Как пишет источник, Federal Ammunition начала производство патронов с пулями, имеющими передовое полимерное покрытие, которое сохранит ресурс ствола оружия.....
American Eagle Syntech is the first range-specific ammunition designed to reduce fouling and extend barrel life with a high-tech polymer bullet coating. Combined with specialized clean-burning powders, your gun will stay cleaner, longer, so you can shoot more—and shoot better. The exclusive Catalyst primer provides the most reliable, consistent ignition possible.
Полный текст, Источник:
http://www.ammoland.com/2016/04/federal-american-eagle-introduces-revolutionary-syntech-range-ammunition/#axzz489iPmk00
