General discussion > Black Powder Shooting

I just don't get adjustable tang sights

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DavidC:
I understand the idea of having a sight set as far back as possible, but I don't understand how the vernier tang sights can be reliably accurate, because as you adjust the height of the rear sight, you're surely going to shift slightly left or right of the front sight. That would mean you would have to constantly re-zero the sight if you adjusted the height for a different range. The only way past this would be if the sight is positioned so the bore axis and sight adjustment axis are perfectly perpendicular with the shooting plane.

Am I missing something, or are you setting the sight, both elevation and windage, for a specific range? Can you ever adjust elevation without also needing to significantly adjust windage? 

dadybear1:
I THINK(JUST ME) YOU ARE ON TARGET... LIKE A SCOPE  THE FURTHER THE RANGE THE MORE OUT SIDE FACTORS INFLUENCE ACCURACY( WIND-EARTH REV-HEAT/COLD ETC)

snapper:
When I setup a tang sight for long range shooting, I use a level on the staff to get it square with the rifle.   The last one I did I used a digital "tilt" gauge that is for a setting your table saw blades to be square.    I think it went to .001.   

I keep a book with my sight settings in it for each rifle.  Setting the tang sight for yardage is fairly straight forward, when it comes to left and right you simply crank on your windage settings.   For target work you have sighters before you go for score, so it is not a big deal (normally) to crank in some left or right.   Throughout the match I am cranking on left and right and up and down as conditions change.

It is rare that even your elevation settings are right on from one match to another, but as long as you are fairly close. that is what the vertical and horizontal adjustments are for.


Fleener

DavidC:
Do some of the sights have a tilt adjustment for the staff, or do you shim the base in some way to level it?

Bob Roller:
The sights I  have made for BPCR and the one long range muzzle loader I made all had a 4x48 screw to adjust tilt.On the muzzle loader the staff folded  forward and on the BPCR's all folded back to allow for cleaning.Only one had windage and the rest had an adjustable front sight with a bubble level.
Bob Roller

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