Angstadt AR15 BCG

The heart of a reliable AR-15 build is a quality 5.56 and 9mm bolt carrier group assembly. These are the same high quality BCG's Angstadt makes for law enforcement and military groups around the world. Machined to mil-spec dimensions and finished in a beautiful black nitride finish, this bolt will continue to run and looks great doing so.

• For Use with a Standard AR-15 Hammer
• QPQ Black Nitride Finish
• Machined from 8620 Alloy Steel
  
• 5.56 Bolt is machined from Carpenter 158 tool steel
• High pressure tested