Generally, all firearms purchases and transfers, including private party transactions and sales at gun shows, must be made through a California licensed dealer. David S. Chesley Attorneys have an experience, representing people charged with Unlawful Possession of firearms offenses under California law.Have you been arrested for a gun crime? Our unlawful gun possession attorney in California can help. Has engaged in an unlawful or reckless use, display, or brandishing of a firearm. You were wrongfully accused of the alleged crime;; Your actions did not actually involve the use of a deadly weapon or were not capable of causing serious harm. Example: Defendant Dirk has a Misdemeanor conviction on his record for issuing unlawful Criminal Threats (a violation of CPC §422(a)). California weapons charges are very serious and the consequences of a conviction are stringent. Example: Defendant Dirk has a Misdemeanor conviction on his record for issuing unlawful Criminal Threats (a violation of CPC §422(a)). On New Year's Day, San José became the first city in the nation to require gun owners to pay a yearly fee and carry gun liability insurance.