Senate passes bill regulating firearm-barrel transfers after heated debate

The Colorado Senate on March 2, 2026, approved Senate Bill 43, a measure that makes the sale or transfer of a firearm barrel subject to in-person transfer through a federally licensed firearms dealer (FFL) and requires dealers to keep specified sale records for five years. The bill passed 19-16 after extended floor debate.

Sponsor Senator Sullivan said the bill is aimed at reducing gun deaths and treating firearm components that facilitate illegal diversion differently than status quo practices, arguing the state can take steps to protect public safety. "Gun violence costs ... each year," Sullivan said, framing the bill within a public-health approach to firearms.

Opponents mounted sustained objections. Senator Zamora Wilson argued the proposal "masquerades as a public-safety measure" while eroding constitutional protections and imposing new burdens on small businesses, hobbyists and rural residents. Senator Bridal warned that the bill "creates real problems for real people," saying private transfers and family exchanges could be criminalized and noting penalties of up to 30 days in jail and a $500 fine for certain violations.

Other critics emphasized enforcement and privacy gaps. Senator Liston and others noted the scarcity of Class 3 FFLs in rural counties, saying rural Coloradans could face long trips to comply and that the bill "creates a paper trail that leads nowhere" because it does not require automatic submission of records to a central database. Senator Carson said the bill criminalizes routine transactions and highlighted changes made by amendment to exempt family exchanges but said concerns about "intent" provisions remain.

Supporters countered that state action is warranted to address Colorado's gun-death trends and that regulatory steps can be part of broader efforts to reduce harm. Debate also referenced fiscal notes: opponents questioned the fiscal note’s assertion of minimal state cost, flagging potential enforcement, judicial and public-defender workload that could follow from criminalizing new conduct.

After more than an hour of back-and-forth, the Senate adopted SB 43 on third reading by a vote of 19-16. Senators recorded as voting "no" included Rich, Baisley, Catlin, Zamora Wilson, Frizzell, Simpson, Pelton (B.), Kirk-Meyer, Bridal, Carson, Pelton (R.), Liston, Roberts, Snyder, Henriksen and Ball; the tally reported on the floor was 19 ayes and 16 noes.

SB 43’s passage sends the bill to any remaining enrollment steps and to the governor for signature or veto. Sponsors asked that the president be added as a cosponsor at the time of adoption.