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Ar-15 Stripped Xl Upper Receiver - Xl .450 Bushmaster Stripped Upper Receiver For Ar-15 Black
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$98.99
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SKU: 100036049
Overview
Built for AR-15 setups chambered around larger-bore cartridges, this stripped upper receiver is intended for hunters and shooters who want a receiver configured for .450 Bushmaster and similar rounds. It is forged from 7075-T6 aluminum and machined to mil-spec M16/M4 specifications, with an enlarged port door opening and compatibility with AR15 port door and forward assist components. The .250 takedown pin holes and laser-engraved T-marks support a straightforward build process and practical setup. At 8.35 ounces, it offers a compact foundation for a purpose-driven rifle build without adding unnecessary features.
Why Hunters Choose the Aero Precision
Forged From
7075-T6 aluminum for a durable
Precision Machined
To mil-spec M16/M4 specifications
Enlarged Port
Door opening accommodates .458 SOCOM
Works Ar-15
AR-15 lower receivers for straightforward
Includes Laser
Engraved T-marks for easier component
Key Features
- Forged from 7075-T6 aluminum and precision machined to mil-spec M16/M4 specifications.
- Enlarged port door opening accommodates .458 SOCOM and similar rounds, including .450 Bushmaster and .50 Beowulf.
- Works with AR-15 lower receivers for a matched upper-and-lower setup.
- .250 takedown pin holes support AR-15 compatibility.
- Laser engraved T-marks and the XL Aero logo mark the receiver.
- Compatible with AR15 port door and forward assist.
- Weight listed at 8.35 ounces.
Best Used For
- Hunters building an AR-15 setup for .450 Bushmaster and similar large-bore cartridges.
- Users wanting a stripped upper receiver compatible with AR-15 lower receivers.
- Builders who prefer a receiver with enlarged port door opening for .458 SOCOM-class rounds.
- Shooter-focused setups that use AR15 port door and forward assist components.
- Those assembling a mil-spec M16/M4-spec upper receiver from Aero Precision components.
Specifications
| Blade Finish | Black |
|---|---|
| Compatibility | AR-15 lower receivers |
| Forward Assist Compatibility | AR15 forward assist |
| Logo Marking | "XL" portion of Aero Logo on Tang |
| Material | 7075-T6 aluminum |
| Port Door Compatibility | AR15 port door |
| Port Door Opening | Enlarged to fit .458 SOCOM and similar rounds (.450 Bushmaster, .50 Beowulf, etc.) |
| T Marks | Laser engraved |
| Takedown Pin Holes | .250 |
| Weight | 8.35 ounces |
Pros
- Forged from 7075-T6 aluminum for a durable upper receiver foundation.
- Precision machined to mil-spec M16/M4 specifications.
- Enlarged port door opening accommodates .458 SOCOM and similar rounds.
- Works with AR-15 lower receivers for straightforward pairing.
- Includes laser engraved T-marks for easier component reference.
- Compatible with AR15 port door and forward assist.
Considerations & Trade-offs
- This is a stripped upper receiver, so it requires additional components before it can be used as a complete setup.
- The enlarged port door opening is intended for .458 SOCOM and similar rounds such as .450 Bushmaster and .50 Beowulf, so it is more specialized than a standard upper receiver.
- Compatibility is listed with AR-15 lower receivers and AR15 port door/forward assist components, so matching parts matter for proper fit.
- The product is described with .250 takedown pin holes, which means it is tied to that specific configuration rather than a universal upper receiver fit.
Suggested Comparisons
- AR-15 upper receivers
- .450 Bushmaster-compatible upper receivers
- AR-15 lower receivers
- AR-15 port doors and forward assists
Suggested Accessories
- AR-15 lower receiver
- AR-15 port door
- Forward assist assembly
- .450 Bushmaster magazine
Frequently Asked Questions
What cartridges is the enlarged port door opening intended to accommodate?
The description says the port door opening has been enlarged to fit .458 SOCOM and other similar rounds, including .450 Bushmaster and .50 Beowulf.
Will this upper work with a standard AR-15 lower receiver?
Yes. The source states it works with AR-15 lower receivers and is meant to match with Aero Precision AR-15 lower receivers for a solid and dependable fit.
Is this a complete upper receiver?
No. This is a stripped upper receiver, so the source identifies it as an upper receiver only and does not list included internal components.
What material and specification basis are listed for this upper?
It is forged from 7075-T6 aluminum and precision machined to mil-spec M16/M4 specifications.
What other compatibility details are provided?
The source lists .250 takedown pin holes, laser engraved T-marks, and compatibility with AR15 port door and forward assist.