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Can't get my Tac 15 i to paper tune

 
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  #8  
Old 01-31-2013, 06:41 PM
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Join Date: Aug 2012
Posts: 10
Re: Can't get my Tac 15 i to paper tune

Jon -- I got my Tac shooting bullets with a bare arrow shaft at 10 feet. However the bow was shooting way too high even for the largest Burris Signature rings to correct at 20 yards. Therefore I was forced to shim the front of the scope with two strips of duct tape and extra long screws thru the collers that hold the burris rings. I was still shooting too high so I was forced to adjust the arrow rest so I could get it hitting on target at 20 yards ?? I left the scope windage and elevation adjusters at mid range.
Paul
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  #9  
Old 01-31-2013, 08:17 PM
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Join Date: Dec 2010
Posts: 391
Re: Can't get my Tac 15 i to paper tune

Hi Paul,
Are you aware that Burris makes their Zee Rigs with different amount of adjustment for situations where more shimming is needed. Also, those guys who've used them often talk about reversing the front and and rear rings to get more height on the fronts while lowering the rear of the scope.

I can't offer much advice it this area, since I've never had to shim my scope, but I'm sure some of the other guys know more about this.

Adjusting the arrow rest is actually a mis alignment between the rest and knocking point. You were shooting bullet holes before you made the adjustment on your arrow rest, but not any longer.

It's not the end of the world, but for optimal performance, I'd recommend additional scope shimming.

Regards,

Xbow755
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  #10  
Old 02-01-2013, 02:58 AM
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Join Date: Jul 2010
Location: Alabama
Posts: 53
Re: Can't get my Tac 15 i to paper tune

Hi Paul,

I had the same problem when I first got my TAC 15.

jon.henry755's advise is right on! You will need two sets of the Signature Zee Ring Pos-Align Offset Insert Kits to get the proper adjustment. Each kit contains three (3) offset inserts, one .005" offset insert marked -5 and +5, one .010" marked -10 and +10, and one insert .020" marked -20 and +20. You will need to use the .020" inserts, (one .020" from each kit).

Rotate the front insert so that the +20 or fat portion of the insert is down and install in the front ring. Rotate the rear insert so that the -20 or skinny portion is down and install in the rear ring. This combination will give you the max tilt of your scope.

If this isn't enough, you can move the rings as close as possible to the adjustment turrets for some additional scope tilt and movement for eye relief. This is what I did to solve the problem....see photo below.

Can't get my Tac 15 i to paper tune-aut_1065.jpg

You should have leveled/squared your crossbow before mounting the scope.

You should also move your scope windage and elevation adjustments back to center before mounting the scope.

You should also move your rest back to where you weree shooting bullet holes.

Hope this helps.

Regards,

Buzzard Bait
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  #11  
Old 02-01-2013, 12:12 PM
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Join Date: Aug 2012
Posts: 10
Re: Can't get my Tac 15 i to paper tune

Thanks for all the advice Guys. ---When the weather warms up here in Northern Ontario I will try moving the scope rings as close as possible. Hopefully this will be enough for 20 yard shooting. Even if I need to use a higher mill dot on the scope for 20 yards I can live with that. Paul
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