BAK Revolver X4 Hard Tonneau Cover - Roll Up - Aluminum and Vinyl - Matte Black

BAK Revolver X4 Hard Tonneau Cover - Roll Up - Aluminum and Vinyl - Matte Black

Item # BAK79122

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Tonneau Covers

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Tonneau Covers BAK79122 - Requires Tools for Removal - BAK Industries
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Product Images

  • BAK Industries
  • Roll-Up Tonneau
  • Hard Tonneau
  • Aluminum and Vinyl
  • Inside Bed Rails
  • Flush Profile
  • Matte Black
  • Opens at Tailgate
  • Requires Tools for Removal
The Revolver X4 tonneau combines hard cover strength and security with soft cover convenience. The heavy-duty aluminum and matte black vinyl cover sits flush on your vehicle and rolls up for full truck bed access. Easy, no-drill installation. Lowest Prices for the best tonneau covers from BAK Industries. BAK Revolver X4 Hard Tonneau Cover - Roll Up - Aluminum and Vinyl - Matte Black part number BAK79122 can be ordered online at or call 800-298-8924 for expert service.

  • All Info
  • Reviews (6)
  • Q & A (7)
  • Videos (2)
  • Photos
  • Why etrailer?

BAK Industries Tonneau Covers - BAK79122

The Revolver X4 tonneau combines hard cover strength and security with soft cover convenience. The heavy-duty aluminum and matte black vinyl cover sits flush on your vehicle and rolls up for full truck bed access. Easy, no-drill installation.


  • Custom-fit tonneau cover protects your cargo and your vehicle's bed from the elements
    • Aerodynamic style reduces wind drag, improving gas mileage
  • Hybrid design offers strength and durability of hard cover with style and convenience of soft cover
    • Hinged, 1/4" thick, rustproof aluminum slats offer more flexibility than paneled hard tonneaus to easily roll the cover up
    • UV-resistant, matte black vinyl skin gives sleek, soft tonneau look
  • Roll-up cover provides full truck bed access in seconds without having to be removed
    • Simple operation - pull cable to release cover, then roll cover up
    • Sturdy nylon straps with plastic buckles secure rolled up tonneau at the cab
  • Ultra-flush, low-profile cover sits inside your truck bed rails and has no visible hinges
    • Compatible with stake-pocket-mounted accessories and raised side rails
  • Convenient latching system at the tailgate fastens the cover along the length of your truck bed
    • Side rails rotate to lock down the sides of cover
    • Heavy-duty, gusset-reinforced levers secure cover at the tailgate
    • Cover and truck bed are secure when tailgate is closed and locked
  • Matte black rubber seals help to keep water from seeping in
  • Aircraft-grade, rustproof aluminum rails with black powder coat finish create base for tonneau
  • Easy, no-drill installation
    • Frame rails clamp to the inside of your truck bed side rails
    • Mounting plates ensure that frame rails are properly positioned on your truck bed side rails
    • Included bolts secure front hinge rail to frame rails at the cab of your truck
  • Made in the USA
  • 3-Year warranty

Get the advantages of both a hard tonneau cover and a soft tonneau cover for your vehicle with the Revolver X4. This hybrid tonneau likely has an identity crisis. It's built like a hard cover, but it looks and acts like a soft cover. With the Revolver X4, you get the strength, durability, and security of a hard tonneau and the sleek look and convenience of a soft, roll-up tonneau - all while protecting your truck bed and cargo and helping to improve your fuel mileage.

Strong, Convenient Hybrid Design

Fully installed coverPartially rolled up cover

The secret to the Revolver X4's versatility is the aluminum slats on the underside of the cover that make it strong, seamless, and flexible. These individual, hinged slats give the cover its rugged body, while also allowing enough flexibility for the cover to be rolled up. Atop the slats is a tough, 1-piece vinyl layer that adds to the tonneau's sleek look and overall durability while also keeping the slats perfectly aligned. As a result, the Revolver X4 will roll up evenly every time, unlike ordinary soft vinyl covers that can get lopsided as you maneuver them.

Low-Profile Appearance

Cover sits flush for a low-profile appearance

Unlike other tonneau covers that sit 1/2" or more above your truck bed rails, the Revolver X4 sits nearly flush with your rails for a clean, ultra-sleek look.

