Origins and Early History of the USMC M27 Infantry Automatic Rifle
This guide details the cleaning and maintenance of the USMC M27 Infantry Automatic Rifle, based on insights from a former Marine infantryman with combat experience. It highlights the M27's gas piston system for easier cleaning compared to direct impingement systems like the M4/M16, emphasizing thorough cleaning of the piston, bolt, and barrel. Proper lubrication and function checks are crucial for maintaining reliability.








