huntersteve1 0 Posted April 10, 2014 Report Share Posted April 10, 2014 Im hoping some one might be able to help me out with this one. I've just got a MTC mamba 4-16x50 and want to calibrate it correctly. The manual I got with it only tells you the caliberation based on a mounted scope height based on 1.75" where as mounted on my air arms s410 .22 it sits at 1.26". I was thinking of using chair gun to do this but having watched one of si pittaways videos on YouTube he said they tried to use this to do Daves scope and it wasn't very successful. Any help welcome. Quote Link to post Share on other sites
PIL 7 Posted April 11, 2014 Report Share Posted April 11, 2014 Welcome to the site mate I think you have to measure center of scope to center of barrel . My s510 is roughly 2" center to center . Not telling granny how to suck eggs here but measure overall bottom of barrel to top of scope then minus half the thickness of barrel and half the thickness of scope , 50 mm scope you said so there's an inch straight away . When you've got this measurement use this as a guide on chair-gun . The best thing to do is set targets out every yard from 8 yards out to say 55 yards or the length of your garden and tweak chair-gun to suit . When I say 8 to 55 yards , some gardens are only small so chair-gun will fill in the missing data , obviously you will need a chrono to find out how fast your pellet is fireing . Let us know how you get on Quote Link to post Share on other sites
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