WASHINGTON ( CNN ) -- Capitol Police arrested a man Friday after an officer spotted a rifle in his car when he stopped the officer to ask for directions two blocks from the Capitol building . Police inspect the suspect 's vehicle in Washington on Friday . Christopher Shelton Timmons , 27 , has been charged with carrying a deadly weapon , having an unregistered firearm and having unregistered ammunition , Capitol Police spokeswoman Sgt . Kimberly Schneider said . In addition to the rifle -- an AK-47 -- police found a grenade , a pistol , ammunition , loaded magazines `` and several other items of concern to the police '' in the Jeep Cherokee he was driving . Authorities said Timmons was convicted of carrying a concealed weapon in March in Albemarle County , Virginia , and served a month in jail . In that incident , Timmons had two grenades in his car , said Albemarle Police Chief John Miller . The pins had been removed and the grenades were filled with powder , authorities said . They had an adhesive on top to close them and a firecracker for a fuse . Law enforcement sources said the grenades were similar to an item found in Timmons vehicle Friday . That device has been taken to the FBI facility in Quantico , Virginia . Members of the joint terrorism task force are involved in the investigation , sources said , but so far no one is suggesting Timmons was planning an attack of some kind . CNN Justice Correspondent Kelli Arena contributed to this report .
Police say suspect had AK-47 , grenade , pistol , ammunition in car . Score: 6 Timmons had stopped officer to ask directions .