Like new CMMG Resolute 300 upper in 5.7x28, 16.1” 416 blackened stainless steel 1:9 twist barrel, M-Lok free floated handgaurd,ambidextrous charging handle, CMMG MK4 standard AR lower, comes with 4 CMMG 40 round magazines. Has CMMG’s radial delayed blowback bolt carrier system for low recoil...