Understanding MOA
http://www.youtube.com/watch?v=VA2PZ...feature=relmfu

Wind Estimation and Compensation
http://www.youtube.com/watch?v=p026Y...feature=relmfu

Understanding Mils (Milliradians) - Rifle Shooting Technique - NSSF Shooting Sportscast
http://www.youtube.com/watch?v=S5AGs...feature=relmfu