• UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
  • UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
  • UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
  • UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
  • UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
  • UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
  • UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
  • UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
  • UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
  • UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500 - Stateside Performance - Bed Covers - Folding - Undercover - UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500
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UNDAX12023

Undercover

UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500

UnderCover Armor Flex Hard Folding Bed Cover - 6 ft 6 in Bed, Black Textured | 2019-2026 GMC Sierra 1500

$1,399.99 USD
$1,399.99 USD
Sale Sold out
Shipping calculated at checkout.

In stock

The UnderCover ArmorFlex Hard Folding Bed Cover fits the 2019-2026 GMC Sierra 1500 6.5ft bed and protects your cargo with LINE-X coated heavy-duty panels.

Install Difficulty: DIY Possible
Clamps to factory bed rails with included hardware; typically installs in 30-45 minutes.

Product Overview

The ArmorFlex is a hard folding tonneau cover built with heavy-duty panels finished in a LINE-X specialty automotive coating. The coating resists dents, scuffs, and UV damage in extreme conditions.

A dual-action tailgate seal lets you close the tailgate with the last panel up or down. Automatic latching panels secure the cover without manual clamps each time you open it.

Made in the USA and backed by a 5-year warranty.

Features & Specifications

  • Fits: 2019-2026 GMC Sierra 1500
  • 6.5ft bed length fitment
  • LINE-X coated heavy-duty panels
  • Matte black textured finish
  • Dual-action tailgate seal
  • Automatic latching panels
  • Low-profile hard folding design
  • Made in the USA
  • Backed by a 5-year warranty

Fitment

This part fits the following vehicles:

Year Make Model Submodel
2019-2026 GMC Sierra 1500 AT4
2019-2021 GMC Sierra 1500 Base
2019-2026 GMC Sierra 1500 Denali
2019-2026 GMC Sierra 1500 Elevation
2022-2026 GMC Sierra 1500 Pro
2019-2026 GMC Sierra 1500 SLE
2019-2026 GMC Sierra 1500 SLT
2022 GMC Sierra 1500 Limited AT4
2022 GMC Sierra 1500 Limited Denali
2022 GMC Sierra 1500 Limited Elevation
2022 GMC Sierra 1500 Limited Pro
2022 GMC Sierra 1500 Limited SLE
2022 GMC Sierra 1500 Limited SLT
⚠ Submodel Fitment: If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.

Shipping & Returns

Tracking is typically provided within 3–5 business days; items shipping direct from the manufacturer may take 5–7. Some items are made to order or may be backordered. Questions about stock? Reach us through live chat or email.

Warranty

All warranties are through the manufacturer and are facilitated by Stateside Performance. Some manufacturers require the end user to contact them directly; in that case we will point you to the right contact. Email us with any warranty questions.

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  • Free shipping over $250

    Free shipping applies to items that are shipped via ground through UPS or FedEx and are over $250 going to the continental 48 states. This does not apply to Alaska or Hawaii, and does not apply to any item(s) that are shipped via freight or with any other option other than ground shipping.

    Shipping policy 

  • 30-day returns

    Returns must be requested within 30 days of delivery. Parts must be new, unused, uninstalled, and in original packaging, with an RMA. Some items are final sale.

    Return policy