--- product_id: 106308368 title: "Architectural Mailboxes 6300P-10 Locking Parcel Mailbox, X-Large, Pewter" brand: "architectural mailboxes" price: "€ 392.58" currency: EUR in_stock: true reviews_count: 13 category: "Architectural Mailboxes" url: https://www.desertcart.at/products/106308368-architectural-mailboxes-6300p-10-locking-parcel-mailbox-x-large-pewter store_origin: AT region: Austria --- # Spacious 1534 cu in capacity USPS approved keyed lock with 4 keys Heavy-duty galvanized steel Architectural Mailboxes 6300P-10 Locking Parcel Mailbox, X-Large, Pewter **Brand:** architectural mailboxes **Price:** € 392.58 **Availability:** ✅ In Stock ## Summary > 📬 Upgrade your curbside game with security and style that neighbors envy! ## Quick Answers - **What is this?** Architectural Mailboxes 6300P-10 Locking Parcel Mailbox, X-Large, Pewter by architectural mailboxes - **How much does it cost?** € 392.58 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/106308368-architectural-mailboxes-6300p-10-locking-parcel-mailbox-x-large-pewter) ## Best For - architectural mailboxes enthusiasts ## Why This Product - Trusted architectural mailboxes brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Room for Everything:** Generous 1534 cubic inch interior fits multiple packages, magazines, and daily mail without looking bulky. - • **Built Like a Fortress:** Galvanized steel frame ensures unmatched durability and rust resistance for years of worry-free curbside protection. - • **Secure Your Deliveries:** USPS approved locking mechanism with 4 keys keeps your mail and packages safe from theft and tampering. - • **Weatherproof & Stylish:** Powder-coated pewter finish with magnetic closure and WeatherTite™ strip keeps your mail dry and your curb appeal sharp. - • **Effortless Access, Maximum Safety:** Double-door design lets you retrieve mail from the back, avoiding street hazards and enhancing convenience. ## Overview The Architectural Mailboxes 6300P-10 is a USPS approved, heavy-duty galvanized steel locking parcel mailbox with a spacious 1534 cubic inch capacity. Featuring a secure keyed lock with 4 keys, a weather-resistant powder-coated pewter finish, and a convenient double-door design for safe mail retrieval, this post-mounted mailbox combines durability, security, and sleek contemporary style. Fully assembled and compatible with Architectural Mailboxes 'J' posts, it offers a lifetime limited warranty and is engineered for long-lasting outdoor use. ## Description Meet the Oasis 360 post mounted mailbox, a true front-yard upgrade with brains, brawn, and curb appeal. This metal mailbox combines sleek design with serious security, making it a standout in our USPS approved locking mailboxes collection. The double door mailbox setup lets you grab your mail from the back, so you can skip the street and the traffic. A magnetic latch keeps the door sealed tight, and the built-in WeatherTite™ strip keeps your mail dry, even when the forecast goes sideways. With its spacious large mailbox compartment, there’s room for magazines, padded mailers, and all those impulse buys. You’ll even get four keys for family mail check duty. No need to distribute keys to your mail carrier, they deliver through the top door, securely depositing your mail in the locked compartment below. Whether you’re upgrading residential mailboxes, refreshing your curbside mailbox, or need an outdoor mailbox that can handle your mail with style, the Oasis 360 has you covered. It’s tough, trustworthy, and totally made for mailboxes for outside that do more than just sit pretty. Review: Great box for security and volume - Great XL mailbox. The size as liking design are great for security and being away. It will hold several weeks of mail and junk mail. The bronze looks great. Best looking box on my street. Review: Solid, Secure, Built to Last! - I’m extremely pleased with the Architectural Mailboxes Oasis 360. The build quality is outstanding — heavy-duty metal construction that feels solid the moment you unbox it. It has a nice weight to it, which adds to the sense of durability and stability once installed. The security is top-notch. The lockability feature works smoothly, and the locking mechanism feels sturdy, not flimsy like cheaper models. I can finally say this mailbox really keeps thieves away — I’ve had no issues with mail tampering since upgrading to this model. It’s also USPS approved, which gave me peace of mind that it meets postal standards. After several months outside, I’ve noticed no signs of rust, even through rain and humidity. The finish still looks brand new. Overall, it’s a well-engineered, rust-resistant, and highly secure mailbox that’s worth every penny. Perfect if you want both protection and style in one package. ## Features - Nullify - Built Like a Tank: This heavy duty mailbox is made of galvanized steel, & built to last—perfect for anyone needing durable metal