Aero Precision M4E1 Threaded Assembled Upper Receiver for AR-15
or 4 interest-free payments of $40.00 with
6 Magazines Per Order: Due to extreme volume, we are limiting sales of magazines to 6 per customer order. This applies to individual and bundled magazines. AT3 reserves the right to cancel any order over the 6 magazine limit.
- Free standard shipping on orders $139+ details
- 90-day no-hassle returns policy
- Backed by the Aero Precision Warranty! what it covers
Frequently bought together
From orders that included this itemProduct description
Threaded High-Quality Upper Receiver To Make Your AR Build Stand Out
The Aero Precision M4E1 Threaded Assembled Upper Receiver is a bold new offering from Aero Precision that features a new angular machined design that helps it stand apart from standard mil-spec upper receivers.
This upper receiver features the same enhanced body profile as the M4E1 Enhanced Upper Receiver but is threaded to accept a standard AR15 barrel nut. It is forged from 7075-T6 Aluminum, precision machined to work with all mil-spec AR15 parts, and includes the port door and forward assist pre-installed.
Gives Your Upper Receiver A “Billet Look”
The Aero Precision M4E1 Threaded Assembled Upper Receiver features M4 feedramps, .250 takedown pin holes, and laser engraved T-marks. It’s available in anodized black and FDE Cerakote as color options.
It is also designed to pair perfectly with the new M4E1 Lower Receiver, giving you a billet looking receiver set that will make your rifle stand out with great looks and performance.
Features:
- New enhanced forging that gives the upper receiver a “billet look”
- New Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards
- M4 Feedramps
- .250 takedown pin holes
- Includes threaded forward assist roll pin
- Includes port door and forward assist
Specifications:
- Platform: AR15
- Material: Machined from 7075-T6 forged aluminum
- Finish
- Anodized: Black, OD Green, Kodiak Brown
- Cerakote: Magpul Flat Dark Earth, OD Green, or Sniper Grey
- Compatibility: Works with standard AR15/M16 components
- Weight(s): 8.65 oz
- Barrel Nut Torque – 50 ft-lbs
- Made In America: Yes
All 6 options on this page
- Aero Precision M4E1 Threaded Assembled Upper Receiver for AR-15 - Color: Anodized Kodiak Brown | SKU: APAR700222AC
- Aero Precision M4E1 Threaded Assembled Upper Receiver for AR-15 - Color: Anodized OD Green | SKU: APAR700220AC
- Aero Precision M4E1 Threaded Assembled Upper Receiver for AR-15 - Color: Black | SKU: APAR700201AC
- Aero Precision M4E1 Threaded Assembled Upper Receiver for AR-15 - Color: OD Green | SKU: APAR700417AC
- Aero Precision M4E1 Threaded Assembled Upper Receiver for AR-15 - Color: Gray | SKU: APAR700272AC
- Aero Precision M4E1 Threaded Assembled Upper Receiver for AR-15 - Color: Flat Dark Earth | SKU: APAR700202AC
Customer reviews 6
AT3 Tactical · Thank you for taking the time to leave a review for the Aero Precision M4E1 Threaded Assembled Upper Receiver! We are so glad to hear that you had an awesome experience and that your product was shipped quickly. We strive to make our site easy to use and provide fast shipping for our customers. Thank you for your support and recommendation!
Don't be concerned about ordering aero products, they are as good as it gets as far as quality fit and finish are concerned.
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
AT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
Questions & Answers
No questions yet. Ask about fit, install or compatibility and our team answers within a business day.
Warranty & returns
Backed by the Aero Precision Warranty!
Aero Precision Warranty
If for any reason you have a warranty issue with one of our products, please contact us at 253-272-8188.
Please describe your situation, include your name and order number or transaction id. One of our technical specialists will then review your claim and contact you within 3-5 business days.
If you have images to send, please email them to support@aeroprecisionusa.com
Damaged Items
In regards to claims dealing with damaged or blemished products, we ask that you create a Help Desk Ticket on your My Account page. If you don’t have an account with us, please go to the Contact Us page and fill out the form for review within 72 hours upon receiving the shipment.
If you have images to send, please email them to support@aeroprecisionusa.com
Failed Background Check
There will be a 30% restocking fee on all lower receivers returned because of failed background checks.
Disclaimer: Manufacturer’s warranty is subject to change without prior notice.
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.



