: 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 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
: A vital safety step after any work. This involves testing the safety selector, trigger reset, and ensuring the disconnector correctly catches the hammer when the trigger is held back during a cycle. : Snap ring pliers for delta ring assembly
To perform professional-level work, specific tools are non-negotiable: This involves testing the safety selector, trigger reset,
: An illustrated, step-by-step guide by Rob Reaser that breaks down primary groups—upper receiver, lower receiver, and bolt carrier group—into detailed component assemblies.
: 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.
