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Oasis Locking Post Mount Black Extra Large Mailbox, 5103B Architectural Mailboxes
by Architectural Mailboxes      AMB5103B      Sold: Each     Availability: In Stock
List Price $255.48
Buy 1+ for $196.52 each
You save 24%
Ships by
Friday, Jan 25th
if ordered by
2pm Tomorrow (EST)
Per manufacturer return policy, all Architectural Mailbox returns will be subject to a 25% restocking fee. Items must be in original packaging, unused and in sellable condition.

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  • Ideal for commercial applications, the Architectural Mailboxes Oasis Post-Mount Locking Drop Box sports a high-capacity space with a hopper door for easy delivery of mail bundles, small parcels or payment drops. The retrieval doors feature rubber seals to keep deliveries dry and free of dirt and the drop box is constructed from 16-Gauge and 14-Gauge galvanized steel with a powder coat finish for lasting durability.
  • (13-7/10 in. W x 20 in. H x 18-1/2 in. D) offers ample room for small parcels, mail bundles or money drops
  • Constructed of heavy-gauge, galvanized stainless steel for optimal durability
  • Commercial grade powder coated finish resists rust
  • Doors include rubber seals to keep deliveries clean and dry
  • Works with Architectural Mailboxes 5105 and 5106 posts (not included)
  • Post-mount installation for ease of access
  • Works with 5120OC5100 and 5120WL5100 locks and 5140 key blanks
  • Order Architectural Mailboxes adapter plate 7540B for 4 x 4 wood post installation
  • Does not include mail flag, outgoing mail clip or USPS embossing


  • Outgoing Mail Indicator
  • Flag: n/a
  • Back/Body Panel: 16 gauge (1.5mm) steel sheet
  • Front/Door Panel: 14 gauge (2 mm) steel sheet
  • Slot Flap & Retrieval Door: n/a
  • Roof: n/a
  • Hardware Assembly: Stainless steel rivets and hinges. Zinc plated assembly screws
  • Front frame and Door Accents: n/a
  • Body Side Panels and Bottom: n/a
  • Body Front Panels and Top: n/a
  • Finish: Assembled after components are fully powder coated to protect against joint and seam corrosion
  • Floor: n/a
  • Assembly Required: Yes
  • Access type: n/a

Product Specifications

Sold : Each
Brand : Architectural Mailboxes
Finish : Black
Application : Drop Box
Size : Extra Large
Mount Type : Post Mount
Security : Locking


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