Aero Precision M4E1 Black Anodized AR-15 Stripped Lower Receiver
The Aero Precision M4E1 Black Anodized AR-15 Stripped Lower Receiver is a 5.56 NATO parts from Aero Precision. It is available from 2 vendors at $102.42 to $127.99.
Product Information
Name: Aero Precision M4E1 Black Anodized AR-15 Stripped Lower Receiver
Brand: Aero Precision
Category: Parts
Caliber: 5.56 NATO
UPC: 815421022315
SKU: UCEM4FVcp
Description
The Aero Precision M4E1 Stripped Lower Receiver in Black is an AR-15-compatible lower machined from 7075 T6 aluminum with a black hardcoat anodized finish. It has a threaded bolt catch pin hole, threaded takedown detent pin hole, and an upper tension screw. The upper tension screw lets you tighten the fit between upper and lower receivers to eliminate play.
Key Specifications
- Brand: Aero Precision
- Model: M4E1
- Category: Lowers
- Caliber: AR-15 compatible
- Series: Stripped Lower Receiver
- Type: Lower Receiver
- Finish: Black Hardcoat Anodized
- Material: 7075 T6 Aluminum
- Gun Model: AR-15
- Gun Type: AR Platform
- Trigger: None (stripped lower)
- Notable Features:
- Threaded bolt catch pin hole
- Threaded takedown detent pin hole
- Upper tension screw
Detailed Features
7075 T6 aluminum is the mil-spec material for AR lower receivers, giving good strength at the weight you'd expect. The hardcoat anodize is durable. The upper tension screw is a practical addition: it lets you dial out the rattle between upper and lower without fitting them to specific parts. The threaded pin holes simplify installation of the bolt catch and takedown pin detent, which are two of the more finicky steps in a standard AR assembly. Ships stripped with no lower parts kit included.
Complete Specifications
| Caliber | 5.56 NATO |
| Model | M4E1 Stripped Lower |
| Magazines included | 0 |
| Color | Black |
Frequently Asked Questions
Who makes the M4E1 Stripped Lower?
Aero Precision makes the M4E1 Stripped Lower Receiver.
What caliber is the M4E1 Stripped Lower compatible with?
It is AR-15 compatible and chambered for 5.56 NATO / .223 Remington.
What material is the M4E1 Stripped Lower made from?
It is machined from 7075 T6 aluminum with a black hardcoat anodized finish.
What notable features does the M4E1 Stripped Lower include?
It has a threaded bolt catch pin hole, a threaded takedown detent pin hole, and an upper tension screw that lets you dial out play between the upper and lower receivers.
Does the M4E1 Stripped Lower come with a lower parts kit?
No. It ships stripped with no lower parts kit included.
Where can I buy the M4E1 Stripped Lower?
Compare current vendor offers on this page.
Customers Say
AI-generated insights derived from customer reviews and discussions on popular gun-enthusiast forums.
The Aero Precision M4E1 Black Anodized stripped lower is a common recommendation in the AR builder community for a reason: it's dimensionally consistent, the finish is even, and it assembles cleanly with standard lower parts kits and upper receivers. Builders at all experience levels report straightforward assembly and reliable fitment. The upper tension screw gets specific positive mentions from people who want to tighten up the upper-lower interface.
The main considerations are price -- Aero sits above budget options -- and availability, which can be tight during high-demand periods. Some builders comparing it to higher-end options note it lacks a few premium features, but for a stripped lower that forms the foundation of a standard AR build, most users find it has what they need. Overall sentiment is consistently positive.
Where to Buy - 2 Offers Available
Price Range: $102.42 - $127.99
| Vendor | Price | Condition | Link |
|---|---|---|---|
| Gunbuyer Com | $102.42 | New | Buy Now |
| Grabagun Com | $127.99 | New | Buy Now |
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