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RealTruck

RealTruck BAK MX4 TS Hard Folding Truck Bed Tonneau Cover | 449130TS | Fits 2019-2026 Chevy/GMC Silverado/Sierra (New Body Style) w/or w/o MultiPro/MultiFlex, Won't Fit Carbon Pro 5' 10" Bed (70")

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Availability: In Stock.
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Arrives Saturday, Aug 8
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Style: MX4 TS: Rack Ready


Size: 5' 10" Bed


Configuration: 2019 - 2026


Features

  • Fits 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Chevy/GMC Silverado/Sierra (New Body Style) w/ or w/o MultiPro/MultiFlex, Won't Fit Carbon Pro 5' 10" Bed (70")
  • THE BEST-SELLING TRUCK BED COVER IN THE WORLD NOW WITH BUILT-IN RACK COMPATIBILITY
  • BUILT-IN RACK COMPATIBILITY | Integrated T-slot rails connect easily with racks, cargo holders, tents, and cross bars.
  • MULTI-SHIELD PROTECTIVE COATING PROVIDES 11X GREATER DURABILITY | Multi-Shield defends against everyday scuffs and scratches, and increases durability by 11X.
  • BUILT 22% STRONGER THAN THE ORIGINAL | Constructed for increased durability and heavy-duty use with a sturdy premium-grade aluminum surface and high-density polymer core.

Description

America’s best-selling tonneau cover just got an upgrade. Introducing the BAKFlip® MX4 TS, available exclusively from RealTruck®. This premium bed cover builds on the legendary MX4 with a significant addition—integrated T-slot side rails for mounting racks, carriers, rooftop tents, and other overland or cargo accessories. Built tough from robust aluminum, the MX4 TS features redesigned top panels with high-density polymer cores, delivering 22 percent more strength than the original. The ultra-low profile sits flush with your truck’s bed rails for a clean, sleek look, while the Multi-Shield® matte black finish offers 11x more surface durability and supports up to 400 pounds of evenly distributed weight. Engineered for all-weather performance, this cover features upgraded perimeter seals, tight-fit clamps, and a dual-action tailgate seal that allows tailgate operation in any position. Water is diverted through integrated drainage tubes and channels to keep your gear dry and secure. Cargo stays protected thanks to BAK’s auto-latching system, which secures the cover with every panel fold. Meanwhile, the T-slot rails expand your hauling options by enabling fast, secure installation of crossbars and other accessories—unlocking extra cargo capacity above and below the bed cover. Easy to use and easy to install, the MX4 TS opens by releasing the rear latches and folding forward. For complete bed access, it props upright against the cab with built-in rubber bumpers to prevent scuffs. Click-in clamps cut install time by 12 percent over the previous model. Proudly assembled in Missouri using globally sourced materials, the BAKFlip MX4 TS is backed by a 5-year warranty from RealTruck.

Brand: RealTruck


Style: MX4 TS Rack Ready


Exterior Finish: Specialty Automotive Coating


Material: high density polymer-reinforced aluminum


Lock Type: Tailgate


Brand Name: RealTruck


Manufacturer Part Number: 449130TS


Manufacturer: BAK


UPC: 192631050995


Automotive Fit Type: Vehicle Specific Fit


Model Number: 449130TS


Unit Count: 1.0 Count


Included Components: Applicable Hardware, Clamps, Install Guide (QR Code), Rails, Tonneau Cover


