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CORE Rifle Systems has announced three calibers—.223/5.56 NATO, .308 and 6.5 Grendel—to its 2016 lineup for two CORE platforms, the new TAC 6.5, and all the HARDCORE models, in both 18” and 20” barrel lengths. True left-hand versions are also available. How and why did they do it? Learn more at CORE15.com, and watch this video from the CORE booth at the 2016 NRA Annual Meetings & Exhibits.
