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State Legality Matrix Binary TriggersVermont

Are Binary Triggers Legal in Vermont?

Statute-cited, last verified 2026-07-31

Status: Legal
Verified: 2026-07-31

Legal

Yes. Vermont's ban covers only recoil-driven bump-fire stocks; binary triggers are not covered.

Contested entry

Litigation Status and Details

13 V.S.A. § 4022 prohibits only a bump-fire stock (a butt stock using recoil energy to facilitate repeated trigger activation); it does not define or reach binary triggers.

The statute in practice

Vermont Law in Detail

Vermont's section 4022 defines a bump-fire stock as a butt stock that uses recoil energy to generate reciprocating action and repeated trigger activation. That equipment-and-recoil definition is narrower than a generic rate-increasing-device rule and does not describe an internal pull-and-release binary mechanism.

Sources

Federal law

Federal baseline

Binary triggers are legal under federal law and are not machine guns under 26 U.S.C. § 5845(b); ATF treats the trigger pull and the trigger release as two separate functions of the trigger, so one round is fired per function. Cargill v. Garland (2024) concerned bump stocks, not binary triggers, and does not change this.

Federal baseline verified 2026-07-31. Scope: Binary triggers (Franklin Armory BFSIII and similar): fire one round on trigger pull and one on release. Forced reset triggers are a separate class.

Common questions

Frequently Asked Questions