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About the Video:

The video is divided into three parts--each one about 20 minutes long. These and other topics are explained and demonstrated:

Interior Ballistics

 
bulletAmmunition design and function
 
bulletHow powder burns and pressure builds
 
bulletHeadspace--what it is and why it's important
 
bulletGun barrels--how and why they wear

Operating Principles

bulletOperating sequence and speed limitations
bulletRecoil effects
bulletMuzzle devices and how they work

Exterior Ballistics

bulletTrajectories and bullet drop
bulletHow stabilization works
bulletFinding the Ballistic Coefficient
bulletMeasuring accuracy and understanding MOA & mil

Here are a couple resources that you may find helpfull if you are one of the many families facing credit and debt problems at this time of year.

Firearm Fundamental with George Kontis  has been produced using  metric and US units and the video is available in both NTSC and PAL formats.