The new 300 Blackout (300 BLK) cartridge has gained a lot of attention over the last year. Many companies are jumping on the bandwagon and offering uppers and complete rifles chambered for this kick ass cartridge. The guys at Core 15 have come up with their own offerings and Justin Raney was kind enough to give us the rundown.
Core 15 300 Blackout at 2012 Shot Show
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