How the AR 15 Bolt Carrier Group Works

Fun Gun Reviews Presents: "How the AR 15 Bolt Carrier Group Works". This is No. 4 in the How to AR-15 Series. Demonstrating how the BCG interacts and locks with the barrel, How the Direct Impingement system relates to the BCG and details about how the charging handle functions. Sootch00 Fun Gun Reviews FaceBook Page: https://www.facebook.com/Sootch00FunG... Thanks for watching~ Sootch00