The Hornady 6mm ARC (Advanced Rifle Cartridge) is an intermediate cartridge released in 2020 to increase the power of the AR-15 platform.
Developed for the Department of Defense (DoD) and its multipurpose combat rifle program, the 6mm ARC can achieve ballistic results similar to larger calibers like the 308 Winchester but without the shortcomings of smaller rounds like the 5.56 NATO.
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