Aero Precision AR15 XL Upper Receiver - Enhanced Ejection Port
The Aero Precision AR15 XL Upper Receiver - Enhanced Ejection Port is a parts from Aero Precision. It is available from 1 vendor at $126.99.
Product Information
Name: Aero Precision AR15 XL Upper Receiver - Enhanced Ejection Port
Brand: Aero Precision
Category: Parts
UPC: 815421027440
SKU: UCEM4FWxU
Description
The Aero Precision AR15 XL Assembled Upper Receiver is built from 7075 T6 aluminum and weighs 8.35 oz. The defining feature is an enlarged port door opening that accommodates larger-diameter brass — specifically designed for .450 Bushmaster, .458 SOCOM, and .50 Beowulf. It's laser-marked with the "XL" designation and anodized black.
Key specifications
- Model: AR15 XL Assembled Upper Receiver
- Type: Uppers
- Condition: New in Box
- Finish: Black Anodized
- Manufacturer: Aero Precision
- Manufacturer part number: APAR611310AC
- UPC: 815421027440
- Receiver material: 7075 T6 Aluminum
- Weight: 8.35 oz
- Port door opening: Enlarged for .450 Bushmaster, .458 SOCOM, .50 Beowulf
Features
The XL designation means one thing practically: the ejection port is opened up to handle the larger case heads on big-bore AR calibers. Standard AR-15 uppers struggle with reliable ejection on .458 SOCOM and .50 Beowulf — the XL solves that problem at the receiver level without any machining.
It uses standard AR-15 port doors and forward assists, so you're not sourcing proprietary parts. Fits standard mil-spec lowers. At 8.35 oz the weight is in line with a standard upper despite the beefed-up port opening.
Complete Specifications
| Model | AR15 XL Assembled Upper Receiver |
| Magazines included | 0 |
| Weight | 8.35 oz |
| Color | Black |
Frequently Asked Questions
Who makes the AR15 XL Assembled Upper Receiver?
Aero Precision makes the AR15 XL Assembled Upper Receiver.
What is the AR15 XL Assembled Upper Receiver made of?
It is machined from 7075 T6 aluminum and finished in black anodize.
What calibers is the AR15 XL Assembled Upper Receiver designed for?
The enlarged ejection port is designed for .450 Bushmaster, .458 SOCOM, and .50 Beowulf.
What type of part is the AR15 XL Assembled Upper Receiver?
It is an AR-15 upper receiver — a firearm part in the Parts category.
What does the XL designation mean on the Aero Precision AR15 XL?
XL refers to the enlarged ejection port opening, which accommodates the larger case heads found on big-bore AR calibers like .458 SOCOM and .50 Beowulf.
Where can I buy the AR15 XL Assembled Upper Receiver?
Compare current vendor offers on this page.
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
Owners of the Aero Precision AR15 XL upper are generally satisfied, and most bought it specifically for the enlarged ejection port on a big-bore build. That's the main reason to choose this over a standard Aero upper, and it delivers — ejection reliability on .458 SOCOM and .50 Beowulf improves noticeably compared to using a standard upper.
Build quality gets the usual Aero Precision praise: solid construction, clean fit with standard lowers, and good alignment without needing adjustments. Most owners report clean installation, though some mention minor tweaks depending on their specific lower receiver.
Performance reviews are positive — owners report reduced ejection-related malfunctions, which is exactly what the XL is designed to address.
On pricing, opinions split the usual way for Aero products: most feel the quality justifies it; some think comparable options exist for less. Aesthetics are personal — the black anodized finish is clean and functional, and the XL laser mark is subtle. Customer service experiences from Aero are generally positive.
If you're building a big-bore AR, this upper is a logical starting point.
Where to Buy - 1 Offers Available
Price Range: $126.99 - $126.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Grabagun Com | $126.99 | New | Buy Now |
