One Picatinny side rail for Nerf Rival Kronos XVIII-500. The part is 3D printed @150 micron layer resolution and attached to the blaster using countersunk stainless steel screws (included).
Please be aware that any modification to the blaster will void the warranty. My3dbase does not take any responsibility and we are not liable for any damage caused by the modification, be it indirect, special or consequential damages.
Blaster and other parts not included, picatinny rail only.