The urge to capitalize on AR modularity, ergonomics, optics mounting flexibility and accuracy with cartridges other than the 5.56mm cartridge has constantly appealed to the shooting community. CMMG has experience with this in the form of their highly successful Mk47 Mutant 7.62x39, Mk9 9mm and MkW ANVIL .458 SO-COM rifles. CMMG has taken this a step further with their new BANSHEE™ 300 Series Mkio, lomm (Banshee lomm).
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