MCWS (MULTI-CALIBER WEAPONS SYSTEM)
.223 Rem./5.56 NATO (.223 Wylde chamber), 6.5 Grendel, and .50 Beowulf cal., GIO, 16 in. stainless steel button rifled barrel (.50 Beowulf), 16 in. chrome moly steel button rifled barrel (5.56 NATO), and 16 in. stainless steel button rifled...