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M4e1 Threaded Assembled Receiver Sets - M4e1 Threaded Assembled Receiver Set For Ar-15 Fde Cerakote
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$334.98
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SKU: 430103048
Overview
Built for AR-15 builders who want a cleaner assembly process and a more refined receiver fit, this assembled receiver set centers on practical installation features rather than cosmetic extras. The threaded bolt catch roll pin, integrated trigger guard, and threaded takedown pin detent recess are designed to simplify setup and reduce the chance of finish damage during assembly. An upper tension screw lets users fine tune the fit between upper and lower receiver for compatibility with standard AR-15 uppers. Finished in FDE Cerakote, it suits hunters and shooters putting together a rifle that needs a solid, purpose-driven foundation.
Why Hunters Choose the Aero Precision
Threaded Bolt
Catch roll pin simplifies installation
Integrated Trigger
Guard creates a more rigid
Upper Tension
Screw lets users fine tune
Compatible Any
Any standard AR15 upper receiver
Threaded Takedown
Pin detent recess adds a
Key Features
- Threaded bolt catch roll pin simplifies bolt catch installation and includes the pin.
- Integrated trigger guard is built into the lower receiver for a stronger platform.
- Upper tension screw lets users fine tune fit between upper and lower receivers.
- Uses a nylon-tipped tensioning set screw in the grip tang.
- Threaded takedown pin detent recess is included in the lower receiver design.
- Compatible with any standard AR15 upper receiver.
Best Used For
- Builders assembling an AR-15 with standard upper receivers and a tighter receiver fit.
- Users who want simpler bolt catch installation during lower receiver assembly.
- Anyone prioritizing an integrated trigger guard for a more rigid lower receiver platform.
- Builders looking to reduce finish damage risk during bolt catch installation.
- Shooters wanting a threaded takedown pin detent recess in the lower receiver.
Specifications
| Integrated Trigger Guard | Yes |
|---|---|
| Standard Compatibility | Any standard AR15 upper receiver |
| Tension Screw Type | Nylon tipped tensioning set screw |
| Threaded Bolt Catch Roll Pin | Included |
| Threaded Takedown Pin Detent Recess | Yes |
| Upper Tension Screw | Yes |
Pros
- Threaded bolt catch roll pin simplifies installation and includes the pin.
- Integrated trigger guard creates a more rigid lower receiver platform.
- Upper tension screw lets users fine tune upper and lower receiver fit.
- Compatible with any standard AR15 upper receiver.
- Threaded takedown pin detent recess adds a practical assembly feature.
- FDE Cerakote finish is specified in the product title.
Considerations & Trade-offs
- The upper tension screw is intended for fine-tuning receiver fit, so setup may take a little extra adjustment compared with a standard lower receiver.
- The integrated trigger guard changes the lower’s design, which may matter if you prefer a more conventional receiver layout.
- The threaded bolt catch roll pin is designed to simplify installation, but it still requires careful assembly to avoid finish damage.
- This is a receiver set only; additional AR-15 components are needed to complete a build.
Suggested Comparisons
- AR-15 lower receiver
- AR-15 upper receiver
- AR-15 receiver set
- AR-15 lower parts kit
Suggested Accessories
- AR-15 upper receiver
- AR-15 lower parts kit
- AR-15 grip
- AR-15 magazine
Frequently Asked Questions
What is included in the M4E1 Threaded Assembled Receiver Set?
The provided data identifies it as an assembled receiver set for an AR-15, but it does not list a full included-parts breakdown beyond the M4E1 lower receiver features and the threaded bolt catch roll pin being included.
What makes the M4E1 lower receiver different from a standard lower?
According to the product data, it includes a threaded bolt catch roll pin, an integrated trigger guard, an upper tension screw, and a threaded takedown pin detent recess.
Does this receiver set work with standard AR-15 uppers?
Yes. The description says the upper tension screw is designed to provide a tight fit with any standard AR15 upper receiver.
What is the purpose of the upper tension screw?
The upper tension screw lets users fine tune the fit between the upper and lower receiver using a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver.
What finish is listed for this receiver set?
The product title lists FDE Cerakote.