$561.13 cash price. CMMG Zeroed K 36 Cal. Rated for: .22 ARC, .300 BLK, .308 WIN, .338 ARC, .350 Legend, 4.6x30mm, 5.56x45mm, 5.7x28mm, 6.5 Creedmoor, 6.5 Grendel, 6mm ARC, 7.62x39mm, 8.6 BLK, 9mm