The Mechanics of a Full Auto AR15 Trigger
How a Standard AR15 Trigger Works
The AR15, a rifle celebrated for its modularity and widespread use, has captured the interest of firearms enthusiasts for decades. Within the AR15 platform lies a fascinating and complex world of components, one of which sparks particular interest: the *full auto AR15 trigger*. It’s an element that unlocks the capability of rapid, sustained firing, a concept that often elicits a sense of awe and, sometimes, misunderstanding. This article will delve into the intricacies of the *full auto AR15 trigger*, explaining its mechanics, legal status, and the important considerations surrounding its existence.
The Difference Between Semi-Automatic and Full-Automatic Firing Mechanisms
The functionality of any firearm is intricately tied to its trigger mechanism. Pulling the trigger is the gateway to releasing the stored energy that propels a bullet down the barrel. In the AR15, this mechanism can vary significantly, producing outcomes ranging from a single shot with each trigger pull to the rapid, continuous firing associated with *full auto* operation. This article focuses specifically on the latter: the *full auto AR15 trigger*.
Trigger Group Components
The core of the AR15, in any configuration, rests on its trigger group. This assembly houses several crucial parts that work together to control the firing sequence. To understand *full auto* functionality, one must first grasp the basics of how a standard, semi-automatic AR15 trigger works. Upon pulling the trigger, it depresses and releases the hammer, which then strikes the firing pin. The firing pin then strikes the primer in the cartridge, igniting the propellant and propelling the bullet. Simultaneously, the bolt carrier group (BCG) cycles backward, extracting the spent casing and chambering a fresh round. This cycle repeats with each individual trigger pull.
How the Trigger Works
The vital difference lies in how the trigger group interacts with the BCG to control this cycle. In a semi-automatic AR15, a *disconnector* is present. The disconnector catches the hammer and prevents the hammer from striking the firing pin again, even if the trigger remains depressed, until the trigger is released and pulled again. This system mandates one trigger pull per round fired.
The Full Auto Cycle
The *full auto AR15 trigger* eliminates this restriction. This is achieved through specific alterations and additional components. The most critical additions are an *auto sear* and a *trip lever* (or an equivalent mechanism). The auto sear engages with the hammer in a way that permits the hammer to remain cocked after a round is fired and the bolt carrier group begins its rearward movement. As the bolt carrier moves backward, it typically interacts with a trip lever that then *releases* the hammer. If the trigger is still depressed, and the sear is able to trip the hammer, the hammer then strikes the firing pin and the firing cycle continues automatically. This continuous firing continues until the trigger is released or the magazine is empty.
Internal Components of the Full Auto Trigger
Delving deeper into the internal components of the *full auto AR15 trigger*, we find a carefully choreographed sequence. The *hammer* is the powerhouse, storing the energy to ignite the primer. The *sear*, and more specifically the *auto sear* in this context, is the gatekeeper, holding the hammer back until it is time to release it. The *trigger* itself is the interface, the part the user interacts with. The *trip lever*, or its equivalent, coordinates the timing between the bolt carrier group and the hammer release mechanism. The *bolt carrier group* moves backward and forward with the chambering of a round. When a *full auto AR15 trigger* is engaged, this entire process becomes a continuous loop until the trigger is released or the magazine is empty. The interaction between these components allows for the automatic, rapid-fire capability.
Legal Considerations and Restrictions
Legal Landscape
The legal landscape surrounding *full auto* firearms is a crucial element of the discussion. The United States, unlike many countries, allows for the legal ownership of *full auto* firearms, but this privilege comes with strict regulations and significant hurdles. The evolution of these regulations has been shaped by events in history, including the National Firearms Act.
The National Firearms Act
The *National Firearms Act (NFA) of 1934* was the first major piece of legislation to regulate firearms in the United States. Driven by the prevalence of organized crime and the growing use of automatic weapons, the NFA imposed stringent controls on certain types of firearms, including machine guns – the legal term for *full auto* firearms. This legislation required the registration of these weapons with the federal government, along with a tax on their transfer. These regulations remain the foundation of *full auto* ownership today.