Full Truck Bed Access

Cover rolled up for full truck bed access

The Revolver X4 gives you full use of your truck bed in a matter of seconds - just roll up the cover and secure it behind the cab. As a result, you can tote around all your gear without having to remove the tonneau. And because the Revolver X4 mounts inside your truck bed rails, you can still use your truck bed stake pockets to mount accessories like tie-down anchors.

Simple, One-Person Operation

Cover is closed and secure

The Revolver X4 is simple to operate. Following installation, just roll the cover out and press down on the rearmost slat at the tailgate to secure the tonneau in place. The built-in latches not only lock down the back end of the tonneau, but they also fasten the sides of the Revolver X4 along the length of the frame rails. The rail tooth runs the entire length of each frame rail. It rotates downward to lock the side rail into the sides of the cover.

Cover is latched closed

When the cover is rolled out and the rear slat is pressed down at the tailgate, the latches on both sides engage. When this happens, the integrated teeth pivot down and rest on top of each slat of the rolled-out cover. Closing the rear slat effectively pins the cover to the rails, ensuring that the cover stays closed from front to back. It's that simple - no Velcro to seal or snaps to wrestle with. When your tailgate is closed and locked, no one will be able to get through the cover, thereby safeguarding your truck bed and its contents. The cover automatically secures as the locking levers at the tailgate engage. These sturdy levers have reinforced gussets that give them added strength and durability. And they will never need adjustment.

Cover unlatched and partially unrolled

To roll up the cover, unlatch the rear slat by dropping the tailgate and pulling either of the 2 release cords located along the bottom corners of the slat's housing. Either cord will release both of the latches so that you can raise the rear slat. When the latches are disengaged, the teeth roll back into the frame rails, releasing the sides of the cover so that you can easily roll it up. Just fold the rear slat over and roll up the cover the rest of the way.

Rolled up cover secured to end of cab by buckle straps - from aboveRolled up cover secured to end of cab by buckle straps - from below

Then secure the tonneau behind the cab with built-in nylon straps and sturdy plastic buckles. These straps help to keep the bundled tonneau from contacting your cab while you drive. And 4 rubber bumpers act as cushioned barriers between the cover and your truck cab.

Heavy-Duty Construction

Heavy-duty, aluminum construction under matte black vinyl

The Revolver X4's rugged aluminum and vinyl construction makes it an ideal match for your truck, no matter what you do while at work or play. This cover is strong enough to hold up to 400 lbs of evenly distributed weight when it's rolled out. The 1/4" thick, aircraft-grade aluminum slats are covered with a matte black vinyl skin for superior resistance to impacts, UV rays, and weather. This skin is what gives the tonneau its soft, sleek look. While the Revolver X4 may look like a soft cover, its aluminum skeleton provides exceptional security because it cannot be cut through in the same way that a standard soft vinyl cover can be.

Cover lays atop protective felt strips

Felt strips on the underside of the tonneau help to keep the slats from scuffing the vinyl top as you roll up the cover. The soft felt also shields your hands when the cover has gotten hot or cold. And rubber strips overlay your truck's side rails, cab rail, and tailgate, creating a seal that helps to conceal any gaps and works to prevent water from seeping in.

Easy, No-Drill Installation

Clamp-on installation

Installing the Revolver X4 is simple. All you need is a wrench, and you don't have to do any drilling. The tonneau's frame rails clamp to the inside of your truck bed side rails to create a base for the cover. The included bolts secure the front hinge rail to the frame rails at the cab.

Slotted brackets at the ends of the tonneau side rails allow the bolts to shift in case you need to adjust the cover to achieve a snug fit. These brackets ensure proper alignment of the tonneau frame on your truck bed side rails. This eliminates trial and error in installing your rails - you won't have to put them on and then take them off again to get the correct fit. Pre-installed shims and spacers also help to ensure that the Revolver X4 rails are installed squarely on your truck bed.

79122 BAK Revolver X4 Hard Tonneau Cover - Roll Up - Aluminum and Vinyl - Matte Black

BAK79122 Installation InstructionsInstallation Details BAK79122 Installation instructions

This Product Fits The Following Vehicles

2014 - 2018 GMC Sierra 1500 8 Foot Bed

2015 - 2019 GMC Sierra 2500 8 Foot Bed

2015 - 2019 GMC Sierra 3500 8 Foot Bed

2014 - 2018 Chevrolet Silverado 1500 8 Foot Bed

2015 - 2019 Chevrolet Silverado 2500 8 Foot Bed

2015 - 2019 Chevrolet Silverado 3500 8 Foot Bed

California residents: click here

Video of BAK Revolver X4 Hard Tonneau Cover - Roll Up - Aluminum and Vinyl - Matte Black

