Gunsmithing - The Ar-15 〈2025-2027〉

: Explores technical myths, advanced troubleshooting, and "under the hood" performance optimization.

: Requires indexing the barrel stud to the receiver's groove and repeatedly tightening/loosening the barrel nut to properly seat the threads before final torquing. 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. : Explores technical myths