AR bolt and carrier

[30-30remchester]

Hello, I am new to the AR style firearm and am studying their construction. My question is, who is building the best bolt and carrier? I prefer milled construction.

[Mrgunsngear]

My video below should help you out:

http://i96.photobucket.com/albums/l178/tiffani33/Picture4-2_zps5edf2558.png

How to select an AR-15 BCG HD Video Link (http://www.youtube.com/watch?v=fjSYdLjD_No)

[Quentin2]

Very good video! I've also had excellent performance from BCM and Daniel Defense BCGs.