 The AR-15s are chambered for 5.56mm ammunition and have 11.5" barrels.Measures of additional standards and training were undertaken and implemented by the whole VA LETC academy in order to successfully achieve FLETA accreditation, which was officially granted on November 17, 2011.This accreditation placed the academy (and selected courses) on par with other well known federal law enforcement training centers and programs such as Drug Enforcement Administration Office of Training, Federal Law Enforcement Training Center (FLETC), and the U.S. Secret Service James J. Rowley Training Center.