Modifies provisions relating to firearm suppressors

HB 898 modifies Missouri law to exempt firearm suppressors (silencers) manufactured within the state from federal regulation. It requires "Made in Missouri" labeling on such suppressors and establishes that state entities cannot enforce federal laws regulating suppressors if those laws impose restrictions not already in Missouri law. The bill also directs the attorney general to seek federal court validation of Missouri's position on federal regulation authority. These provisions apply only to suppressors manufactured on or after August 28, 2025. The bill directly affects Missouri suppressor manufacturers and state/local government entities that would otherwise enforce federal suppressor rules.