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When you need to keep cargo dry and safe from theft, the Revolver X4s has you covered. Its 1/4" thick, aircraft-grade aluminum slats are wrapped in double-coated, reinforced vinyl for strength and a clean matte black finish. Once latched shut at the tailgate, the cover locks down along both sides with integrated rails that secure automatically when the tailgate is closed. The result is a hard, roll-up cover that can’t be cut through like a soft vinyl one and helps prevent break-ins while keeping out rain and dust.
You don’t have to remove the cover to haul big items. The Revolver X4s rolls up evenly thanks to its rigid aluminum slat design, then secures behind the cab with built-in nylon straps and sturdy buckles. It stays clear of your rear window and still lets you use your bed stake pockets for tie-downs or other accessories. When it’s time to close up again, pinch levers on either side release the latches so you can roll it back out in seconds.
A tonneau doesn’t have to stick out to do its job. The Revolver X4s sits nearly flush—just 1-1/2" above the bed rails—for a sleek, factory-finished look. Every visible surface is finished in matte black, including the underbody and rail caps, so it blends cleanly with modern trucks. The flush fit also helps direct water off the sides for better weather resistance without bulky drain tubes.
This cover can handle up to 400 lbs of evenly distributed weight when closed, showing just how tough its aluminum-and-vinyl build really is. Felt strips between slats prevent scuffs and make rolling smoother by hand, even in extreme temperatures. Rubber seals wrap around the tailgate, cab rail, and sides to keep out runoff and road spray so your gear stays protected through every season.
You won’t need power tools or guesswork to get a tight fit. The Revolver X4s clamps inside your bed rails with self-aligning brackets and pre-installed shims that square everything up automatically. Once tightened down, the frame stays solid, seals evenly, and you’re ready to hit the road—no holes drilled, no special tools required.
Customer Satisfaction Score:
99% were satisfied with this product
1% of customers were not satisfied
Ratings & Reviews
The tonneau cover fits as advertised no leaks it has been a great addition to my truck I really like the way I have my whole bed to use and still have the security of a hard cover without blocking my view out of the rearview mirror for hoking up my fifth wheel trailer.
I wanted to like it a lot, but it definitely came with some problems. Ive had it installed for about a year and it has been nice to secure my stuff and still have the option of a completely open bed. Unfortunately it required some tweaking and a bed length shim to fit my truck, which was supposed to be custom fit. I also had to recrimp the release cable once, and the rails frequently ice up in the winter, making it hard to open.
Great cover! Easy to install by yourself with no help. I've had this cover for over a year. It has held up great with no sun fade, is extremely durable and has a great seal to keep the weather out of the truck bed. 100% recommend!
would have given it a 5 star rating ... BUT ...on a VERY windy day in Kansas ... somehow the cover bowed enough to slip out of the latch rail ...very strong side-wind & it was seen floating up & down in my rear view mirror ...I quickly pulled over to secure it! The small rear corner plastic seal was lost and the other later became so warped in the summer heat it was unusable - after an extended period of being in rolled /stowed position! So now I get a wet rear bed liner when I drive through rain & the carwash ... but as my one initial experience with the customer service was not great I have not followed up on trying to get replacement parts! I use black gorilla tape to seal the rear corners! Othe than that -I really like the security for my truck bed contents, the ease of use ease of install and I just double check the latch (& rail alignment) by thumping it upwards each side before closing tailgate ...no more issues with side-winds!
Well made, easy install.
Customer service from E-Trailer was exceptional as usual big shout out to Cammi F. Thank you for keeping me updated as this was actually delivered from manufacturer.
Love this cover and after a year no fade and still looks brand new.
Purchased this in February. By August this product was already failing. As a roll up tonneau you would expect it to not fail where the cover sits when rolled up but that is exactly what is happening. Photos speak for themselves. I do not recommend you purchase this.
Will be reaching out to customer service today. Will see how how well they support their product.
I had these mirrors (same brand but different model) for my 2016 Silverado and used them for the past 8 years when towing our camper. They installed easily and quickly and were also easy to remove until I needed them again. Since getting a new Silverado I opted for these type of mirrors again. I test fit these new ones and again they go on and off easily. I anticipate them holding up as well as my old ones
It works great. However, it was a bit harder than advertised to install.
Mostly a great cover. I've had this cover on my 2021 Ram 8' bed for 1 year. Install took about 45 minutes. There are 2 issues. After snow or rain and temperatures drop below freezing the cover's locking system along the rails freezes making it very difficult to open or close. You have to go the rails and pull the mechanism free. This year I will try WD 40 prior to the winter season to displace moisture.
2nd, issue two of the hinged supports in the cover separated after being rolled up during a several day trip. One about 3 months ago the second 2 weeks ago.The first one was mostly cosmetic. The second separation would not allow the cover to close without forcing it. I contacted BAK and they quickly opened a warranty claim. After sending them photos and a description of the problem they sent a replacement cover. The 5 year warranty is a pluse. Hopefully this is a one off issue. If I have the issue again I will ask for a different cover.
This is my second BAK cover. I had the flip before this one. I definitely prefer this roll up style as it is much easier to open/close and not nearly as heavy. It would be 5 stars except for the fact that I have to constantly re-adjust and pull the cover back towards the tail gate. It seems to slide forward a micro amount with each opening. So after a few weeks of opening and closing there is a small gap between the tailgate and cover so I have to move it back to seal the gap. Otherwise love this cover.
The original cover was improperly sized from the factory (direct shipment from BAK due to backorder). etrailer, as usual, went above and beyond to get me the correct fitting cover. The new cover fits perfectly and looks great on my truck. Hopefully it will last, though I worry about the quality considering BAK did not notice they sent me a cover with the wrong dimensions originally. Giving 4 stars due to poor QA from the factory on the original shipment.
I am happy to report that after a year of use since I installed it, my Revolver cover is still solid, and in perfect condition. Only once did I have a little trouble opening it due to the locking rails icing up during an extremely cold day. I was able to free it up with minimal effort within a few minutes, and without causing it (or me) any damage.
The cover looks great, keeps the bed dry, and I’ve received many compliments. Also, even with my full 8’ bed, it doesn’t restrict my view through the rear window when rolled up.
Looks great!
Works great, and our camping generators fit under it!
Very easy to install. Package arrived e arly.
Great product.
Would reccomend.
Has been on my truck for a year and still looks great and doesn't leak, very pleased with this cover.
I decided to spend more money on a secure bed cover about a year ago. This is a very robust cover and I would definitely recommend. It lets a little water in but other than that it has been terrific. The outside cover looks brand new and it locks securely. I would purchase again but it should last longer than I own the truck.
1 year of use and no regrets. Phenomenal tonneau cover and it was so easy to install I did it in the dark. This is my 2nd truck that I have installed a BAK product on and I am completely satisfied.
They should not sell these covers in the northeast. Once they freeze, they do not open. Summertime and warmer weather the cover is great.
Good quality but very overpriced.
I've had it for about a year now. Good quality and provides excellent security to your cargo bed. Freezing temperatures can make it difficult or impossible to roll up, especially after being exposed to wet conditions-then freezing. I've had to go through the heated car wash a couple times in order to thaw it out to roll it up. However, I would definitely still buy again.
Beat cover I have had so far.
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!
Very happy with both the product and the customer service. Originally I was given a ship date and that date changed after the order was placed. I emailed with Lauren and she was great! It was delivered one day ahead of the original time. This is my second BAK Revolver cover. I had the first on my truck for eight years until I sold the truck. The cover is secure, almost watertight, and looks amazing.
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 :)
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Ned
3/28/2024
Great product! No issue after 2 years