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Q&A for Aero Precision M4E1 AR-15 10.5in 5.56 Rifle Barrel Complete Upper Receiver with Flash Hider — 11 Questions & 1 Answers

Name Aero Precision M4E1 AR-15 10.5in 5.56 Rifle Barrel Complete Upper Receiver with Flash Hider (4.8)
As Low As $459.99 Save 10%
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Q
duce, member, from PA, United States, asked on March 21, 2024

Is the flash hider threaded? I mean it usually says pinned and welded.

A
Answered by Inc0g N33t0, guest, from CA, United States, on November 11, 2025

When its pinned and welded its typically to be in compliance (in states) with 16" minimums. A Pistol or SBA has little to no reason to have pinned and welded..

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Q
Fred Bear, guest, from MS, United States, asked on June 19, 2025

Will this mount on a colt le6920 lower

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Q
ARtinkerr, member, from OR, United States, asked on September 14, 2024

Can you double check the gas length? Rifle length on 10.5” barrel is not possible.

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Q
K.K., member, from AZ, United States, asked on July 23, 2024

Would this be compatible with a Diamond Back DB-15 lower?

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Q
jhernandez, member, from CA, United States, asked on May 21, 2024

Does this upper come with a gas block/gas line?

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Q
duce, member, from PA, United States, asked on March 21, 2024

Is this threaded?

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Q
Will, guest, from UT, United States, asked on January 09, 2024

Would this fit on a smith and Wesson m and p sport 2 lower ?

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Q
P, guest, from TX, United States, asked on December 29, 2023

How is this a complete upper without the bcg and charging handle? It’s literally incomplete.

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Q
Juan, member, from TX, United States, asked on December 28, 2023

Is the flash hider removable

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