I have used the 165 .277 Matrix on 1 Oryx in New Mexico, Oryx, Wildebeest, Kudu, , Blesbok, Impala, Springbuck, and Steenbuck in Africa. All 1 shot kills except the Africa Oryx, and he was at 605 yards. It took two for him. He was dead on his feet, the second shot was insurance. My rifle is...