2-1 Clean the Rifle

  
  

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 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.
   B5.  The locking lugs.

Clean the bolt carrier group, wiping
the following parts with swabs and
other parts from the small arms
maintenance equipment case.