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for BAK Revolver X4 Hard Tonneau Cover Review

Speaker 1: Today we're going to be taking a look at the Back Line of the Revolver X4 Hard Roll-Up Tonneau Cover offering aluminum and vinyl construction on a matte black finish.Now here's what your covers going to look like installed. As you can see, it's got a really low profile, really slick appearance to it, so it's not one of those that are going to have the bows or the arches or the thicker pads that come up on top. Not really gonna change the exterior look of your vehicle much at all unless you're looking down into the bed.Now typically these are used to either protect items in the back of the truck or secure 'em. Either you've got tools, a fifth wheel, a goose neck. Now the security aspects gonna come with a locking tailgate. Once your tailgate's locked, you're not gonna be able to access the release handles to roll the cover up.

The protection aspect comes from the fully sealed cover, along the back, down the sides and in the front. We've got seals to help prevent any moisture, dirt and debris from getting inside the bed on the items you're trying to protect.Now the top coat of our Tonneau is going to be a UV resistant vinyl so for years to come, we're not going to have to worry about it cracking, fading or deteriorating. The layer below that is aircraft grade aluminum. It's nice and thick, it's going to give this a really good durability and we won't have to worry so much about things coming down on top of it and stuff like that causing any kind of damage or any kind of rips.Now to roll your cover up, you want to open the tailgate there and on each side, there's a little black cable here. You'll pull down on one side, it doesn't matter which and you'll see that's going to release our cover to come up and this really only takes one person.

Just begin to roll it up. The thing I like about it unlike a standard soft cover, it keeps itself square as we roll it up, so we don't have one side smaller and one side kind of getting much bigger.This is also a lot easier to use, especially if you've got a truck like this with the 8 foot bed, then the one with the folding sections. Those tend to get pretty heavy. This doesn't gain a lot of weight as we roll it forward, and that's gonna give you a good look at those interlocking aluminum slats that are there on the bottom. You'll see we get great security on our items, kind of touching on that again.

At the end of each of the slats, you've got an area where the latch on the side is going come down and it engages. So, each and every panel is secured down to the bed of the truck.Now when fully rolled up, you'll notice we still have a good view out of the back glass. Our third brake light's not been obstructed and if you're going to use that camera in the back maybe hooking up to a gooseneck or fifth wheel. You'll still be able to see down to your items.Now there are roll-up style covers similar to this that slide into a storage box. They kind of coil up inside of a box located here.

Well that's a good design, there's really nothing wrong with those covers. Without that canister sitting in here, we have more room in our bed for additional items or if even the back box too which this cover is compatible with, you could add that in there to give you additional storage options.You see, they've also added protection around the entire cover as we roll it up. This allows the cover to rest on the top of it on the softer material, rather than it being on the harder aluminum.Now in the event you we're to roll your cover up too quickly or something or maybe you didn't remember to strap it down and you hit the brakes, if it does roll up to the back of the vehicle, you can see we've got the pads in place and that's gonna give us protection, so we don't have to worry about any contact between the cover and the cab of our truck.Now located on each side, we're gonna have straps with our clip so we can bring over the cover and clip in place to keep it secure. Now these clips are going to be a little bit more difficult I think anyway to get in place than the prop rod that you're gonna get with the back flip or you know the retracts, it's just gonna slide into a container. So I think this is a little bit harder process than what you're gonna see on those other two. But once we do have it cinched down, as you can see, it holds it nice and securely.Now with the cover in this position as you can see, you're free to pretty much load your bed as full as what you did without a cover installed. You're gonna lose, this is the eight foot long version. It takes up about 9.5 inches of space from the front bulkhead. The 6.5, 5.5 foot version should be a little bit smaller than that and the rails that we have installed on each side, those come in from the bed rails about 2.5 inches. So just keep in that mind, make sure that's gonna allow you enough room to get whatever items in that you'll need.And then when it's time to put our cover back in place, we've got the same situation. Just a real easy, one person job here, nothing to align really side to side and we'll just pull down firmly here on the corners with both hands. We hear it latch into place and then we can close our tailgate. Now the nice thing about the way this Tonneau cover operates, it doesn't have anything in the instructions about you have to close it with the tailgate open, you have to close it with the tailgate closed. So you're able to just open the gate, get your stuff in and out without having to release it. But if your tailgate happens to be up, it latches just the same way.Now something I like about the new Revolver X4 that we didn't really see with the X2 is that the side rails here are really matched very well with the OAM bed rails and caps so it gives it a real seamless kind of streamlined look.Now the cover offers a drill free installation. It's a really straightforward and pretty easy process to do. We'll just have a seal that goes across the front here and then four clamps for side on the long bed and usually three clamps per side on the short bed.Now honestly the same could be said for most Tonneau covers, they're usually not that hard to install. Something that does stand out on this cover though that I really like is that we don't have any seams. We don't have any stitching. We don't have any hook and loop fasteners we need to deal with. We're not going to be pushing down the side, going down each side. We're not going to have to worry about seepage through those seams getting into the bed of the truck.And there's another nice feature. Since this does sit inside the rails of our bed, we'll still have full access to our stake pockets for accessories we might want to use.Now based on our experience here in the shop with the X4 and customer feedback, you're going to get a really high quality cover. It offers superior protection for anything that you've got in there. Superior security and all of that comes from a product that's made right here in the United States.And that's going to complete our look at the Back Line of the Revolver X4 Hard Tonneau Cover.

