2-1 Clean the Rifle

   
   

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   B4.  The firing pin hole.
   B5.  The locking lugs.
   B6.  Clean behind the bolt ring and under the lip of the extractor.
 C.  Clean the following rifle parts.
   C1.  Lugs in the barrel extension, bore, and chamber.
   C2.  Bolt carrier.

Clean the firing pin hole with a pipe
cleaner.