Why Some Tonneau Covers Struggle with GMC Bed Accessories
GMC owners rarely leave their beds stock. Between drop-in liners, spray-in liners, over-rail caps, cargo rails, toolboxes, bed rails, and bed extenders, your truck bed can be crowded long before a cover enters the picture. When a cover isn’t engineered to work with those accessories, the result is poor fit, blocked features, or even drilling you didn’t plan on.
A well-chosen...