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What type of stainless steel is the barrel made of? — 1 Answer

by Atlas, from CA, United States Asked on September 11, 2022

Name Aero Precision M4E1-T 16in .223 Wylde RM15 Complete Upper Receiver (5)
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Answered by Ethan, Gear Expert, from IL, United States, on September 21, 2022

The Aero Precision ATLAS M4E1-T .223 Wylde Complete Upper features a 416R Stainless Steel barrel which has been high pressure tested and magnetically particle inspected.

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