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JE Machine's website lists what appears to be this exact tube as being 6061 aluminum. OpticsPlanet lists it as 7075. Which is correct? — 1 Answer

by BrotherJack, from ID, United States Asked on March 25, 2020

Name JE Machine Tech AR-15/M4 Adjustable 8 Position Fluted Buffer Tube (4.5)
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Answered by Brandon B, Gear Expert, from IL, United States, on August 30, 2021

I will always refer to the information provided by the manufacturer on the website for that item. Our AR15 8 Position Buffer Tube is machined from high strength 6061 T6 grade aluminum to Mil Spec diameter to fit your favorite Mil-Spec carbine butt stocks.

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