This video addresses a common AR-15 malfunction: the bolt failing to close (go into battery). Brownells Gun Techs Caleb Savant and Steve Ostrem identify five primary causes. These include an overloaded magazine, excessive grease in the chamber (especially on new firearms), a worn-out buffer spring in older rifles, improper manipulation of the charging handle, and issues with reloaded ammunition due to improperly resized cases. The video offers practical solutions for each scenario, emphasizing simple fixes like cleaning, proper magazine loading, and charging handle technique.
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