The SIG MCX Spear, selected for the US Army's NGSW program, represents a significant advancement in battle rifle technology. It fires the high-pressure 6.8x51mm (.277 SIG Fury) cartridge, offering superior energy and flatter trajectory compared to existing rounds. The rifle features an upscaled MCX design, a short-stroke piston system, ambidextrous controls, and compatibility with SR-25 pattern magazines, making it a versatile and modern combat platform.
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