As a result, the rounds are incredibly precise at long distances and shrug off drag in-flight. The 69-grain weight is best used in fast barrel twist rates of 1:8 or greater. Fiocchi crimps each bullet into a brass casing that has been heat-treated just below the neck for proper flexibility that translates to long reloadable life. Each casing is filled with high-energy propellant that has been painstakingly matched to the load and fitted with a non-corrosive Boxer primer that provides dependable ignition when struck. That makes this .223 Remington ammunition perfect for competitive match use.
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