Bak Industries 79131 Tonneau Cover

Part Number
Revolver X4 Hard Rolling Truck Bed Cover; Black; Vinyl Top w/ Aluminum Underside; Matte Black Finish

Fits: 19-21 Chevrolet Silverado 1500, 19-21 GMC Sierra 1500

Out of stock
Free Shipping
Free Shipping
Introducing the BAK Revolver X4, featuring the same great features of the Revolver X2, now with a stylish matte black finish. When closed, heavy-duty aluminum slats secure the cover the full length of the bed on both sides, providing unrivaled strength and security. When opened, the cover rolls up tight providing full bed access without blocking rear view mirror and third brake light visibility.

BRAND: Bak Industries


  • Revolver X4 19-21 (New Body Style) Silv/Sierra 1500 6ft.7in.
  • Revolver X4 Hard Rolling Truck Bed Cover-2019-2021 (New Body Style) Chevy Silverado/GMC Sierra 1500 6ft. 7in. Bed
  • 2019-2021 Chevrolet Silverado 1500 79.4 Bed; 2019-2021 GMC Sierra 1500 79.4 Bed
  • Patented Locking Rails Cover The Full Length Of The Bed
  • Sleek - Low Profile Design
  • RX4 19-21 GM1500 6ft.7
  • Before purchase please verify if you have New Body Style or Legacy (Chevy)/Limited (GMC) on 2019 Silverado/Sierra 1500-This part is for the New Body Style
  • Matte Finish Industrial-Grade Vinyl
  • Heavy Duty Aluminum Slats
  • Rolls Tight For 100 Percent Bed Access


Actual ColorBlack
Front OpeningNo
Full Bed AccessYes
Install Time30 Minutes
Key LockableNo
Low ProfileYes
MaterialVinyl Top w/ Aluminum Underside
Rails To InstallYes
Sits on Truck Rails No
StyleRoll-Up Hard Cover
TitleBAK RX4 19-21 GM1500 6'7 79131
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageCancer and Reproductive
Works w/ToolboxNo

Black; Vinyl Top w/ Aluminum Underside; Matte Black Finish




  • 2019-2021 GMC Sierra 1500
  • 2019-2021 Chevrolet Silverado 1500
Customer Questions
No Questions
Please, mind that only logged in users can submit questions

Compatible Vehicles

Copyright © 2013-present PartsHawk, LLC. All rights reserved.