: Local laws regarding AR-15 ownership and assembly vary significantly; always research regional regulations before beginning a build.
: Authored by master gunsmith Patrick Sweeney , these volumes are considered the definitive industry standard. Gunsmithing - The AR-15
: 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. : Local laws regarding AR-15 ownership and assembly
: 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. Gunsmithing - The AR-15