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1. What is the diameter of this tube? 2. What is the tubes length? — 1 Answer

by JustaNobody, from AZ, United States Asked on October 27, 2021

Name Guntec USA AR-15 A2 Buffer Tube (5)
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Answered by Ethan, Gear Expert, from IL, United States, on June 29, 2022

The Guntec USA AR-15 A2 Buffer Tube is 10" in overall length and has an outside diameter of 1.115". At the stop ring, the outside diameter is 1.20".

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Last updated 2025-11-12 UTC.