2-1 Assemble the Rifle

  
  

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 7.  Put the firing pin retaining pin in.
 8.  Pull the bolt back.
 9.  Place the charging handle.
 10.  Slide the bolt carrier into the upper receiver.
 11.  Push the charging handle and bolt carrier together.
 12.  Join the upper and lower receiver.

Put the firing pin retaining pin in the
bolt carrier to seat it.