Angstadt Aa56bcgnit Ar15 556 Bcg The Heart Of a Reliable AR-15 Build Is a Quality 5.56 Bolt Carrier Group Assembly. These Are The Same High Quality BCGs 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. Model: Bolt Carrier Assembly Material: 8620 Steel Finish: QPQ Black Nitride
