Drop In Auto Sear Keychain -
Typically, these are one of three things:
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: These are designed to provide a crisper, lighter, and more predictable trigger pull. Unlike an auto sear, these components do not alter the semi-automatic nature of the firearm. Upgraded Bolt Carrier Groups
To understand why these keychains draw so much attention, it is necessary to understand the mechanical function of a true Drop-In Auto Sear (DIAS). Drop In Auto Sear Keychain
Q: Can I use the Drop In Auto Sear Keychain for competition shooting? A: Yes, the keychain is perfect for competition shooters who need to rapidly deploy and use their auto-sear device.
The ATF classifies any auto sear—whether finished or in a "blank" form like the AutoKeyCard machine gun under the National Firearms Act (NFA). Illegal Possession:
Any device that can convert a semi-automatic firearm to fire automatically is legally classified as a machine gun itself. This applies regardless of whether the item is marketed as a "keychain," "novelty," or "paperweight." Typically, these are one of three things: This
A new and more confusing trend has emerged: the "." Unlike simple keychain replicas, these are sold with a keyring but also contain components that are fully compatible with firearms like the Glock 17, 19, and 26.
In a case prosecuted by the U.S. Attorney's Office for the Western District of Missouri, a 22-year-old man named Marquelle D. Love pleaded guilty to illegally possessing machine gun conversion devices.
If you're interested in a "Drop In Auto Sear Keychain," here are some general points to consider: Can’t copy the link right now
The ATF distinguishes between "replicas" and "readily convertible." A plastic keychain that bends and breaks under finger pressure is likely legal because it cannot be used as a sear. However, a 3D printed part made of high-strength polymer (like nylon or carbon-fiber PEEK) that can survive for even one cycle of automatic fire is illegal. The technical term is "readily convertible." If a person with basic tools and a drill press can make it functional, it's a machine gun.
The legal trouble surrounding these keychains stems from two foundational pieces of U.S. gun legislation: the National Firearms Act (NFA) of 1934 and the Gun Control Act (GCA) of 1968, as amended by the Firearm Owners Protection Act (FOPA) of 1986.
In recent years, various overseas manufacturers and rogue domestic sites began manufacturing these exact components with a small, seemingly innocent modification: a pre-drilled hole for a keyring.
