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Ar-15 Upper Receiver Assembled No Auto Sear Cut - 5.56mm Assembled Upper Rcvr No Auto Sear Cut For Ar-15 Fde
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
Built for shooters who need an AR-15 upper receiver configured without an auto sear cut, this assembled unit is intended for single-shot use and fits into the broader AR-15 parts ecosystem.
$129.99
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SKU: 100026424
Overview
Built for shooters who need an AR-15 upper receiver configured without an auto sear cut, this assembled unit is intended for single-shot use and fits into the broader AR-15 parts ecosystem. It is chambered in 5.56 NATO and includes standard features such as an ejection-port cover, forward assist, M4-style feedramps, and .250-inch takedown pin holes. The assembled format makes it a straightforward option for a compliant build where those specific receiver features are required. For buyers comparing component options, this is a purpose-driven upper rather than a general-purpose upgrade piece.
AI Recommendation
Built for shooters who need an AR-15 upper receiver configured without an auto sear cut, this assembled unit is intended for single-shot use and fits into the broader AR-15 parts ecosystem.
Why Hunters Choose the Aero Precision
Chambered 5.56
NATO for standard AR-15 compatibility
Includes Ejection-port
Cover and forward assist
M4-style Feedramps
Machined .250-inch
.250-inch takedown pin holes
Ships Completely
Assembled for straightforward installation
Key Features
- Assembled AR-15 upper receiver from Aero Precision
- No auto sear cut design
- Chambered in 5.56 NATO
- Includes an ejection-port cover and forward assist
- Features M4-style feedramps
- Machined with .250-inch takedown pin holes
Best Used For
- European AR-15 owners needing a compliant upper receiver for single-shot use
- Users building a standard-spec AR-15 upper with ejection-port cover and forward assist
- Shooters seeking a 5.56 NATO upper with M4-style feedramps
- Builders requiring .250-inch takedown pin holes for compatible AR-15 setups
Specifications
| Assembly Status | Assembled |
|---|---|
| Auto Sear Cut | No Auto Sear Cut |
| Blade Finish | FDE |
| Chambering | 5.56 NATO |
| Designed For | Single-Shot Use |
| Ejection Port Cover | Included |
| Feedramps | M4-style |
| Forward Assist | Included |
| Ships Completely Assembled | Yes |
| Takedown Pin Holes | 0.250-inch |
Pros
- Chambered in 5.56 NATO for standard AR-15 compatibility.
- Includes an ejection-port cover and forward assist.
- Features M4-style feedramps.
- Machined with .250-inch takedown pin holes.
- Ships completely assembled for straightforward installation.
- Configured with no auto sear cut for single-shot use.
Considerations & Trade-offs
- Designed for single-shot use, so it is not intended for standard semi-automatic AR-15 configurations.
- The no-auto-sear-cut design limits compatibility to users who specifically need this configuration.
- It is described as matching standard AR-15 upper receiver specifications, but the listing does not provide details on included barrel, bolt carrier group, or other complete upper components.
- The product is listed as an assembled upper receiver, so additional parts may still be required depending on the build.
Suggested Comparisons
- AR-15 upper receivers
- AR-15 lower receivers
- AR-15 parts and accessories
- 5.56 NATO rifle components
Suggested Accessories
- AR-15 lower receiver
- Ejection-port cover
- Forward assist assembly
- Takedown pin set
Frequently Asked Questions
What is this upper receiver designed for?
It is described as designed for single-shot use and for buyers who are not legally allowed to possess components that function with an installed auto sear in the AR-15 lower.
What caliber or chambering is listed for this upper receiver?
The long description states that it is chambered in 5.56 NATO.
Does this upper receiver include standard AR-15 features?
Yes. The description says it matches standard AR-15 upper receiver specifications and includes an ejection-port cover and a forward assist.
What other specifications are provided?
The listed features include M4-style feedramps and .250-inch takedown pin holes. It also ships completely assembled.
Who is the manufacturer?
The manufacturer listed in the data is Aero Precision.