Revolver X4s%

BAK Revolver X4s Truck Bed Cover

Year: Year
Make: Make
Model: Model
Starting At*: $959

To Learn More about our truck bed covers, check out our BAK Finish Fundamentals.



America’s #1 selling hard rolling cover, the Revolver X4s, has new features, including matte black aluminum underbody, integrated safety slat caps, rear corner caps, and more. Other Revolver X4s features include industrial-grade vinyl and matte finished seals and side rail extrusions.  

EXPECT MORE with Revolver X4s: 

  • NEW Matte black aluminum under body and clamps for a sleek, stylish appearance 
  • NEW Side rail seals with smooth flat design 
  • NEW Durable strap and buckles to secure the open cover while driving 
  • NEW Rear corner caps for a more modern appearance 
  • NEW Integrated bulkhead seal for superior sealing 
  • NEW Integrated safety slat caps for protection when rolling 
  • Matte finished, industrial-grade vinyl that keeps water out 
  • Full access to stake pocket holes for additional accessories 
  • Patented rotational locking rails that secure the full length of the bed 
  • Automatic latch secures easily and releases from either side of the bed 
  • 5-year warranty 


The Revolver X4s is a bed cover engineered for real-world durability with a modern, stylish appearance. It has top-to-bottom, matte-black finishes to every aspect of the truck bed cover paired with one-of-a-kind details that set it above the rest. It a premium option that offers dependable bed protection when cover is closed, and complete bed access when opened. The Revolver X4s has a flush appearance and is backed by a 5-year warranty.  


Please make use of the Revolver X4s Hard Rolling Tonneau Covers installation instructions below to assist you with the installation of your Revolver X4s Hard Rolling Tonneau Covers. 


Supplemental Sheets

If you need additional install sheets for your specific Make please see below.  

If you have further questions or need technical assistance with the install of any Revolver X2 truck bed cover, please call one of our knowledgable installation experts at 818-365-9000 or Contact Us and we will be happy to assist you.


BAK® Industries (“BAK”) warrants your Revolver X4s hard rolling truck bed cover to be structurally free from defects in material and workmanship for 5 Year Limited Warranty period from the retail date of purchase.

Warranty registration must be on file and/or proof of original purchase (detailed and dated receipt) is required for warranty service. Warranty is nontransferable and applies to the original purchaser of the BAK product only. 

To see how to care for your Revolver X4s visit our Care & Maintenance page for more information. 

Sleek, Low-Profile Design

Revolver X4s sits flush with your bed rail providing a low profile look that complements your truck

All Matte Black

Top-to-bottom, matte-black finishes make this cover a stylish option. Its black aluminum underbody sets this cover apart from the rest

Safety Caps

Integrated safety slat caps for protection when rolling


9 Total
EVERETT B. 2019 Nissan Frontier
1 April 2021
Very good product
On Revolver X4s 04-13 Silv/Sierra 5'9"
Jason L. 2018 GMC Sierra 2500 HD
26 March 2021
Great cover and really easy to install. A++
On Revolver X4s 04-13 Silv/Sierra 5'9"
Bill C. 2021 Ford F-150
16 March 2021
Looks great on the truck. Low profile, secure and keeps the weather out. Love it!!!
On Revolver X4s 04-13 Silv/Sierra 5'9"
Eric B. 2020 GMC Sierra 2500 HD
14 March 2021
Excellent product
On Revolver X4s 04-13 Silv/Sierra 5'9"
John B. 2016 Ram 1500
2 March 2021
Great product easy to install!!!
On Revolver X4s 04-13 Silv/Sierra 5'9"
J. Douglas L. 2021 Ford F-150
21 March 2021
Very satisfied!! This is my 3 rd truck to have a Bak truck bed cover.
On Revolver X4s 04-13 Silv/Sierra 5'9"
James H. 2021 Chevrolet Silverado 2500 HD
30 March 2021
Like the appearance of the BAK X4s!
On Revolver X4s 04-13 Silv/Sierra 5'9"
Olen B. 2019 Ram 1500
26 March 2021
this is the fifth bak cover i have purchased
On Revolver X4s 04-13 Silv/Sierra 5'9"
Daniel L. 2016 Ram 1500
10 April 2021
Fit was not perfect. Had to do bit more work to get it to latch than I should have had to do.
On Revolver X4s 04-13 Silv/Sierra 5'9"