: It sits behind the trigger group and trips the sear as the bolt closes, initiating the next round's firing automatically.
: A drop-in auto sear is a small component designed for an AR-15 that allows it to fire automatically without machining the receiver. Drop In Auto Sear Keychain
Federal authorities, specifically the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF), have consistently maintained that possession of these items can lead to severe criminal charges. The classification of such a device as a "machine gun" under the National Firearms Act (NFA) means that possession without proper registration and licensing is a federal felony, punishable by significant prison time and substantial fines. : It sits behind the trigger group and
A is a specific, aftermarket design intended to convert a semi-automatic AR-15 into a machine gun with minimal gunsmithing. Unlike older conversion methods requiring drilling or milling, a DIAS is a self-contained unit that "drops in" to the lower receiver, replacing the original trigger group. It works in conjunction with an M16 bolt carrier and a standard selector switch. The classification of such a device as a
actively target online sellers and buyers of these items, even if they are advertised as "novelties" or "bottle openers". The "AutoKeyCard" Case : High-profile legal cases, such as the AutoKeyCard case
A is a controversial and highly illegal device under United States federal law. While sometimes marketed as a novelty item or "keychain," the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) classifies these devices as machine guns because they are parts designed and intended to convert a semi-automatic firearm into a fully automatic one. Technical Overview