From Titan Compact Pistol Vault Compatible with all Glock: In California, there is a bill, Assembly Bill 1127, also known as the "Glock Ban" bill, that is moving through the legislature. This bill aims to ban the sale of certain semi-automatic pistols, including Glock and similar models, that can be easily converted into machine guns. The bill passed the State Assembly and is now moving through other legislative bodies. 
Here's a more detailed breakdown:
AB 1127: is the bill in question. 
Purpose: The bill intends to prevent the sale of firearms that can be readily modified with a "Glock switch" or similar devices to fire automatically, rather than just semi-automatically. 
Glock Switch: This is an illegal attachment that allows a firearm to fire as a machine gun. 
Impact: The bill, if enacted, would prevent the sale of new Glock pistols and similar firearms in California. 
Bipartisan Support: AB 1127 has received support from both Democrats and Republicans. 
Constitutional Concerns: Some opponents argue that the bill infringes on the Second Amendment rights of law-abiding citizens, as Glocks are commonly owned and used for lawful purposes, according to Pasadena Star News. 
Current Status: The bill has passed the Assembly and is now being reviewed by other legislative committees, including appropriations, the Senate Public Safety Committee, and the Senate Judiciary Committee.