A portable firearm securement system configured to secure a firearm and prevent firing of the firearm while also being configured to be easily moveable is disclosed. The portable firearm securement system may be formed from first and second bodies for securing a firearm and preventing access to a trigger of the firearm, whereby the first and second bodies are positioned on both sides of the firearm adjacent the trigger and magazine well. Three pins extending from the first body to the second body prevent rotation of a firearm relative to the first and second bodies. Additionally, one pin extends thru the second body and includes a securement orifice through which a padlock shackle may be positioned to lock a firearm in place within the securement system. The securement system may be releasably secured to a securement object with a tether wrapped around the securement object and secured to the padlock.