That's because there is no benefit.Other than doing this just to make sure there are no serious issues with everything "lining up" well I really don't see a benefit to doing it.
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Recentering a scope reticle
- Thread starter K9TXS
- Start date
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Been there done that
johngibbs222
Well-Known Member
- Joined
- Jun 15, 2012
- Messages
- 216
Has anyone tried it? Perhaps it's me but I can see next to bugger all when I block the end of my scope with a mirror. I tried it with the reticle illuminated and off, btw.
Extremely sceptical as I just checked the date and it's not April 1.
Extremely sceptical as I just checked the date and it's not April 1.
Varmint Hunter
Well-Known Member
I may occasionally center a reticle before mounting and bore-sighting a scope. If a properly centered reticle is way off on the bore scope, it is an indication that you have a mounting issue.
I must say that the mirror trick is a novel idea that I didn't know about.
I must say that the mirror trick is a novel idea that I didn't know about.
Many years ago my brother bought a used rifle with mounting holes not drilled perfectly in line and that's how a gunsmith showed my brother the screws were not drilled correctly. Gunsmith wanted to weld the holes, refinish action and redrill holes using the correct fixture, costing a lot of money for a Mark X rifle (I think it was) .
Since the rifle shot well he put the little cap screws in holes and had the gunsmith use his fixture to re-drill new holes.
Point is the mirror trick worked well.
Varmint Hunter
Well-Known Member
I had a similar experience with a custom rifle, of all things. The simple, no-cost, solution was to use a set of Burris Signature Zee rings with off-set inserts. By rotating the inserts, I was able to easily move the centered reticle in line with the bore.
The Burris Signature rings are the most underrated rings in the industry.
I've tried this trick a couple of times and was never able to see the reticle well enough to do the alignment. An ordinary mirror uses glass that is too thin to let in much light.
Some of this has been covered, but-
1: It can help determine if your receiver is drilled and tapped off-center. This happens more often than you might think.
2: It can help determine what scope base you should use to optimize scope elevation travel for your particular system and intended use. The top of the receiver is not always parallel with the bore, either.
You can optically center your scope, then shoot at a big piece of paper at 100 yards, and determine exactly where the barrel is pointed, vs. where the scope is "looking". This will show any windage offset due to crooked holes in the receiver, as well as show how much of your available elevation travel you will use to zero the rifle, and help determine if you need a 10, 15, 20MOA base, etc.
1: It can help determine if your receiver is drilled and tapped off-center. This happens more often than you might think.
2: It can help determine what scope base you should use to optimize scope elevation travel for your particular system and intended use. The top of the receiver is not always parallel with the bore, either.
You can optically center your scope, then shoot at a big piece of paper at 100 yards, and determine exactly where the barrel is pointed, vs. where the scope is "looking". This will show any windage offset due to crooked holes in the receiver, as well as show how much of your available elevation travel you will use to zero the rifle, and help determine if you need a 10, 15, 20MOA base, etc.