mail boxes for outside. - Rust-Resistant from Top to Bottom: This post mounted mailbox features a tough powder-coat finish, adding an extra layer of protection to this curbside mailbox. - Spacious, Not Oversized: Large mailboxes for outside offer plenty of room for mail, plus multiple packages—without looking bulky at your curbside. - USPS Approved Peace of Mind: Built tough this USPS Approved locking mailbox is one of the most reliable mailbox with lock for outside (includes 4 keys). - Install in Minutes: Fully assembled & ready to mount. Just note: mounting hardware comes with all Architectural Mailboxes' compatible posts, not the mail box. - Post "J" Compatible: Made to mount effortlessly on all Architectural Mailboxes posts marked with letter J. - Secure Magnetic Closure: Keeps mail box door tightly shut to protect your curbside mailbox deliveries from wind and rain. - Access from Your Side: The back door on this double door mailbox lets you retrieve mail without stepping into traffic—ideal for residential mailboxes on busy roads. - Designed in the USA: Thoughtfully engineered with a focus on durability, function, and style. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DM9KQCM | | Access Location | Front | | Best Sellers Rank | #15,724 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #12 in Post-Mount Mailboxes | | Brand | ARCHITECTURAL MAILBOXES | | Brand Name | ARCHITECTURAL MAILBOXES | | Capacity | 1534 cubic inches | | Color | Pewter | | Customer Reviews | 4.6 out of 5 stars 4,114 Reviews | | Global Trade Identification Number | 00832794006339 | | Included Components | Mailbox, keys | | Included Security Features | lock | | Item Dimensions D x W x H | 20"D x 11.4"W x 11.5"H | | Item Type Name | Post Mount | | Item Weight | 11.3 pounds | | Lock Type | keyed | | Manufacturer | Architectural Mailboxes | | Manufacturer Part Number | 6300P-10 | | Manufacturer Warranty Description | Limited lifetime. | | Material | Metal | | Material Type | Metal | | Model Number | 6300P-10 | | Mounting Type | Post Mount | | Number of Items | 1 | | Product Dimensions | 20"D x 11.4"W x 11.5"H | | Security Features | lock | | Style Name | Contemporary | | UPC | 832794006339 | | Unit Count | 1 Count | ## Images ![Architectural Mailboxes 6300P-10 Locking Parcel Mailbox, X-Large, Pewter - Image 1](https://m.media-amazon.com/images/I/81HmeJqDzgL.jpg) ![Architectural Mailboxes 6300P-10 Locking Parcel Mailbox, X-Large, Pewter - Image 2](https://m.media-amazon.com/images/I/81AMdP3BsyL.jpg) ![Architectural Mailboxes 6300P-10 Locking Parcel Mailbox, X-Large, Pewter - Image 3](https://m.media-amazon.com/images/I/71HjQRD077L.jpg) ![Architectural Mailboxes 6300P-10 Locking Parcel Mailbox, X-Large, Pewter - Image 4](https://m.media-amazon.com/images/I/71f+RzdpCsL.jpg) ![Architectural Mailboxes 6300P-10 Locking Parcel Mailbox, X-Large, Pewter - Image 5](https://m.media-amazon.com/images/I/710YKfA8UFL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great box for security and volume *by F***B on July 4, 2026* Great XL mailbox. The size as liking design are great for security and being away. It will hold several weeks of mail and junk mail. The bronze looks great. Best looking box on my street. ### ⭐⭐⭐⭐⭐ Solid, Secure, Built to Last! *by E***A on November 12, 2025* I’m extremely pleased with the Architectural Mailboxes Oasis 360. The build quality is outstanding — heavy-duty metal construction that feels solid the moment you unbox it. It has a nice weight to it, which adds to the sense of durability and stability once installed. The security is top-notch. The lockability feature works smoothly, and the locking mechanism feels sturdy, not flimsy like cheaper models. I can finally say this mailbox really keeps thieves away — I’ve had no issues with mail tampering since upgrading to this model. It’s also USPS approved, which gave me peace of mind that it meets postal standards. After several months outside, I’ve noticed no signs of rust, even through rain and humidity. The finish still looks brand new. Overall, it’s a well-engineered, rust-resistant, and highly secure mailbox that’s worth every penny. Perfect if you want both protection and style in one package. ### ⭐⭐⭐⭐⭐ Perfect! *by T***A on June 9, 2026* Exactly as shown! Easy to install and use. Been using for months now with no issues!! Our mail is now secure! ## Frequently Bought Together - ARCHITECTURAL MAILBOXES 6300P-10 Oasis 360 Post Mount, Pewter, L - ARCHITECTURAL MAILBOXES 950020B-10 Centennial Black Mailbox Post Mount, XL - ARCHITECTURAL MAILBOXES 8950B-10 Chadwick Post Mount, Black, M --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/106308368-architectural-mailboxes-6300p-10-locking-parcel-mailbox-x-large-pewter](https://www.desertcart.at/products/106308368-architectural-mailboxes-6300p-10-locking-parcel-mailbox-x-large-pewter) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-08-25*