2-1 Clean the Rifle

  
  

6 of 27

   A5.  Clean the buffer and inside lower receiver extension.
 B.  Clean the bolt carraige group.
   B1.  The outer and inner bolt surfaces of the bolt carrier.
   B2.  Clean the carrier key.
   B3.  The firing pin recess and firing pin.
   B4.  The firing pin hole.

Clean the buffer and inside the lower
receiver extension.