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Is the ar10 version longer/deeper then the ar15 version? — 1 Answer

by Miguel Landeros, from NV, United States Asked on March 24, 2021

Name 2A Armament 8 Position Billet Buffer Tube (4.6)
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Answered by Tom B, Gear Expert, from IL, United States, on August 27, 2021

The Ar-15 version just says carbine length, while the AR-10 version says carbine length but states a length of 8". The carbine one weighs 3.45oz and AR-10 weighs 3.65oz. Both share the Milspec extension diameter of 1.148 with a thread diameter of 1.185.

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Last updated 2025-11-12 UTC.