Federal's new 7mm Backcountry cartridge offers exceptional performance from short-barreled, suppressed hunting rifles, achieving velocities comparable to larger cartridges with less powder. Its steel case design allows for extreme pressures up to 80,000 PSI, enhancing efficiency and magazine capacity. The cartridge is poised for industry adoption with support from major manufacturers.
This video clarifies the critical differences between 5.56 NATO and .223 Remington ammunition, emphasizing SAAMI standards for safety and compatibility. It highlights that 5.56 operates at higher pressures, and using it in a .223 chamber can cause accelerated wear and potential failures. Always check barrel markings, not receiver markings, for correct ammunition compatibility.
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