Installing Reese Universal 10 Bolt Base Rails in 2015 GMC Sierra 2500 6-1/2 FT Bed

Helpful Expert Reply:

When it comes to installing the Reese Universal Base Rails, # RP58058, in your 2015 GMC Sierra 3500 with 6-1/2' bed, these rails will install in the same location as they did in your 2011 GMC Sierra 2500 with 6-1/2' bed. Since the mounting hardware is designed for one time use, you will just need Bracket and Hardware Kit, # RP30439, to make the switch from your previous truck.

I have attached installation instructions for you.