From Cans to Carbines, Making a Better M4 -- Military.com
In 2005, Jimmy Stavrakis received an order to make components for Colt's M4 rifles as they were being rapidly fielded for units in Afghanistan and Iraq. In just a few days, Stavrakis and his engineers at ADCOR Industries Inc. had carved out precisely made upper receiver components for the Army's individual rifle.
But when officials came to inspect the parts, there was one small problem. Stavrakis and his team had printed the logo upside down. ADCOR, which until then mostly specialized in making precision components for the beverage industry, had never seen a completely assembled M4.
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My Comment: All soldiers are dependent on their M-4s .... therefore improvements are always followed closely.