Gunsmithing - The Ar-15 Apr 2026

: An armorer’s wrench for castle nuts and barrel nuts, plus a high-quality torque wrench to ensure the barrel is seated within the required range of 30 to 80 foot-pounds.

: Local laws regarding AR-15 ownership and assembly vary significantly; always research regional regulations before beginning a build.

: Key steps include installing the magazine catch, safety selector, and hammer/trigger pins. Correct orientation of the disconnector and hammer is paramount for safe operation. Gunsmithing - The AR-15

: Beginners must be aware of ATF definitions, such as the "26-inch rule" (overall length) and the minimum 16-inch barrel length requirement for rifles.

: Snap ring pliers for delta ring assembly and anti-seize compound for lubricating receiver threads. Critical Technical Procedures : An armorer’s wrench for castle nuts and

: Authored by master gunsmith Patrick Sweeney , these volumes are considered the definitive industry standard.

: A sturdy vise and receiver-specific vise blocks or holding fixtures to stabilize the firearm without marring its finish. Correct orientation of the disconnector and hammer is

: Resources like those written by Chris Bartocci (author of Black Rifle II ) provide specialized instruction on the cycle of operations, gauging for depot-level maintenance, and troubleshooting for the entire AR15/M16/M4 family. Essential Tools & Specialized Gear