TX SB1658

Prohibits persons under 21 years of age from possessing "assault weapons" (defined as semiautomatic rifles, shotguns, and pistols with specific features like detachable magazines, pistol grips, folding stocks, or flash suppressors), classified as a state jail felony, with exceptions for peace officers, military members, and those who lawfully possessed such weapons before August 31, 2025

Requires universal background checks for private firearm sales by mandating transfers go through a licensed firearms dealer who must conduct a national instant criminal background check, with exceptions for inheritances and transfers to close family members; violations constitute a Class A misdemeanor

Establishes a mandatory 3-business-day waiting period for firearm purchases from licensed dealers, with the dealer prohibited from delivering the firearm until the background check is completed; violations constitute a state jail felony

Creates "extreme risk protective orders" (red flag laws) allowing family members, household members, or peace officers to petition courts to temporarily prohibit a person from possessing firearms if they pose an immediate danger of causing bodily injury or death; orders last up to one year and require firearm surrender within 24 hours

Expands firearm possession restrictions under existing protective orders to apply to all firearms (not just handguns) and removes the exception that previously allowed peace officers subject to protective orders to possess firearms off-duty, limiting exceptions only to actual discharge of official duties