AR Receiver

cbxjeff

November 17, 2025 23:45

Does a AR-15 and AR-10 lower interchange? If not can the 15 be modified to work? Thanks folks.

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  Mr. Perfect

  November 18, 2025 00:32

  Nope. They don't interchange, and the 15 can't be modified to work. They are different sizes.

   

  A5-10 is a longer action that accommodates larger/longer rounds like .308

  AR-15 is a shorter action that accommodates the well known .223/5.56 and other smallish calibers

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