Raptor Blaster Upgrade Parts Installation Guide Video