Concept Development Corporation (CDC) invented the first practical laser boresighter over 10 years ago. Today, CDC manufactures thousands of SITELITE Mag Laser Boresighters every year. Over 100,000 SITELITE Laser Boresighters are in use by sportsmen, law enforcement, and all branches of the U.S. Military. The U.S. Navy uses them on their Blackhawk helicopter gunships and on ships. The Marines use them to boresight and test weapons at their depot. The Air Force uses them to boresight their M16 rifles and Army Special Forces use them in Iraq.