Roll-N-Lock M-Series Retractable 2020-2023 GMC Sierra 2500/3500 8' Tonneau Cover LG225M

Roll-N-Lock M-Series Retractable 2020-2023 GMC Sierra 2500/3500 8' Tonneau Cover LG225M

Regular price $1,699.99
$1,699.99 Sale price Regular price $2,209.99

Material: Vinyl-over-aluminum

Cover Action: Manual Retractable

Cover Firmness: Hard

Color: Black

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Product Details

Roll-N-Lock M-Series Retractable LG225M


    Vinyl-over-aluminum low-profile design maintains a sleek truck bed cover appearance with an aluminum undercarriage that has a patented, contoured hinge design for frictionless rotation & theft protection
    Features a torsion spring enclosed in a 3" aluminum casing, along with patented contoured hinge design for frictionless rotation to enable effortless & secure operation
    All Roll-N-Lock covers have the most compact canister of any other retractable cover. Sitting just 7 ¼" deep & featuring an aerodynamic housing lid to preserve truck bed cargo space
    Simple to install with patented, clamp-on track design. All Roll-N-Lock covers are backed by a US-based customer support team, as well as a 3-year guarantee


Discover the M-Series, a retractable truck bed cover that seamlessly combines the security of a hard cover, the sleek appearance of a soft cover, and the convenience of a retractable cover. Its hybrid design, featuring durable vinyl over aluminum, ensures year-round protection and optimal bed security. The M-Series excels in durability while remaining incredibly easy to operate, thanks to its unique frictionless construction and insulated grip lever.

Unlock the cover with the key and watch it effortlessly retract towards the cab, neatly tucking into its compact canister. What sets the M-Series apart is its ability to open, lock, and close without even requiring you to open the truck's tailgate, offering unmatched convenience and quick access to your bed and gear. With multiple open positions, it caters to your specific needs.

Installing the Roll-N-Lock M-Series retractable truck bed cover is quick and hassle-free, and it is backed by a reliable 3-year warranty, ensuring your satisfaction and peace of mind.

Price Guarantee

Lowest Price Guarantee

We work hard to ensure that the prices of our aftermarket truck bumpers are the best available online. That’s why we guarantee that you’ll get the lowest price on all of our bumpers and accessories. Here’s how it works:

  • We guarantee that the price of our aftermarket truck bumpers is the best available online. If you find an online store that offers a specific model at a lower price, let us know and we’ll match their price for your purchase.
  • If you find that the exact bumper at an even lower price online within 6 months after your purchase, we will refund you the difference. Simply send a price difference refund request to This applies even to the prices from our own store at
  • The competitor must be an online retailer with no physical stores and they must be an authorized dealer of the bumpers or accessories in question. The competing online store must also have the product in stock on their website for our price match guarantee to apply.
  • The price match guarantee does not apply to online marketplaces such as Amazon, eBay, Overstock or any other similar websites. The competitor must be selling the item directly on their own online store.
  • Additional promos cannot be applied in addition to the price match guarantee. For example, the free gift promo cannot be added on top of the price match guarantee. Only one promotion can be applied per purchase.

Once we confirm that your order is eligible for our price match guarantee, you can be confident that you’re getting the very best deal online.

Whether you’re looking for heavy-duty truck bumpers by Ranch Hand, a winch bumper by Fab Fours, or any other aftermarket truck bumper, if you shop with BumperOnly, you’ll never have to worry about buyer’s remorse.

For any questions about our price match guarantee, feel free to get in touch.

Shop without fear. Let BumperOnly take care of the rest.


      Installation Guide
      ROLL-N-LOCK comes complete with installation instruction. If you need assistance, call ROLL-N-LOCK Products Technical Support or bring it to your local auto body shop to install.

      Please click here to download installation manual.

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