Customer Reviews

BAK Revolver X4 Hard Tonneau Cover - Roll Up - Aluminum and Vinyl - Matte Black - BAK79122

Average Customer Rating:  4.7 out of 5 stars   (6 Customer Reviews)

The Revolver X4 tonneau combines hard cover strength and security with soft cover convenience. The heavy-duty aluminum and matte black vinyl cover sits flush on your vehicle and rolls up for full truck bed access. Easy, no-drill installation.

- BAK79121

Review from a similar BAK Industries Revolver X4 in Tonneau Covers

I was able to install this cover, with help from a friend, on my 2015 Chevy Silverado 6.5' bed in about 45 minutes. Everything aligned perfectly, it closes smooth, seals well, kept out the rain from a torrential rainstorm the next day. The matte finish on the vinyl matches the plastic on my truck, and doesn't look cheap like most other covers. I love the low profile between the rails look, the truck looks like their isn't a cover on until you get above the bedrail. Totally happy with this product! 512468


Ive had this tonneau cover for a year now, and I can say that Ive been 95 happy with it. I have just two complaints with it: 1- The rubber strips that cover the length of the bed rails have lifted at the cab side, and depending on how it rains, water just pours in where those strips have lifted. I do have the full bulkhead seal installed, its leaking past that point. 2- The rubber strips have also begun to bubble up randomly along the length of the cover, so I also get water dripping in from along the sides. I have to carry my items in plastic tubs with lids, because the water doesnt just drip down, it will occasionally run along the underside of the cover and drip down towards the middle. The structural aspect of the cover held up to snow without a problem, and I love that its a rigid cover, however, the water leak aspect []s it from a 5-star to a 4.5 star.

Patrick V - 05/27/2019


- BAK79101

Review from a similar BAK Industries Revolver X4 in Tonneau Covers

Fantastic engineering, and great looking. Was straightforward to install following included instructions. Very happy with this product so far on my 2013 Silverado. 568093

- BAK79409T

Review from a similar BAK Industries Revolver X4 in Tonneau Covers

The top is very nice looking and the installation was very easy. The product was engineered well to fit my truck beautifully. Two issues came with some minor scratches and it leaks at the front corners. 494765


Thanks for the review and follow up William. I have checked with my contacts at BAK and to prevent leaking in the front corners they advised to make sure that you have the bulkhead seal installed. That is available as an individual Part # PARTS-326A0004 if you need it. Tonneau covers are intended to be water resistant, and some leaking can still occur.

Rachael H - 04/12/2018


- BAK79602

Review from a similar BAK Industries Revolver X4 in Tonneau Covers

Installed myself in less than an hour and a half. Helpful video for installation. Quality fit and finish. Matte finish matches side and rear of Ridgeline bed exactly for a seamless look. Subject to torrential rains (Florida) , minimal water intrusion. Suggest lite lubrication of retaining brackets to side rails for easier positioning during installation. 690636

- BAK79213

Review from a similar BAK Industries Revolver X4 in Tonneau Covers

Fits great after I figured out that I needed some shims. It nice not to have to worry about items in the back of the truck. 620234

- BAK79330

Review from a similar BAK Industries Revolver X4 in Tonneau Covers

I love this cover! It is well made and I was able to install it in 20 minutes. After a year it looks brand new and I've had no issues with it. Thanks Lisa D for recommending this cover! 607307


Ask the Experts about this BAK Industries Tonneau Covers

Do you have a question about this Tonneau Cover?

