moa rail or not

B

BoogieMan

New member
Looking at scopes with 80moa adjustment for a 30-06 to shoot out to 600yds. If my estimate is close that gives me approx 240" of travel from center at 600. I would expect no more than 80" of drop at 600 with a 165gr bullet using a 100yds zero.
I don't think I need a moa mount. Please give me some advice
Also the rifle already has leupold 2 pc standard mounts on it now. I would like to go rail, but if I can do what I need with the 2pc mount I will keep it to save a buck and not drill more holes in the receiver
 
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The 80moa of travel is from the very top to very bottom. So set neutral, you have 40 MOA up and 40 MOA down, or depending on the scope it could be offset where you have 60 up and 20 down, but in order to have the full 80 MOA to dial up you will have to have the scope zeroed with the turret bottomed out in the vertical adjustment. Would require a 40 MOA canted base. I would count the clicks up after you get it zeroed to determine how much vertical travel you have, but you shouldn't have any trouble dialing out to 600 yards even with 40 MOA of adjustment.
 
You need just under about 13 MOA for 600 with a 100 yard zero. Shouldn't be a problem with what you have. Of course, that depends on the bullet. I figured about 2900 fps with a 440 BC. YMMV.
 
Typical sight dope for .30-06 with 165 to 175 grain spitzer boattail bullets to be within 1 moa of exact. From boresight,

Up 3 to 4 moa for a 100 yard zero.

Up 2 more for a 200 yard zero.

Up 2 more for a 300 yard zero.

Up 5 more for a 500 yard zero.

Up 7 more for a 600 yard zero. About 19 to 20 moa up from boresight.

Up 10 more for an 800 yard zero.

Up 6 more for a 900 yard zero.

The 1000 yard zero is up another 7. About 42 to 43 moa above boresight.

You will use the existing screw holes in your receiver. Those rails are stepped and pre-drilled for specific receivers. What action do you have?
 
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I have a rem 700adl. But it's an older model (bright blue and walnut stock) and I don't know if the holes are factory drilled or diy.
Either way it doesn't sound like I need it for a 100-600 yd work. Currently I don't even know where I could find a 1000 yd range, longest around is 600.
 
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