SB334 Introduced
Sen. Sara Love introduces the bill to ban “machine gun convertible pistols” in the Maryland Senate.
SB334 redefines “machine gun convertible pistols” to ban every Glock and cruciform trigger bar handgun from sale in the state. It passed both chambers and awaits the Governor’s signature.
“MACHINE GUN CONVERTIBLE PISTOL” MEANS A SEMIAUTOMATIC PISTOL THAT CAN BE READILY CONVERTED TO SHOOT AUTOMATICALLY MORE THAN ONE SHOT, WITHOUT MANUAL RELOADING, BY A SINGLE FUNCTION OF THE TRIGGER USING A DEVICE THAT ATTACHES TO, IS INSERTED INTO, OR REPLACES A COMPONENT OF THE PISTOL, INCLUDING A CRUCIFORM TRIGGER BAR, TO COMPLETE THE CONVERSION.
Any semiautomatic pistol that could theoretically be converted to fire automatically using an aftermarket device — specifically any pistol with a cruciform trigger bar — is now classified as a “machine gun convertible pistol.”
This covers every Glock ever made, plus Glock-pattern clones like Polymer80 builds and Shadow Systems pistols — any firearm with a Glock-style cruciform trigger bar.
“They didn’t ban machine guns. They banned the pistols that could theoretically become one.”
— Bearing Freedom
| Firearm | Trigger Type | Status Under SB334 |
|---|---|---|
| Glock Gen 5 (all models) | Cruciform trigger bar | Banned from Sale |
| Glock V Series | Cruciform trigger bar | Banned from Sale |
| Shadow Systems (all models) | Cruciform trigger bar | Banned from Sale |
| Polymer80 / Clone builds | Cruciform trigger bar | Banned from Sale |
| Currently owned (all above) | — | Grandfathered |
| Revolvers | Hammer/sear (non-cruciform) | Exempt |
| Sig Sauer P320 | Pivoting sear (non-cruciform) | Exempt |
| S&W M&P Series | Pivoting sear (non-cruciform) | Exempt |
| 1911-pattern pistols | Hammer-fired (non-cruciform) | Exempt |
Sen. Sara Love introduces the bill to ban “machine gun convertible pistols” in the Maryland Senate.
Judicial Proceedings Committee hears testimony. Gun rights groups testify against the bill; law enforcement groups divided.
The Senate approves the bill 28–16, largely along party lines. Sent to the House.
Final House vote: 92–39. The bill heads to Governor Wes Moore’s desk.
Governor Moore is expected to sign. He has 30 days to act once the bill reaches his desk.
The definition of “machine gun convertible pistol” enters Maryland law.
No new sales of affected pistols. Existing owners grandfathered. Transfer restrictions take effect.
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Subscribe to Bearing FreedomProponents cite the rise in “Glock switches” and auto sears. Here’s the actual ATF recovery data:
The core problem with SB334’s logic
Conversion devices (auto sears, “Glock switches”) are already illegal under federal and Maryland law. SB334 doesn’t ban the devices — it bans the pistols that a criminal could theoretically modify. That’s like banning cars because someone could remove the speed limiter.
Legal Challenge Expected
Mark Pennak, president of Maryland Shall Issue (MSI), has stated he “fully intends to sue” if Governor Moore signs SB334 into law. MSI submitted 51 pages of opposition testimony, arguing the ban raises serious Second Amendment concerns under Bruen.
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Maryland’s approach — redefining common firearms as “convertible machine guns” — creates a template other states can copy. If the legal framework holds, expect similar bills nationwide.
The pattern is clear
When outright bans face constitutional challenges, legislators redefine categories. “Assault weapon” became a legal term of art. Now “machine gun convertible pistol” joins it. Each redefinition captures more common firearms under existing ban frameworks.
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