Notice: This is the official website of the All Empires History Community (Reg. 10 Feb 2002)
For more photos go here:
http://media.militaryphotos.net/photos/Mexican-Special-Force s
The weapon those guys are carrying is the Barret M8A1 .By the way the people of that pic are members of the Airborne Special Forces Group.
http://www.barrettrifles.com/rifles/rifles_82A1.htm