If you’ve ever taken your elevation or windage to the extreme and tried cranking the magnification, there’s a chance you’ve been scraping the erector (inner tube) against the inside of the scope’s main tube. Now would be a good time to move that inner tube to the center of the outer tube, take the pressure off the walls, and re-zero from there.
For internally-adjusted scopes, the process is pretty much the same.
1. Walk the scope up (elevation) and to the right (windage), taking the pressure off the internal spring.
Keep going until you’ve hit the limit on both, stepping each a few MOA at a time to avoid damaging the erector unit.
2. Now, look up or estimate the total amount of travel each of those turrets will have.
Divide that number in half.
3. Dial the elevation and windage down to that halfway value, stepping each one a bit at a time – like putting a car tire back on.
4. Done! Now go ahead and work the zoom, make sure nothing is sticking, and then go re-zero your scope.
For example, one of the scopes has a total adjustment of 50 MOA on the elevation and windage. The middle would be 25 MOA. Move the windage all the way right and the elevation all the way up. Then step down and to the left, 5 or so MOA at a time. Once you’ve gone down 25 and left 25, you should have the erector unit (inner tube) floating in the middle of the outer tube (scope body). You should have your full range of motion back, and this provides a good baseline to re-zero from. Plus, it tends to free up stuck magnification rings.
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Is this really necessary? Let's say the windage and elevation are already maxed out one way or the other. When you fire your first shot, it will be way off. So you position the crosshairs over the impact point, then adjust your windage/elevation so that the crosshairs are over your original aim-point (e.g., center bullseye). Done… the scope is calibrated. If for some reason you have to turn the dials back to the extreme to get it sighted in, then there's something else wrong… perhaps with the way it's mounted to the rail. Am I missing something?
I'm confused…but that's nothing new. Lmbo
Great Vid…
Hi expert why my scope i view the images not stabeliz move around??? Thks expert
Thank you but 1 thing is still not clear from the video. I'll take elevation only as an example so correct me if I'm wrong: the spring is below the erector tube and the turret above it. So to relax the spring the turret needs to be turned outward/up. The direction as you says is left/counter clockwise. However, if you think about it, that is the same direction as when you want to move the point of impact UP as written on the turret. But this is the same as moving the reticle down! So the erector tube is moving down?? Confusing. Thanks for the help
Thank you. For this video
Very important and informative, thx
This video was helpful. But the problem I am having is the sights on my rifle scope are reversed what I mean by that the elevation moves right and left the windage moves up and down. Is there anyone out there that can help me with this problem pretty crazy!
I will sight in my M1200 next week
Very informative brother! 👍🇺🇸