CMMG announced their latest line of rifles and pistols chambered in 5.7x28mm. The MK57 is based of the Guard platform and utilizes CMMG’s radial delayed blowback and takes FN FIVE SEVEN magazines. Currently, CMMG’s MK57 comes in a short barreled rifle configuration sporting a 5 inch barrel and CMMG’s awesome! BANSHEE stock. Also the MK57 comes with option bare receiver extension/buffer tube, tailhook, or Shockwave Blade. MSRP starting at $1399.95.
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