No breaking overnight alerts today, but a busy legislative and regulatory calendar is building toward several major deadlines. Colorado’s semi-auto sales ban takes effect August 1, the ATF’s sweeping 34-rule reform package closes for public comment June 28, and two consequential Supreme Court decisions are expected before the end of the month.

Today’s Headlines

• Connecticut Convertible Pistol Ban Signed: Gov. Lamont signed H.B. 5043 on June 5, making it a Class D felony to sell, import, or distribute pistols that can be easily converted to fully automatic fire; existing owners are not affected. The law takes effect October 1, 2026, and NSSF has pledged a legal challenge. Source: portal.ct.gov
• Colorado Semi-Auto Sales Ban (SB25-003): Beginning August 1, 2026, Colorado prohibits the sale, transfer, or purchase of semiautomatic rifles, shotguns, and gas-operated handguns with detachable magazines. Separately, starting July 1, ammunition purchases in Colorado require buyers to be 21 and ammunition must be stored behind a counter. Source: leg.colorado.gov
• ATF 34-Rule Reform Package — Comment Deadline June 28: ATF’s broad regulatory overhaul proposes electronic Form 4473s, removal of CLEO notification requirements for NFA items, SBR interstate travel without prior approval, and a final rule removing bump stocks from the machine gun definition. The comment window closes June 28, 2026. Source: atf.gov
• SCOTUS Decisions Pending — Wolford v. Lopez & U.S. v. Hemani: Rulings expected by late June will address whether states can restrict licensed carry holders from entering businesses without explicit owner permission, and whether marijuana users can be federally prohibited from owning firearms. Source: scotusblog.com
• Ohio Supreme Court — State Rights Restoration Lifts Federal Disability: In a 6-1 ruling on June 2, Ohio’s high court held that restoring state firearm rights from a conviction also removes the corresponding federal firearm disability under the same offense. Source: courtnewsohio.gov
• ATF Interstate Transport NPRM: A proposed rule would clarify that overnight stops, fuel, meals, and medical emergencies during interstate travel are protected under the Gun Control Act’s transport provisions. Comments are due August 4, 2026. Source: federalregister.gov

What This Means for Gun Owners

Dealers and transferors operating in Colorado should prepare for significant inventory and transaction restrictions taking effect August 1. Owners of NFA items, short-barreled rifles, or suppressed firearms should review the ATF’s proposed rule changes and consider submitting public comments before June 28. Those who travel interstate with firearms will want to monitor the ATF transport NPRM, which would formalize protections for common travel stops. The pending SCOTUS decisions in Wolford and Hemani could affect carry rights and eligibility determinations nationwide within weeks.

Key Dates to Watch

• June 28, 2026: ATF 34-rule reform package public comment period closes
• Late June 2026: SCOTUS decisions expected in Wolford v. Lopez and U.S. v. Hemani
• July 1, 2026: Colorado ammunition age-21 requirement takes effect
• August 1, 2026: Colorado semi-auto sales ban (SB25-003) takes effect
• August 4, 2026: ATF interstate transport NPRM comment deadline
• October 1, 2026: Connecticut convertible pistol ban (H.B. 5043) takes effect

Sources

• portal.ct.gov — Governor Lamont Signs Convertible Pistol Legislation
• leg.colorado.gov — Colorado SB25-003
• atf.gov — ATF Launches New Era of Reform
• scotusblog.com — Wolford v. Lopez
• courtnewsohio.gov — Ohio Supreme Court: Heffley Decision
• federalregister.gov — ATF Interstate Transportation NPRM

This brief is updated daily. Read past briefs.