I have a Hawke Scope on my Gamo Silent cat. I set scope at at 20 yards and move to 30 yard. Target is hit 3-4 inches high. If I site in at 30 yards, it shoots 3-4 inches low at 20 yards. Everything is tight. Use same pellets. I once could hit squirels at 15-50 yards. I am at wits end
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Scope sighting moves
- Thread starter tman4217
- Start date
Check the mounts/rings to make sure nothing came loose. Pay attention to breath control and trigger squeeze. Pay attention to sight picture and how you hold the rifle.
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I have been shooting Gamo air rifles more than 10 years. Shooting rifles 50+ years. I have continually checked rings and tightening them with torck
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I have been shooting Gamo air rifles more than 10 years. Shooting rifles 50+ years. I have continually checked rings and tightening. Thank you for your thoughts. It has to be something either gun or scope.
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Are you changing the power of the scope when you change yardage? If so your POI will change with the magnification change. That's been my issue with Hawke 10-50. It's useless unless sighted in at a specific power at a specific range.
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I do not change anything. I have a new rifle coming and will see if scope does same thing on it.
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From my experience so far, if a scope goes bad you will see more of a pattern instead of anything resembling a group. The kind of variance you describe is not possible assuming scope, mounts, and gun are within acceptable tolerances. I played with Chairgun Pro trying to come close to what you describe and couldn't do it with any scope height setting, speed variation, pellet size (177), and even zeroing methods.
I don't own a Silent Cat so had to look them up and saw most had iron sights so if yours has the same setup try the irons to rule out the scope.
Another thought I had was concerning something getting into the baffles. I once had a similar moderator design and had some weird groupings. I first thought I might be clipping a baffle or end piece but during an inspection I saw something that didn't belong inside the moderator and after much effort retrieved a cleaning patch. I don't recall losing one but there it was.
It will be interesting to see what you come up with so good luck...
I don't own a Silent Cat so had to look them up and saw most had iron sights so if yours has the same setup try the irons to rule out the scope.
Another thought I had was concerning something getting into the baffles. I once had a similar moderator design and had some weird groupings. I first thought I might be clipping a baffle or end piece but during an inspection I saw something that didn't belong inside the moderator and after much effort retrieved a cleaning patch. I don't recall losing one but there it was.
It will be interesting to see what you come up with so good luck...
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Thank you for your suggestions, I have a new gun coming this week and I am going to mount this scope on it and see what I find. I will try the iron sights. Thank you and I will respond with what I find.
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