The term "AR-15 full-auto hammer" can be misleading. While the hammer itself is a crucial component in the AR-15's firing mechanism, it doesn't directly determine whether the rifle fires in full-auto (fully automatic) mode. The ability to fire in full-auto is governed by significantly more complex internal components and, crucially, by federal law. This article will delve into the mechanics of the AR-15 hammer and clarify the legal landscape surrounding full-auto capabilities.
The AR-15 Hammer's Role in Semi-Automatic Fire
In a standard, semi-automatic AR-15, the hammer's function is straightforward. When the trigger is pulled, it releases the hammer, which strikes the firing pin, igniting the primer and causing the round to fire. The subsequent cycle of reloading and chambering a new round is entirely dependent on the firearm's design, operating on a gas impingement or piston system, not the hammer itself. The hammer is simply the final component in a chain reaction triggered by the user.
Key Components Interacting with the Hammer
Understanding the complete firing process requires looking beyond just the hammer. Key components working in concert include:
- Trigger: Initiates the sequence.
- Disconnector: Prevents the gun from firing again before the bolt is fully forward.
- Bolt Carrier Group (BCG): Extracts and ejects spent casings, chambers new rounds.
- Firing Pin: Ignites the primer.
These parts work together in a precise sequence, ensuring that the rifle fires a single shot per trigger pull in a semi-automatic configuration.
Full-Auto Conversion: Legal Restrictions and Modifications
Converting a semi-automatic AR-15 to full-auto requires significant modification beyond simply swapping out the hammer. This involves adding a machine gun selector switch and modifying the internal components to allow continuous firing as long as the trigger is depressed. Crucially, it is illegal to manufacture, possess, or transfer a machine gun without proper licensing from the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). This includes making the modifications described above. Penalties for violating the National Firearms Act (NFA) are severe, ranging from significant fines to imprisonment.
Misconceptions about Full-Auto Conversion
It's essential to dispel common misconceptions: simply replacing a hammer will not convert a semi-automatic AR-15 to full-auto. This requires extensive modification, necessitating specialized knowledge and tools, not readily available to the average gun owner.
Understanding the Legality of AR-15s
The AR-15 platform itself is not inherently illegal. Millions of semi-automatic AR-15s are legally owned across the United States. The legality is entirely dependent on the rifle's configuration and whether it complies with all federal and state regulations. Always consult your state's laws and the relevant federal regulations before purchasing or modifying any firearm. This includes understanding any restrictions on magazine capacity and other features.
Disclaimer: This information is for educational purposes only. It should not be considered legal advice. Always consult with a legal professional specializing in firearms regulations for guidance on specific situations. Always prioritize safe gun handling practices.
