This expert guide from Arm&Gun details the disassembly and troubleshooting process for a PWS Mark 1 Mod 2 AR-15, emphasizing the critical role of the buffer system. The video highlights how an incorrect buffer setup can lead to operational issues, even on specialized long-stroke piston systems. It stresses the importance of using manufacturer-recommended components for optimal performance and reliability, particularly in custom-assembled or modified firearms.
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