This rail set adds Picatinny rails to both the right and left sides of your blaster. This install is non-permanent and includes all hardware.  This kit will replace the logo plates on the side of the Dart Zone Pro Mk3 and replace them with Picatinny for attachments such as flashlights. Also, Luke just likes the look of them.  

*Not compatible with Tri-Mag Adapters.

*Note; Bolt pattern on rail is now symmetrical (photo is of pre-production)