  • Recommended Tonneau Cover To Work With TracRac SR Sliding Truck Bed Ladder Rack
  • The Tonneau cover that is in the customer's pictures (see attached) is the BAKFlip F1 Hard Tonneau Cover # BAK72122. However in that same review, the customer says that the cover and the rack rub against each other. That rubbing will likely cause damage overtime. According to Bak, the only Tonneau that we know works with the Tracrac SR is the # BAK39122 or # BAK79122 because it sits further inside the bed rails than other covers do and they don't rub against one another. The big difference...
    view full answer...

  • Does BAKBox 2 Collapsible Toolbox Fit BAK Revolver X4 Tonneau
  • Since the only difference between a Bak Revolver X2 and an X4 is the finish of the paint the BAKBox 2 Collapsible Truck Bed Toolbox # BAK92120 will work with a X4 like the part # BAK79122 that you referenced. This is a matte finish cover whereas the X2 is gloss.
    view full answer...

  • BAK Tonneau Cover and Thule TracRac SR Sliding Ladder Rack Compatibility for 2018 GMC Sierra 1500
  • The series of BAK hard tonneau covers that is confirmed to be fully compatible with the Thule TracRac SR Sliding Ladder Rack systems is their Revolver series, both the X2 and X4 versions. Here are the Revolver covers which fit the various bed lengths of the 2018 Sierra 1500: 5-1/2-ft bed: Revolver X4 # BAK79120 and Revolver X2 # BAK39120 6-1/2-ft bed: Revolver X4 # BAK79121 and Revolver X2 # BAK39121 8-foot bed: Revolver X4 # BAK79122 and Revolver X2 # BAK39122 All Thule TracRac...
    view full answer...

  • Ladder Rack and Tonneau Cover Recommendation for 2019 Chevy Silverado 2500 Long Bed
  • We have a great setup that will allow you to have both a ladder rack and tonneau cover installed on your 2019 Chevy Silverado 2500HD so that you can carry canoes as needed and have the bed covered. For the ladder rack you'd want the TracRac Sliding Rack part # TH43002XT-780 which is a confirmed fit and since it installs through the top of the bed rails you could then install a tonneau that fits between the bed rails like the BAK Revolver X4 part # BAK79122 which is a confirmed fit and would...
    view full answer...

  • BAK Revolver Hard Roll-Up Tonneau Covers and Compatible Ladder Racks for 2016 GMC Sierra 1500
  • The BAK Revolver X4 and X2 Hard Roll Up Tonneau Covers, when they are rolled up to the back of the cab window, will be approximately 9-inches in diameter for the 5-1/2-foot bed version, about 10-inches for the 6-1/2-foot bed version and about 12-inches for the 8-foot bed version. My contact at BAK who provided these figures said these are approximate dimensions only. The Revolver covers for the 2016 GMC Sierra 1500 are as follows: 5-1/2-foot bed models can use X4 # BAK79120 and X2...
    view full answer...

  • Recommended Removable Ladder Rack and Tonneau Cover for 2016 GMC Sierra 2500HD
  • The ladder rack system that is easiest to remove from your truck is the TracRac SR which uses bed rail mount tracks that let you not only quickly remove the uprights but that also let you position the uprights where they best fit your specific cargo. These also have the highest weight rating of any ladder rack we offer, 1250-lbs. For 6-1/2 foot bed use 2-bar rack # TH43002XT-781 or 3-bar rack # TH43002XT-781EX. For 8-foot bed use 2-bar rack # TH43002XT-780 or 3-bar rack # TH43002XT-780EX. For...
    view full answer...

  • Clearance Underneath BAK Revolver X4 Hard Roll Up Tonneau Cover BAK79122
  • The BAK Revolver X4 Hard Roll Up Tonneau Cover # BAK79122 that fits your 2018 GMC Sierra 3500 long bed does install inside the bed rails (rather than on top of them) to let you keep access to stake pockets for accessories. Since this cover rolls up above the bed there will not be much in the way of material that hangs below the bed rails. If you refer to the two linked detail photos that show this cover installed you'll see the clamp on rails. The bottom surface of the rolled-up cover...
    view full answer...

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Info for this part was:

Edited by:
Tyler C
Expert Research:
Adam R
Installed by:
Randy B
Video Edited:
Chris R
Video by:
Zach D
Written by:
Jason W

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