Learn how Oklahoma would handle crimes like attempted murder of an officer using a vehicle. The Urbanic Law Firm explains laws & penalties. The Urbanic Law Firm in Oklahoma City provides skilled criminal defense representation for all firearm and weapon-related cases throughout the state. Illegal Possession of a Firearm Under 21 O.S. §1283, it’s illegal for certain individuals—such as convicted felons or those on probation—to possess a firearm. Charged with theft, fraud, or embezzlement in Oklahoma? Learn penalties, defenses, & next steps. Call The Urbanic Law Firm for a free consultation. Assault & Battery With a Deadly Weapon in Oklahoma Assault & Battery With a Deadly Weapon is a Class A3 felony in Oklahoma, carrying potential life imprisonment. This page explains the law—what it means, the possible penalties, and how The Urbanic Law Firm defends people facing these charges.