Grendel-Based 6mmAR for AR15s
” The classic AR-15 “Black Rifle” remains extremely popular among High Power competitors. But its standard .223 chambering leaves much to be desired as a long-range round. Robert Whitley has come up with a great new chambering for the AR-15 that offers dramatically better long-range performance in the wind. Robert’s cartridge, dubbed the “6mmAR”, is basically a necked-down 6.5 Grendel. But Robert has done more than just tweak the Grendel. He’s put together a complete package that includes complete uppers, custom dies, and reliable magazines. Put that all together with a .556 BC bullet running 2750 fps, and you have a winning combination.”
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