[PDF] Replacement or Supplement AffidavitAuthorization (CF 303)

to 303It was the standard British and Commonwealth military cartridge for rifles and machine guns from 1889 until it was replaced by the 7.62×51mm NATO.Where is area code 303? Area code 303 is located in central Colorado and covers Denver, Aurora, Lakewood, Thornton, Arvada, Westminster, and Centennial.