





Ford Bronco 4-Door M.A.S.S. Cargo Shelf - Adjustable Height
Turn the back of your Ford Bronco 4-Door into an organized, trail‑ready command center with the MASS Adjustable Height Cargo Shelf.
Built from lightweight, corrosion‑resistant 5052 aluminum, this shelf is designed to mount securely into your Bronco and provide an extra level of storage. The adjustable height means you can tailor it to your setup – create space for bins, coolers, or dogs underneath, while keeping lighter gear or camp essentials up top.
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Adjustable height design – set it high for more clearance or low for easier access.
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Part of our MASS System – modular by design, so you can expand and customize.
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5052 aluminum construction (main panels) – strong, lightweight, and trail‑proven.
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Steel support structure – 3mm mild steel is used for strength where it matters most
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Maximize storage space – organize gear without sacrificing rear visibility.
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Made in the USA – designed, built, and coated in-house at American Adventure Lab.
- Compatible with both hard tops and soft tops
NOTE: The Bronco Raptor version uses slightly different mounting brackets than the non-Braptor.
Technical Specs
- Width (left to right): 42" (1067mm)
- Depth (front to rear): 22-1/4" (656mm)
Height Adjustment
- The lowest point (below the bottom of the shelf) is 26.5″ (672mm).
- The highest point (below the bottom of the shelf) is 16.25″.
Whether you’re loading up for a week in the desert or just want your Bronco to stay as organized as it looks on Instagram, this cargo shelf has you covered.
B6-1000-00-0
Couldn't load pickup availability
Pickup available at Warehouse
Usually ready in 2-4 days. Call to confirm.Pairs well with
Instructions
*Product photos may contain optional components.

Ford Bronco 4-Door M.A.S.S. Cargo Shelf - Adjustable Height
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
Please read our FAQs page to find out more.
Where are your products made?
All American Adventure Lab products are proudly designed, tested, and manufactured in-house in St. George, Utah, using high-quality materials and precision processes. We are committed to American manufacturing and craftsmanship.
Do you offer installation instructions?
Yes! Most of our products include detailed install instructions. Check the "Instructions" section below the product details above. If we have a digital version of the instructions, they will be included there. You will also receive a printed sheet with your order that details how to ask questions or receive installation assistance.
Can I return or exchange an item?
We stand by our products. If something doesn’t work out, reach out to us within 30 days of delivery. Full return and exchange policy is available here.