Depends on what rifle I have at the time. Started with a Remington 760 30-06. I remember when my buddies with iron sight 35 Remingtons bet me I couldn't hit the 1 inch bull at 100 and kept laughing until we walked up and there I was in the black! 25-06, 6.5x55, 300 Win, 7 mm Wby, 45-70, 338 WM...