Under the National Firearms Act (NFA) of 1934 and the Gun Control Act of 1968, a machine gun is defined not only by the weapon itself but by any combination of parts designed and intended for use in converting a weapon into a machine gun. The ATF has long maintained that a DIAS is a machine gun in and of itself.

The occupies a strange place in American gun culture: a piece of jewelry that can land you in handcuffs. The allure is understandable—it’s a tiny, rebellious emblem of firepower, a conversation starter for range days, a bit of covert "full-auto" swagger.

The ATF has not limited its prosecutions to perfectly machined metal parts. Federal courts have seen cases involving "Auto Key Cards" — plastic cards with etchings on them that can be cut out to form a DIAS. The government has argued that even these mere "etchings" are machine guns under federal law, as they are considered "combinations of parts" designed for conversion.

For 99% of gun owners, the risk outweighs the reward. The “cool factor” of having a pseudo-auto sear on your keychain is not worth 10 years in federal prison, the loss of your gun rights, and a permanent felony record.

It trips the hammer when the bolt is fully in battery.

The "Drop In Auto Sear Keychain" represents a dangerous paradox of the modern digital age. It looks like a toy; it is priced like a toy; but it carries the weight of a serious federal offense.

A "Drop In Auto Sear" (DIAS) keychain is a small metal device designed to convert a semi-automatic AR-15 into a fully automatic weapon. While often marketed online as a "keychain" or "fidget toy" to bypass legal filters, it is a highly regulated item with severe legal consequences. ⚖️ The Legal Reality

In many jurisdictions, specifically under United States federal law, the of a DIAS (even if marketed as a keychain) can be highly illegal. Drop In Auto Sear Keychain - reclaim.cdh.ucla.edu

The Drop In Auto Sear Keychain is ideal for: