BAK Industries 448120 MX4 Hard Folding Cover | 14-18 GM Sierra/Silverado 1500 5.9ft Bed

America’s #1 selling hard folding cover, the BAKFlip MX4, has new features, including matte-finished cab corner caps, rail-end caps, clamps, and elevator bolts for a more streamlined look and feel. Other MX4 features include an enhanced functionality with pre-molded, die-cut, shock-absorbent bumpers and secure prop rod clips.