Bore Sighting and Maxed Out Elevation

Here's your issue...(see photo)

The integrated rail is 20 moa, you'll never zero at 25 yds with that scope.
 

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Do yourself a favour if you haven't already and take the base off the rifle, degrease it and apply Loktite to the screws. The last three we have mounted optics on were not Loktited. Make sure you don't lose the spring and ball bearing that is part of the bolt stop when taking it apart.
 
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Tamer said:
I appreciate this response. Thank you. I’ll give up on the 25 yard idea and shoot at 100 instead. Wish me luck. :)
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strong suggestion.
IF you are new to this, dont start the zeroing at 100, you'll waste ammo.
Start your zero at the 50 or even 25y range, just to get on paper. Then move to the 100 to fine tune.

Spent a while trying to spot for a new guy with a 6.5cm and razor. They didnt know anything about the scope, what mils were, the zero stop that was set too high etc. He wasted a bunch of boxes trying to get on paper. So start close then move out, conserve ammo,
 

LeftFootOfDoom said:
strong suggestion.
IF you are new to this, dont start the zeroing at 100, you'll waste ammo.
Start your zero at the 50 or even 25y range, just to get on paper. Then move to the 100 to fine tune.

Spent a while trying to spot for a new guy with a 6.5cm and razor. They didnt know anything about the scope, what mils were, the zero stop that was set too high etc. He wasted a bunch of boxes trying to get on paper. So start close then move out, conserve ammo,
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All things considered, I am new to this. I know a bit - but some of the math is over my head for sure. I think the 20 MOA base was throwing things off for me. But ya, I think 25 yards is too close. I'll probably start at 50 (hit paper and dial in) and then move out to 100 from there.
 
When I bore sight in a new scope I bore sight at 100m and my first shot or two is at 50m, have always been on paper and relatively on my intended point of aim. Then I’ll move out to 100m, doesn’t usually take more than half a box to get zeroed in.
 
With a good dirt backstop, I'll just pick a clump, take a shot, dial in from the splash, I do that with semi's etc that you can't get a look down the bore to bore sight. Couple rounds I'm pretty much zeroed on paper.
 
I ran into the same issue and discovered that a 20 Moa rail should be zeroed at 200. Once the scope was zeroed at 200 there was still elevation adjustment to spare
 
brewmech said:
I ran into the same issue and discovered that a 20 Moa rail should be zeroed at 200. Once the scope was zeroed at 200 there was still elevation adjustment to spare
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It's really only and issue with scopes that have lower end adjustment range...40moa scope only has 20up and 20down, 50moa 25, ect.
Get into a 80 or 100moa scope a 20moa base won't be any kind of issue to zero at 20m.
 
Well I got impatient and wanted to keep testing. I cut some paper (8.5" top to bottom) and hung it up on some poles down the road at unknown ranges. I went back and used my reticle to range them (W=RM). One at 54 yards and one at 81 yards (I know random, but I'm working with what I have).

I attempted to bore sight but am still encountering the same issue. The bore is centered over the target but when I try to dial the scope to match, I run out of elevation. Even at it's highest elevation, the reticle is still sitting well below the target. Getting so frustrated!
 
billbmcleod said:
Bore sight at 100 yd. and use a BIG sheet of paper. Your first shot if good will give you enough measurements to put the next one on a target for fine tuning!

Bill
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I've done this when required. Easiest was to buy a roll of graph paper from staples and some bright colored stick on target dots for aiming points. - dan
 
Tamer, I use posterboard from $-store, 2 fer $1.25. Just draw some dots on it, in rows about 3-4" apart for when you get it zeroed - you won't have to go back and forth. Start by aiming at the center of the poster and see where you hit, then adjust 'to fit'. However, I feel that those rings are too tall. I have Vortex Pro LOW rings on both my Sav B22-FV and my CZ-455. The B22 has only about 1/32" clearance of the front bell, but the CZ has about 1/4" and both have Cabelas Covenant-4 6-24x50mm FFP. That scope is the same as what you have, I believe. Cheap at about $450 when new, tho they cleared them out at around $200 when the C-5 came out. Both rifles are Zeroed at 50 and I shoot 100 yd groups ~ 1-1.75" just holding ca 6", depending on the ammo. If I plan to shoot a lot at 100+ I dial up the Z.
Also, I have 65# "Astrobright "97 Bright" cardstock for 'cleaner holes' when I want, better than 'copy paper'. Only $17.99 for 150 pgs.Sav B22 Obj 1-32nd clearance.jpg
 
Fire one shot at 25 yards on a large target and adjust accordingly. Forget all this bore sighting at 25 yards.
With your scope center so high to the bore line, at 25 yards you should be about 2 inches low to be on paper at 100.
 
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