To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.
Error submitting comment. Please try again momentarily.
The Revolver X4s combines the strength of a hard cover with the ease of a roll-up. Beneath the tough vinyl top are 1/4" thick aluminum slats that can support up to 400 lbs of evenly distributed weight. When closed, the latching system runs the full length of the rails, locking automatically at the tailgate to keep tools and gear protected from weather and theft. Rubber seals and beveled edges help divert water away without the need for drain tubes, so cargo stays dry through rain or car washes.


When it’s time to haul large items, just drop the tailgate, pull the release cord, and roll the cover forward. Nylon straps with sturdy buckles hold it in place behind the cab, leaving the full bed open for bulky cargo. The low-profile design mounts inside the bed rails, so stake pockets and tie-downs stay accessible for racks or anchors.





This hybrid cover is built for daily use and all-weather reliability. The aircraft-grade aluminum slats are wrapped in double-coated, reinforced matte black vinyl that resists UV rays, impacts, and tears. Felt strips protect the finish when rolled up and make handling comfortable in hot or cold conditions. It’s a clean, flush-fit setup that looks sharp while taking years of work and weather in stride.


Installation is straightforward with clamp-on rails—no drilling needed. Pre-installed shims and adjustable brackets help align everything snugly on the first try. Once installed, operation is easy from either side with pinch levers that let you open or close it by hand. Close the tailgate, press down on the rear slat, and it locks automatically—no snaps or Velcro to deal with.

Sitting just 1-1/2" above the bed rails, the Revolver X4s has a flush appearance that keeps a clean line from cab to tailgate. The matte black finish carries across every component for a consistent look that matches modern trucks, whether used alone or alongside ladder racks or overland gear setups.


Ratings & Reviews

David
8/15/2023
After a year my cover remains strong, rolls and locks just fine. I was worried it might slip out of adjustment, but it has been flawless. Definitely was a good purchase.

Kevin H.
8/15/2023
Great functionality and super sharp looking on the bed of my F-350.

Brooke M.
7/25/2025
Lauren is great! So glad she was able to help you with this. The cover looks right at home on your new truck! Thanks for sharing the pics :)

Lazer S.
2/24/2026
Glad to hear you are still happy with it, Todd! These hard roll up covers are definitely nice and durable. What are you keeping in your bed? I have a bunch of survival type gear in a milk crate. Can never be too prepared!

Roger
9/21/2023
I had a second warranty claim in June 2023 due to the same issues. I contacted BAK warranty claims and once again they were quick to respond. I asked them to replace my cover with a BAKFLIP MX4. They agreed and shipped the replacement very quickly. So far the new cover is working fine. Im interested to see how it works in cold and freezing conditions. My personal belief is the BAK Revolver is too heavy when rolled up against the cab on an 8 foot bed. The weight causes it to flex, stressing the hinged ribs. The ribs then start to separate. Im guessing a cover for a shorter bed would not cause the ribs to separate due to less weight when rolled up.

Tim
8/24/2023
My previous review still stands. I have to reposition cover at least once a month. Still love the cover other than that issue. I believe a redesign of the connector would be in order for this product to get 5 stars.

Tim
9/7/2025
Not great anymore… the glued on waterproof liner started peeling up about 1 year into service, the the pivot points on the tool up part started to separate towards the back and now it doesn’t roll back flat or seal properly.


Jerry
9/20/2025
One year later and still doing well. I highly recommend them & would purchase again.


Katrina B.
2/7/2023
Holy wind strength! Luckily this has a 5 year warranty. I will send you more detailed information about contacting BAK in an email.

Katrina B.
2/23/2023
Holy wind strength! Luckily this has a 5 year warranty. I will send you more detailed information about contacting BAK in an email.
Do you have a question about this Tonneau Cover?
Info for this part was:
At etrailer we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.







Brian P.
6/14/2023
The cover has been on my truck for a little over a year now. It looks exactly as it did the day I installed it. By far the best tonneau cover I have ever put on one of my trucks. Also, the roll up is much more convenient than the older tri-fold models I have had before. This thing looks good and is tough as nails. It has not been babied over the last year, but shows no signs of weartear. My one year review is 5 STARS!! I highly recommend this cover!