An F.B.I. agent facing a felony charge after the authorities said his gun went off and injured a bystander, after the off-duty agent did a back handspring at a Colorado club last month, can carry his gun again, a county judge said Tuesday.

During a court appearance, David Goddard, a lawyer for the agent, Chase Bishop, 30, asked Judge Frances Simonet of Second District County Court in Denver to amend a protection order to allow Mr. Bishop to possess his service weapon again, said Ken Lane, communications director of the Denver District Attorney’s Office, in an interview Tuesday. Mr. Lane said prosecutors didn’t oppose the request because Tom Reddington, the injured bystander, did not object.

“Agents are required to be armed at all times” unless instructed otherwise, according to the F.B.I.’s website.

Mr. Bishop, who faces a charge of second-degree assault, will not face additional charges as the results of his alcohol and drug tests do not support any, Mr. Lane said.