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Facing an issue with scopes

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Jshooter71:
Hani, like Tater said, you need to find the apex of the trajectory of your pellet’s point of impact (POI). Since your Diana Chaser did the same thing with different scopes, the rifle and your pellet choice is at least consistent, that’s a good thing. If you don’t have a chronograph and trajectory software, you can just keep shooting groups at further distances. Say, from 10 meters out to 60 meters, if that’s available to you, in 5 or 10 meter increments. You’ll find where the pellet comes back down and hits the bullseye again. Typically, if you’re going to shoot varying distances with an airgun, you would zero your scope for the apex of that curve, say 30 meters. From there, you could use holdover or hold under to correct for your hold from zero, once you understand where the POI is at the other distances. Here’s a link to another GTA thread on “what distance do you zero your airguns for?” : https://www.gatewaytoairguns.org/GTA/index.php?topic=184465.0

Doflamingo:
Thanks all of you guys
Tater
JShooter 71
Yes I have chrony
My chaser with 8.5gr pellet 4.5mm 670 FPS with rifle barrel and 570fps with pistol barrel

Jshooter71:

--- Quote from: Doflamingo on January 14, 2024, 08:43:37 AM ---Thanks all of you guys
Tater
JShooter 71
Yes I have chrony
My chaser with 8.5gr pellet 4.5mm 670 FPS with rifle barrel and 570fps with pistol barrel

--- End quote ---

Sounds good, Hani. You might try a 20 meter zero and see what groups you get at 10m, 15m, 20m (Zero), 25m and 30m, etc.

avator:
I always use the lowest mounts possible when mounting scopes. Clearing mags is the biggest consideration.  A bore laser is also a handy tool.

https://www.amazon.com/22-caliber-bore-sighter/s?k=22+caliber+bore+sighter

Doflamingo:

--- Quote from: Jshooter71 on January 14, 2024, 08:50:12 AM ---
--- Quote from: Doflamingo on January 14, 2024, 08:43:37 AM ---Thanks all of you guys
Tater
JShooter 71
Yes I have chrony
My chaser with 8.5gr pellet 4.5mm 670 FPS with rifle barrel and 570fps with pistol barrel

--- End quote ---

Sounds good, Hani. You might try a 20 meter zero and see what groups you get at 10m, 15m, 20m (Zero), 25m and 30m, etc.

--- End quote ---
Yeah that would be the best solution

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