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Salsbury 4850BLK Heavy-Duty Rural Mailbox — All-Aluminum, Black

Salsbury 4850BLK Heavy-Duty Rural Mailbox — All-Aluminum, Black

4.6/ 5

Customer rating

Average of 11 reviews

Brand Salsbury Industries

  • 5 stars 10
  • 4 stars 0
  • 3 stars 0
  • 2 stars 0
  • 1 star 1

Product review

This heavy-duty rural mailbox is made completely from aluminum and arrives ready to accept mail with an adjustable red signal flag and a magnetic door catch. The exterior is finished with a durable powder coat available in black, green, beige, and white to resist corrosion and fading.

Construction uses a 1/8" thick extruded aluminum main body paired with a 1/8" die-cast aluminum front door and rear cover for extra rigidity. The die-cast door is mounted on a full-width stainless steel hinge to ensure smooth, long-lasting operation. Dimensions and capacities conform to standard rural mailbox sizing and accommodate letters plus small package deliveries.

Mounting options include attachment to posts, masonry columns, or walls, though the unit ships without mounting hardware kits — you must supply bolts or anchors appropriate to your chosen mounting surface. The model is built to USPS-STD-7B specifications and comes from an ISO 9001:2008 certified manufacturer with decades of production experience dating back to 1936.

Pros

  • Robust 1/8" extruded and die-cast aluminum construction
  • Powder-coated finish in multiple color choices
  • Secure magnetic door and full-width stainless hinge

Cons

  • Mounting hardware not included
  • May need adapter for some wood post installations
  • Heavier than thin-gauge alternatives

VerdictA sturdy, mail-centric mailbox offering long-term weather resistance and a secure magnetic latch. The thick aluminum construction and full-width stainless hinge give a solid, premium feel and accommodate small parcels. Installation requires separate mounting hardware and may need adaptation for some post types, but overall it’s a durable, low-maintenance choice for rural or curbside delivery.

Reviews

  1. Nicolas 5/5

    Exact match and easy fit

    This matched my existing mailbox exactly. Installation was simple and it fit perfectly.

  2. mobiltek 5/5

    Durable and attractive

    Very sturdy cast-aluminum construction with an attractive finish. Appears built to withstand years of exposure in a harsh climate.

  3. Courtney 5/5

    Perfect replacement

    Dropped right into the spot of the old box — all mounting holes lined up. Installation was quick, and it looks strong and well-made.

  4. ADK Corner Store 1/5

    Poor manufacturer support

    The mailbox itself seems well made, but customer service was unhelpful when I asked about mounting to my wood post. I was told to buy a company post, which wasn’t an option for me.

  5. Bonnie M. 5/5

    Still looks great after two years

    Two years in and the finish and structure remain in good shape. Spacious enough for small parcel deliveries.

  6. Martha C. Wieman 5/5

    Impressive, solidly built mailbox

    I searched a long time for a rural mailbox that matched my standards and this one delivered. It arrived heavy and felt substantial out of the box. As a former mechanic and engineer who's picky about fit and finish, I was very pleased. The size handles small packages well and the overall build justifies the investment.

  7. Rachel MacKenzie 5/5

    Sturdy with a strong magnetic close

    Very solid construction; magnetic latch holds securely yet opens smoothly. Wind won’t fling it open, but it’s still easy to use.

  8. bobeveans2003 5/5

    Kept mail dry through snow and rain

    Replaced a smashed box after plowing season. This unit has stayed dry in both snow and rain for months. Magnetic catch is adjustable and holds well.

  9. KDO 5/5

    Classy upgrade for the curb

    More than I planned to spend, but it transformed the look of my property. Thick aluminum, tight seams, and no leaks during heavy rains. Mounted to a decorative post and the ensemble looks great.

  10. J. A. Thomas 5/5

    Still holding up after years

    Bought this years ago and it’s stayed rust-free and functional. Paint has only minor fading and it survived rough treatment from some neighborhood vandals without giving out.

  11. Coastal Living 5/5

    Solid feel, needs separate fasteners

    After nearly a decade the only issue was the magnet pulling free once — easily repaired. Finish is complete inside and out. Note: it doesn’t include mounting bolts; pick the proper carriage bolts and washers for your post.

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