Drop In Auto Sear Keychain ((top))

Given the potential complexity and legal considerations surrounding auto sears and similar devices, if you're genuinely interested in such a product, it's advisable to:

In the United States, any device whose sole purpose is to convert a firearm to shoot automatically is classified as a machine gun by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). Under the National Firearms Act (NFA) of 1934 and the Firearm Owners Protection Act of 1986, it is illegal for civilians to possess a “drop in auto sear” unless it was registered before May 19, 1986. Unregistered auto sears are contraband. Drop In Auto Sear Keychain

Imagine a prosecutor presents a Drop In Auto Sear Keychain to a jury. They remove the key ring. They install it into a Glock or an AR-15 lower receiver (provided it fits). They pull the trigger, and the weapon fires multiple rounds with one pull. Imagine a prosecutor presents a Drop In Auto