Question about Tasco 3-9x40 World Class Riflescope 30/30 Reticle scope Clam Pack WC3940MD

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Up adj goes downfor impact and right goes left on impact. Whats up with this?

Sight in adj. all the up and all the right. adj. half way both adjustments start again and still same .

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It's all relative. If you're hitting high then you need to aim lower, or have the sights look higher. Just try it and see.

Posted on Dec 03, 2014

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Posted on Jan 02, 2017

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Tri3mast
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SOURCE: scope will not bore site.

The sighting sounds about right to me meaning to you need to adjust the cross hairs i the opposite direction to where your point of aim is. If your sight is off 1/4 inch to the left you need to bring the barrel to the right to compensate and that's what the bore scope/site is doing. Think opposite and you'll have that tuned in a few seconds. I don't doubt that you have the correct mounting hardware BUT, it's from center bore to center scope what 2 inches so at 25'? Depending on what caliber I'd say at 25' you need to hold 2 inches high for center target. I'll just guess that you might not be able to get a zero until say about 25 yards with a 22 short. A larger bore/caliber will extend this out to possibly 100 yards.
I'm going to give you a link to a bullet trajectory chart so you can sort of see what it is I'm trying to write. you may need to cut and past this in your browser window.

http://www.chuckhawks.com/rifle_trajectory_table.htm

Here is another chart that shows a bullet drop from the muzzle.

http://www.chuckhawks.com/bullet_trajectory.htm

Hope this was a help have fun and be safe

Posted on Dec 30, 2010

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How do you boresight a Barnett Red Dot 3 crossbow scope?


I use a 22 cal rifle laser on mine , the 22 is nearest the same diameter to the bolts I use so I can lay laser right into same bolt bed on frame that bolt normally rests in , then bench rest bow and get into shooting position then adj scope to bring crosshairs/ reddot onto laser dot at white target board , try to adj at distance you'd comfortably take a shot at

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To move the zero right which way do I turn the dial left or right? I have got conflicting advice and just want to make sure.


There should be an arrow indicating direction on the windage adjustment turret (normally the right side) of the scope. If the arrow is marked left, turn the adjustment knob the other way to move the zero right. To move the bullet point of impact right, move the adjustment knob (dial) right.

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How do i zero my tasco silver antler rifle scope


Start out at 25 yards. the scope is I believe used 1/4 inch clicks. This is for 100 yards so 16 clicks will equal 1 inch at 25 yards. Fire three shoots from a solid rest. Measure the distance left or right and up or down from the desired point of impact. and move the setting in the desired direction. ie uo is moving the point of impact up from where it is. and left or right is the same. Next fire at the desired distance and move point of impact to where you want it at that distance. If the scope is wandering all over the target make sure the scope is not moving in the mounts. If it persist in changing point of impact send it back to tasco for a replacement as it has a loose recticle. Better yet I can recomend Leupold or Burris as a better alternative if they are in your budget. Not quite a S&B or Ziess but **** close for a lot less $$$$$

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1 Answer

Which direction do you turn windage and elevation


To raise the point of impact, turn the elevation screw counterclockwise. To shift left, turn windage screw clockwise. If you raise the horizontal cross hair you will lower the point of impact of the bullet. If you move the vertical cross hair to the right the shot placement will go to the left. Make small adjustments tap the scope with a screwdriver handle to give it a shock, not to hard to help move the cross hairs and try to bore sight first. Hope this helps Fix ya up.

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My bsa sweet 17 6-18 is shooting about 2 inches high at 100 yards. on the adjustment turret it has an arrow that shows which way to turn for up. What is moving up? the point of impact relative to the...


To raise the point of impact, turn the elevation screw counterclockwise. To shift left, turn windage screw clockwise. If you raise the horizontal cross hair you will lower the point of impact of the bullet. If you move the vertical cross hair to the right the shot placement will go to the left. Make small adjustments tap the scope with a screwdriver handle to give it a shock, not to hard to help move the cross hairs and try to bore sight first. Hope this helps Fix ya up.

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1 Answer

When I turn the turrets they go in the reverse direction, WHY


To raise the point of impact, turn the elevation screw counterclockwise. To shift left, turn windage screw clockwise. If you raise the horizontal cross hair you will lower the point of impact of the bullet. If you move the vertical cross hair to the right the shot placement will go to the left. Thats just the way it works. Point your right index finger at a spot on the wall, and sight down your finger like looking at sights, then take your left index finger and pretend it is a horizontal cross hair above your shooting finger, then raise your left finger a set amount above the right, then move your hands back to the shooting position not changing the distance in between, using your left finger now as the sight. You will see your shooting finger is now pointing lower than before. This is now the new point of impact, lower not higher. Hope this is clear as mud and helps Fix Ya up.

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1 Answer

Sight adjustments


It's a common misconception that you are moving the bullet's impact on the target... the bullet is hitting where the rifle is pointing and you want to get the scope to look at that very same spot.
To move the scope's reticle up or down, turn the elevation adjustment on the TOP of the scope in the direction you want the scope to look, so if your shooting low, turn the scope's adjustment in the DOWN direction.
If you want to move the direction the scope is looking left or right, turn the windage adjustment on the RIGHT side of the scope left or right to look where the bullet is impacting. To move the crosshairs to the right, turn it right.
Hope this helps, Mark the Gunsmith

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My rifle scope is maxed to the left is there way to recenter adj screw


it sounds like your saying the turret is wound over fully to the left?
if so the scope mount is at fult...the only way to pull the cross over to the right is to pack out the scope mount with old film on the right side of the scope this will make the scope shoot futher to the right

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1 Answer

As the scope is adjusted up or down, the point of impact also moves left or right


As the scope is moved up, the impact moves down. As the scope moves to the side the impact moves to the opposite side. First, set your elevation. A bench clamp is best. After you hit paper, adjust the hairs to meet the hole. Do this repeatedly, until the bullet hits where you aim.

Sep 28, 2009 | Leupold Optics

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