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- Caliber:
- 5.56x45mm NATO
- Overall Length:
- 30 in
- Barrel Length:
- 20 in
- Barrel Profile:
- Government
- Gas System Length:
- Rifle Length
- Barrel Twist Rate:
- 1-7
- Firearms Threads Per Inch:
- 1/2x28
- Muzzle Device:
- A2 Flash Hider
- Finish:
- QPQ Corrosion Resistant
- Color:
- Black Anodized
- Gun Model:
- AR-15
- Gas Block Journal Size-Diameter:
- .750 in
- Handguard Length:
- 15 in
- Weight:
- 26 oz, 70 oz
- Condition:
- New
- Included Accessories:
- None
Code: 29D-UFH-AEPATL20-APAR700705M48
MPN: APAR700705M48
UPC: 840014602179
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Made in USA
Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.
Product Info for Aero Precision M4E1 Threaded 20in 5.56 Complete Upper Receiver with Flash Hider
This complete upper includes our ATLAS R-ONE Handguard. The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.![]()
Specifications for Aero Precision M4E1 Threaded 20in 5.56 Complete Upper Receiver with Flash Hider:
| Manufacturer: | Aero Precision |
| Caliber: | 5.56x45mm NATO |
| Overall Length: | 30 in |
| Barrel Length: | 20 in |
| Barrel Profile: | Government |
| Gas System Length: | Rifle Length |
| Barrel Twist Rate: | 1-7 |
| Firearms Threads Per Inch: | 1/2x28 |
| Muzzle Device: | A2 Flash Hider |
| Finish: | QPQ Corrosion Resistant |
| Color: | Black Anodized |
| Gun Model: | AR-15 |
| Fabric/Material: | Chrome Moly Vanadium |
| Gas Block Journal Size-Diameter: | .750 in |
| Handguard Length: | 15 in |
| Gun Rail: | Picatinny |
| Gun Type: | Rifle |
| Gun Make: | AR Platform |
| Weight: | 26 oz, 70 oz |
| Magazine Included: | No |
| Condition: | New |
| Included Accessories: | None |
| Country of Origin: | USA |
Features of Aero Precision M4E1 Threaded 20in 5.56 Complete Upper Receiver with Flash Hider
- Enhanced forging that gives the upper receiver a "billet look".
- Picatinny profile that blends seamlessly with our Enhanced Series Handguards.
- .250 takedown pin holes.
- Laser engraved T-marks.
- Includes port door and forward assist installed.
- Full top picatinny rail for optional attachments.
- Quick disconnect sling socket at the 3, 6 and 9 o'clock positions.
- Compatible with low profile gas blocks.
- Compatible with mil-spec AR15 upper receivers and barrels.
Package Contents:
- Aero Precision M4E1 Threaded 20in 5.56 Complete Upper Receiver with Flash Hider
Aero Precision M4E1 Threaded 20in 5.56 Complete Upper Receiver with Flash Hider Orderable Models
List of Orderable Models
- Aero Precision M4E1 Threaded 5.56mm Complete Upper Receiver, 20in, 1-7 Twist, A2 Flash Hider, ATLAS R-ONE Handguard, Black Anodized, APAR700705M48 , MPN: APAR700705M48 , UPC: 840014602179 , Code: 29D-UFH-AEPATL20-APAR700705M48