The Barrett 7.62x51 NATO Conversion Kits "D" MK22 Coyote Brown Cerakote 20" Fluted Bbl 19536 is a versatile conversion kit designed to upgrade your MK22 rifle. Featuring a 20-inch fluted barrel with a coyote brown Cerakote finish this kit includes a bolt head magazine and ZCORR anti-corrosion bag.