Originally Posted by joseph
How many inches is 65 MOA?
Joseph, a MOA is an angular measurement, stands for "minutes of angle", so 65 MOA = 65 minutes... think of a huge V and let's say that the exaggerated angle in between is 65 MOA. T
he longer the V
it is, the distance between the ends of the v
is greater; and the V
still has an angle of 65 moa.
So, we need to specify a distance. Like how many inches holds a MOA AT 775 yards? We know that the true dimension of a moa is: 1MOA = 1.047" at 100 yards.
Not 1"; sooner or latter if you use 1" it will get you in trouble and I will show you later.
So, if every 100 yards I have a distance of 1.047, at 775 yards you would have (1.047 x 7.75 = 8.11 inches. ---- Someone could tell you, hey use 1 inch and that would give you 7.75" (just dividing the distance by 100), close enough! Well it would be for a spotter but it is not always the truth. Let me explain:
Let's say you have a rifle-scope calibrated in MOA (The Turret), and you make some drop tables that give you the answer in inches (IPHY); and let's say that for a 1000 yards shot the table says you need 39 IPHY which are inches. Now you believe that 1 moa is = to 1 inch and you just use your scope and dial 39 MOA on the turret. The most awesome buck was on your sights and you felt confident but the animal just walks away and you loose a once in a life time opportunity. What Happened???? Well this is what happened:
You turned the moa turret to 39 which were really 39 MOA and not inches. That means that... (39"/1.047 = 37.25 moa) --- So instead of inputting 37.25 moa on the turret, we dialed in 39 moa. That's 1.75 moas more than needed... CLOSE ENOUGH! ---- NO! IT'S NOT!!! 1.75 MOA at 1000 yards is:
(1.75 X 1.047) x 10 = 18.3 inches. Your bullet went about 9" over his back!
IN OTHER WORDS:
The drop chart in inches told you to dial 39 IPHY (inches per 100 yards) which is 37.25 moa;
you dialed 1.75 moa more than needed and that equated to 18.3 inches over
the aiming point missing your trophy.