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Can i order this with the FSB not installed? — 2 Answers

by J, from WA, United States Asked on January 22, 2022

Name Aero Precision M4E1 10.5in 5.56 Barrel w/ FSB Complete Upper Receiver with Flash Hider (3.7)
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Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on February 10, 2022

Yes, here are some Aero Precision M4E1 5.56 Rifle Barrel Complete Upper Receivers without the FSB.
https://www.opticsplanet.com/aero-precision-m4e1-complete-upper-5-56-rifle-barrel.html?_iv_barrel-length=10-dot-5-in

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Manufacturer Answer
A
Answered by Aero Precision USA, Manufacturer from WA, United States, on February 11, 2022

Yes, here is the link upper receiver that features a Low Profile Gas Block:
https://www.opticsplanet.com/aero-precision-m4e1-complete-upper-5-56-rifle-barrel.html

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Last updated 2025-11-12 UTC.