Least Reliable AR-15 Yet?
This LaRue Tactical 20-inch Stealth Upper, despite its high cost and multiple returns to the manufacturer, exhibited severe reliability issues, particularly in cold weather. The speaker, Nutnfancy, documented a six-year saga of failures, ultimately resolving the chronic under-gassing by manually enlarging the gas port. While exceptionally accurate once functional, the extensive user intervention required makes it a questionable value compared to more affordable, reliable alternatives.







![AK-47 vs AR-15 Part 5 by Nutnfancy [2009]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FKQ9LDvikIEs%2Fhqdefault.jpg&w=3840&q=75)

