Image unavailable
M4e1 Threaded Assembled Receiver Sets - M4e1 Threaded Assembled Receiver Set For Ar15 Anodized Black
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$210.99
View on Brownells
You'll be taken to Brownells to complete your purchase.
Hunter's Outpost earns a commission from affiliate links at no extra cost to you.
SKU: 430103047
Overview
Built for AR15 builders who want a more straightforward receiver setup, this assembled set centers on features that simplify installation and help create a secure fit between upper and lower components. The threaded bolt catch roll pin, integrated trigger guard, and threaded takedown pin detent recess are all aimed at making assembly cleaner and reducing the chance of finish damage during installation. A nylon-tipped upper tension screw lets users fine tune the receiver fit with standard AR15 uppers, which may be useful for those who value a tighter, more controlled build. Finished in anodized black, it presents a restrained, purpose-driven option from Aero Precision for a serious custom rifle project.
Why Hunters Choose the Aero Precision
Threaded Bolt
Catch roll pin supports simpler
Integrated Trigger
Guard removes separate tabs for
Upper Tension
Standard AR15 uppers
Threaded Takedown
Pin detent recess adds a
Anodized Black
Finish offers a clean, subdued
Key Features
- Threaded bolt catch roll pin simplifies installation and includes the pin.
- Integrated trigger guard is built into the lower receiver for a more rigid platform.
- Upper tension screw lets users fine tune fit between upper and lower receivers.
- Nylon-tipped tensioning set screw is inserted in the lower receiver grip tang.
- Threaded takedown pin detent recess is included in the M4E1 lower receiver design.
- Assembled receiver set is offered by Aero Precision in anodized black.
Best Used For
- AR-15 builders wanting simpler bolt catch installation and less finish damage risk
- Users seeking an integrated trigger guard for a more rigid lower receiver platform
- Builders who want to fine-tune upper-to-lower fit with a tension screw
- Anyone assembling a standard AR-15 upper with a receiver set designed for compatibility
- Hunters and shooters prioritizing a cleaner, more straightforward lower receiver build
Specifications
| Blade Finish | Anodized Black |
|---|---|
| Grip Tang | Lower receiver grip tang |
| Integrated Trigger Guard | Included |
| Lower Receiver | M4E1 |
| Nylon Tipped Tensioning Set Screw | Included |
| Pin Included | Yes |
| Platform | AR15 |
| Receiver Set Type | Assembled Receiver Set |
| Takedown Pin Detent Recess | Threaded |
| Threaded Bolt Catch Roll Pin | Included |
| Upper Receiver Compatibility | Any standard AR15 upper receiver |
| Upper Tension Screw | Included |
Pros
- Threaded bolt catch roll pin supports simpler installation and includes the pin.
- Integrated trigger guard removes separate tabs for a more rigid lower receiver.
- Upper tension screw lets users fine tune fit with standard AR15 uppers.
- Threaded takedown pin detent recess adds a more user-friendly assembly detail.
- Anodized black finish offers a clean, subdued appearance for the build.
- Aero Precision M4E1 receiver set is purpose-built for AR15 assembly.
Considerations & Trade-offs
- The integrated trigger guard changes the lower’s layout, so it’s best suited to builders who want this specific M4E1 configuration rather than a traditional AR15 lower profile.
- The upper tension screw is intended to fine tune fit with a standard AR15 upper receiver, but it adds an adjustment step that some users may not need.
- The threaded bolt catch roll pin is designed to simplify installation, but the receiver set still requires proper assembly and attention to detail.
- The anodized black finish is straightforward and utilitarian, but it may not match every build aesthetic.
Suggested Comparisons
- AR-15 lower receivers
- AR-15 upper receivers
- Stripped receiver sets
- AR-15 lower parts kits
Suggested Accessories
- AR15 upper receiver
- Lower receiver parts kit
- Bolt catch installation tool
- AR15 grip
Frequently Asked Questions
What is included in the M4E1 Threaded Assembled Receiver Set?
The provided description identifies it as an assembled receiver set, but it does not list a full contents breakdown beyond the M4E1 lower receiver features and the included bolt catch pin.
Does this receiver set work with standard AR15 uppers?
Yes. The description states that the upper tension screw provides a tight fit with any standard AR15 upper receiver.
What is the purpose of the threaded bolt catch roll pin?
It is designed to make bolt catch installation simpler and to reduce the chance of damaging the finish during installation. The pin is included.
What advantage does the integrated trigger guard provide?
According to the description, integrating the trigger guard into the lower eliminates the possibility of breaking the trigger guard tabs and creates a stronger, more rigid platform.
Can the upper-to-lower fit be adjusted?
Yes. The upper tension screw allows users to fine tune the fit of the upper and lower receiver using a nylon-tipped tensioning set screw.