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Bolt Carrier Group - BCG

Posted by KAT on 28th Aug 2015

The Bolt Carrier Group in your typical AR15 is where is all complex moving parts operate. The BCG holds the bolt (7) and it's
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Building Your Own AR-15 - Part 5 of 10 - The BCG

Posted by KAT on 29th Apr 2015

The BCG or Bolt Carrier Group is a “group” of parts that work together to load a cartridge into the chamber (batte
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