Manufacturer Warranty Description: 5 Year Limited


Item Type Name: Truck Bed Tonneau Cover


Item Weight: 71 Pounds


Material Type: high density polymer-reinforced aluminum


Lock Type: Tailgate


Style Name: MX4 TS Rack Ready


Exterior Finish: Specialty Automotive Coating


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Aug 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • I got one!
Style: BAKFlip MX4 Size: 5' 10" Bed
Review Image by Jason Jason
Review Image by Jason Jason
Review Image by Jason Jason
Great cover! Did a lot of research before I landed with the BAKFlip Mx4. Super easy to install, very secure, I’d say more secure than the other ones with the latches. You can also have up to 400lbs of evenly distributed weight on top. Yes pricey but the invest for security made the decision easier
Reviewed in the United States on May 21, 2025 by Jason Jason
    • Well built, tight fitting and low profile
Style: BAKFlip MX4 Size: 5' 10" Bed
Impressed with the design on this. Its low profile, fairly easy to install. Make the truck look good. I gave it 4 out of 5 on installation due to i needed another body to help hold a corner down to have it sit right for bolt down. Even that, wasnt difficult at all. RTFM and golden. I tested it thru many a carwash (Crew Carwash) which has high pressure. Hardly any water gets in. Little by the tailgate. We'll see how it holds to sun damage/coloration and the weather. I personally think it will do well! Foldup: This is a must if you use the bed for hauling things. This top folds ups nice and easy. Simple pull down on the cable and flip it over! The mfg states it can hold up some weight. I'm not going to try it unless I have to. I trust what they say. Its a solid top. If you are thinking on this one, dont hesitate! ... show more
Reviewed in the United States on December 13, 2023 by Rmelmax
    • Smooth install and quality product for my 2023 Silverado
Style: BAKFlip MX4 Size: 5' 10" Bed
First, I spent a fair amount of time doing research for a decent tonneau cover. When I purchased my truck, I knew I needed a tonneau cover. I initially was leaning toward a retractable-style cover for a couple of reasons. One - I wanted something that would make my bed both secure and dry. Two - I wanted something that would be out of the way when I needed the full bed and was electric actuated. Third - I was fairly certain I wanted something constructed of metal rather than plastic or vinyl. There was one issue with electric retractable tops is they are VERY expensive! So, eventually I had arrived at the conclusion I just didn't want to spend the money for a retractable top, but wanted the sturdiness of a metal retractable top. BakFlip hits 2 of my 3 asks for a tonneau cover - AND at a fraction of the cost! So, this is MY comparison contrast between retractable vs folding tonneau covers. Next, when it arrived, it was packed very securely. I was a bit worried after I had ordered because I had read some reviews that indicated their cover was damaged during shipping. The box was large and bulky, but wasn't unmanageable. My 17 year old daughter actually got it into the house just fine on her own. Installation. My advice on installation is to unwrap the cover and brackets and separate the hardware into piles (nuts, washers, lock washers). The other reviews on here are spot-on! If you are like me and you're a garage 'tinkerer' with cars and trucks and know your way around a toolbox, you will have no problem with the install. It took me about an hour. Just be sure, to pay attention to the alignment and insure the brackets are grabbing your bed rails squarely. Definitely worth going back around to give the bolts a final 'snug' when you're done. Performance. I saw mixed reviews on here that were indicative of the cover leaking. The cover (so far) has kept the gear in my bed dry during the handful of rainstorms we've had since the install. As for the dust? Here's the thing. When you put one of these covers on, you are sealing around the top of your bed. The penetrations and voids UNDER that cover will allow dust (and in most cases water). How is it the tonneau cover's fault? Get creative if you want your bed to be air-tight. Overall, I am pleased with this purchase. In the end I am happy that I decided to save about $1600 because, as it turns out, I don't think having a remote and being able to click a button to retract the cover is worth an extra $1600. I hope this review helps if you are on the fence like I was... ... show more
Reviewed in the United States on June 21, 2023 by Bryce P.
    • Excellent Product!
Style: BAKFlip MX4 Size: 5' 10" Bed
Installed on a 2022 Silverado RST short bed. Item fits perfectly into position and it's not hard to install. Come with instructions of how to install it but I also looked at videos online before proceeding to install it. Once install it's quite secured. I have the multi flex tail gate and it works just fine. Tail gate folds down on its own with a push of the button on remote or in the tail gate itself. When you close tail gate you don't need to lift the cover like other brands. If it rains you don't get water inside but if you go through a car wash, you will get some water on the sides of the tail gate unless you buy the rubber seal for it. That's a separate order. I also found it here in Amazon. A bit expensive but I love it! ... show more
Reviewed in the United States on July 31, 2023 by Link82
    • BAKflip MX4
Style: BAKFlip MX4 Size: 5' 10" Bed
Like everything else, the price goes up, and the material quality goes down. This is the 3rd MX4 I've had over the years. Still amazing, but this last one has a lot more plastic parts. With that said, I do appreciate the design improvements.
Reviewed in the United States on April 22, 2025 by JConforti
    • Awesome cover!!
Style: BAKFlip MX4 Size: 5' 10" Bed
Had some initial issues but the seller and manufacturer helped me work it out very quickly. Now that it's all complete and properly installed... I love this thing! Super durable and lightweight. Can lift it from the side with one hand easily. Has options to ride with it opened if needed which is nice. Have had no issues with water or leaking either. Installation on my 2021 GMC Sierra Elevation was easy and took about an hour to complete. It took me longer to get it square on the bed than anything else. ... show more
Reviewed in the United States on October 13, 2024 by Sean
    • Don't waste your time
Style: BAKFlip MX4 Size: 5' 10" Bed
Don't waste your time. Installed on a GMC Sierra AT4X. I have installed several covers and usually this is a good brand but this was junk! The rails went on fine and I always expect some adjustment of brackets to get the fit just right but this took me forever to get the driver side to latch properly. I did finally get it to latch but as I was doing a few open and close test I dropped down the last panel and the corner piece of plastic broke off. I am sure they would replace it but why have such a weak point at the corner like that. I am also not a fan of how the back fits over the tail gate, maybe mine specifically just had weirdly bent rubber that would smooth out over time but as it closed the first few times it was far from water tight. I have usually had good luck with Bakflip but for this truck I am looking elsewhere. ... show more
Reviewed in the United States on March 19, 2025 by Derek W

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