Probably closer to a 200 yard pbr based on the above info, but it does depend on the bullet.
It's an interesting calculation but only tells you what your firearm would do if shot from a vise with no human or natureal intervention and does not take wind into consideration.
Also, if your rifle does one moa consistently then you need to add a half inch to each side of the calc and that alone takes you to a 4" circle of fire. Then, there are all the other things that effect mpbr in the field. When you add them all up, it's more a matter of the shooters ability to estimate range, read the wind, maintain a good hold, etc.
Still, MPBR is a good measure to start from.
