DiamondBack HD - Chevy Silverado 1500 2019–up Chevy S-10 Getting into your GMC’s bed

Getting into your GMC’s bed will never be the same

The DiamondBack Rear Extension allows you to haul those bigger machines like 2-up ATVs and side-by-sides on a full-size standard short-bed truck

Conquer the slopes with confidence

and the HindSight™ tuck-away cover keeps your backup camera view clear

T-slot attachments make adding Yakima gear mounts and accessories fast and simple

DiamondBack HD - Chevy Silverado 1500 2019–up Chevy S-10 Getting into your GMC’s bedThe Ultimate Heavy Duty Bed Cover. Theft proof, weatherproof, and able to haul 1600 LBS on top, the DiamondBack HD transforms your truck bed into the ultimate platform for adventure or to get things done while keeping your stuff safe and dry on the side of the road less traveled.