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Old 14th January 2014, 09:44 AM
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RobF RobF is offline
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Join Date: Mar 2010
Member of: Southampton Buccaneers, Parkstone, South Dorset
Location: Poole, Dorset
Posts: 10,168

Originally Posted by mikeyblue View Post
Hi All,

Been having this same problem myself, so frustrating. Its a V-Glide 97k and is absolutely stunning to shoot.

Zero the day before a comp, stacking pellets behind the crosshair only to find come comp day POI is anywhere between 0.5 - 1.5 inches high.

Reading through this thread the common trend seems to be V-Mach in its various guises. This is leading me to think the piston seal may be more/less efficient in different temps. I have another 97k with a standard piston seal and this does not experience POI change. I intend to try a standard seal on the V-Glide to see if this helps any.

Kind Regards,

When I saw variations, there was nothing seen on the chrono.
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