Machine Gun Definition
Under the NFA, a *machine gun* is defined as any weapon that shoots, is designed to shoot, or can be readily restored to shoot automatically more than one shot, without manual reloading, by a single function of the trigger. This encompasses any weapon utilizing a *full auto AR15 trigger*, as well as conversions or parts that can make a semi-automatic AR15 into a *full auto* firearm.
Current Regulations
Current regulations involve a complex process. Acquiring a legally registered *full auto* AR15 demands adherence to rigorous procedures established by the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). This involves a background check, fingerprinting, and significant paperwork, along with a considerable tax payment. The legal owner, the person who has gone through the appropriate vetting, must follow very strict guidelines, which include proper safe storage.
Consequences of Illegal Possession
It is vital to emphasize that possession of an unregistered *full auto* AR15 is a severe federal crime, punishable by lengthy prison sentences and substantial fines. The implications extend beyond the law itself, posing significant consequences, including the forfeiture of other firearms and restrictions on one’s ability to ever own a firearm again. The laws are enforced across federal, state and local levels.
The Process of Acquiring a Full Auto AR15
The Legal Steps
So, how does one acquire a *full auto AR15* legally? The process is an exercise in patience and paperwork. First, a buyer must locate a legal seller, often a licensed Class III dealer, who is specifically authorized to handle NFA items. Next, the buyer and seller must fill out an ATF Form 4, which requires the buyer’s detailed information and that the firearm’s information is clearly documented. They must also undergo a thorough background check conducted by the ATF. After the background check is passed, the buyer pays the required tax. The ATF will then process the application, a process which can take many months, and even over a year. Only after the ATF approves the application and provides the paperwork, the buyer can legally take possession of the *full auto AR15*.
Costs of Ownership
The costs are substantial. The price of an already manufactured and registered *full auto AR15* can be remarkably high, often reaching into the tens of thousands of dollars. There are also the costs of the ATF tax stamp, the cost of safe storage and proper maintenance to consider.
Considerations for Ownership and Safety
Importance of Training
Owning a *full auto AR15*, if done legally, comes with responsibilities. Training is paramount. Individuals should seek professional instruction on the safe handling, operation, and maintenance of *full auto* firearms. This training encompasses everything from loading and unloading to clearing malfunctions and understanding the weapon’s mechanics. Range safety becomes particularly important. Proper safety protocols must be followed to avoid the risk of accidental injury. Understanding the mechanics of the weapon, and how the *full auto AR15 trigger* functions is integral to safety.
Safety and Maintenance
Maintenance is critical. Like any firearm, a *full auto AR15* needs to be meticulously maintained to guarantee its reliable function. This involves regular cleaning, lubrication, and inspection of parts. Understanding how the various components, especially the trigger group, interact is essential to identifying potential malfunctions. Recognizing potential issues can help prevent malfunctions and avoid injury.
Alternatives and Related Products
Legal Options
It is important to recognize that in the realm of firearms, the semi-automatic AR15 is the most common type. There are alternatives to achieve a faster firing rate, such as *binary triggers*. These triggers fire one round when pulled, and one round when released. However, the legal status of these can vary significantly based on location. There are also rapid fire triggers, which is generally not a legal option either.
Conclusion
The *full auto AR15 trigger* represents a complex and intriguing facet of firearm technology. While it offers the potential for rapid and sustained fire, it also carries significant legal and practical responsibilities. Understanding the mechanics, the laws, and the safety protocols is critical before even considering *full auto AR15* ownership.
Call to Action
If you are interested in learning more about *full auto* firearms or firearms in general, seek responsible gun ownership and education. You can consult with firearms experts, and research training courses to better your skills. Always prioritize safety and adhere to all applicable laws and regulations.
