Heavy Lubrication Improves M16, M4 Effectiveness

"Out of the 60,000 rounds fired in each phase, the M4 stoppage-rate dropped from 9,836 with light lubrication to 678 with heavy lubrication.

The M16A4 stoppage-rate dropped from 2,124 with light lubrication to 507 with heavy lubrication, results show."

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Tet '68 Bien Hoa/Long Binh, RVN " We went to Saigon a few days later getting a hop on an assault helicopter out of Bien Hoa. They would oil their doorguns by immersing them into a 55 gallon drum of oil."