CMMG Resolute Zeroed Mk4
.22 LR, .300 AAC Blackout, .308 Win., .350 Legend, .40 S&W, .45 ACP, 5.56x45mm, 5.7x28mm, 6.5 Grendel, 6mm ARC, 7.62x39mm, or 9mm Para. cal., DI or blowback, 16.1 or 17 in. CM barrel, Zeroed muzzle brake, various mags. (depending on caliber...