Q&A for Aero Precision M4E1 AR-15 Threaded Stripped Upper Receiver

Aero Precision M4E1 AR-15 Threaded Stripped Upper Receiver

As Low As $134.99 Save Up to 10%

View Product

Write a Review

Have a Question about this Product?

If you have questions regarding availability, pricing, shipping options for this item or need an answer right now, .

Continue As a Guest

Nickname

Country

State

Saving...

or Register

Having an account with OpticsPlanet.com makes writing questions and answers even better! We’ll save all of your questions and answers in your account, provide you easy access to them, so you can see how the community has responded.

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.

Show

Sort by

Filter by

Rob, member, from NV, United States, asked on September 06, 2022

I bought this receiver and a Faxon 223 Wylde pencil barrel. The barrel doesn't fit in the receiver. Is one of them out of spec or is that normal?

Expert Answer

Answered by Hunter, Gear Expert, from OH, United States, on September 16, 2022

Please email us at techsales@opticsplanet.com regarding the problem you are having with the Aero Precision M4E1 Stripped Upper Receiver.

Was it helpful to you? Yes | No

View 1 More Answer Submit Your Answer

Compare

Pete, member, from CT, United States, asked on December 06, 2023

Does this upper have a 2-hole pass through for the dust cover? Are both holes for the dust cover pin drilled all the way through?

Answered by Ringinthesteel, member, from TX, United States, on June 12, 2025

Yes both holes are drilled through in my experience

0 of 1 found the following answer helpful.

Was it helpful to you? Yes | No

Submit Your Answer

Matthew, member, from AR, United States, asked on November 23, 2021

Can anyone tell me how the fitment is with a psa lower?

Answered by Matt s, member, from WI, United States, on December 26, 2021

Mine fits it totally fine.

2 of 2 found the following answer helpful.

Was it helpful to you? Yes | No

Submit Your Answer

Seang511, member, from FL, United States, asked on March 19, 2020

Are all aero precision uppers compatible with mil spec handguards?

Manufacturer Answer

Answered by Aero Precision USA, Manufacturer from WA, United States, on November 18, 2020

Correct, all of the M4E1 Threaded Upper Receivers have a standard Mil-Spec threading.

1 of 1 found the following answer helpful.

Was it helpful to you? Yes | No

Submit Your Answer

JT, guest, from AZ, United States, asked on June 06, 2026

Will this receiver work with the Midwest Industries AR-15 Free Float 1-Piece Combat Rail Handguard?

This question has not been answered yet. Can you help JT and answer this question?

Continue As a Guest

Nickname

Country

State

Saving...

or Register

If you’d like to add a question without creating an account, you can proceed with filling out the fields on this form.

FREE SHIPPING on Over 250,000 Products

Enjoy our FREE RETURNS

Q&A for Aero Precision M4E1 AR-15 Threaded Stripped Upper Receiver — 5 Questions & 5 Answers

I bought this receiver and a Faxon 223 Wylde pencil barrel. The barrel doesn't fit in the receiver. Is one of them out of spec or is that normal?

Does this upper have a 2-hole pass through for the dust cover? Are both holes for the dust cover pin drilled all the way through?

Can anyone tell me how the fitment is with a psa lower?

Are all aero precision uppers compatible with mil spec handguards?

Will this receiver work with the Midwest Industries AR-15 Free Float 1-Piece Combat Rail Handguard?