Cannot zero inline - The HuntingPA.com Outdoor Community
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post #1 of 22 (permalink) Old 10-23-2018, 03:33 PM Thread Starter
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Cannot zero inline

I need some collective wisdom. I have a CVA Optima V2. Sighted it in 2 yr ago with a Nikon Prostaff 3x9 BDC and it shot really well. Didn't touch it last year due to injury. Took out today and it shot2" low @ 100 yds. Tried elevating 2 " and it shot the same. Raised it 2 more inches and stayed low, no upward movement at all. What gives? How an anything happen to it when all it has done is sit in gun safe for 2 years?

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post #2 of 22 (permalink) Old 10-23-2018, 03:45 PM
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What are you shooting out of it such as the powder and bullets

WILLY P
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post #3 of 22 (permalink) Old 10-23-2018, 05:39 PM
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Try tapping the adjustment screw, with the plastic handle on a screw driver. See if that works. After season send it back to Nikon for repair. Also try turning the adjustment both up and down to see if that helps.
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post #4 of 22 (permalink) Old 10-23-2018, 05:54 PM
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Do you have another known good (from your shooting it) scope you could try on the rifle?

Rich Deerhunter
Lock Haven, PA
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post #5 of 22 (permalink) Old 10-23-2018, 06:14 PM
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If groups are tight(and consistently low) after adjusting scope elevation 4"....sounds like a scope problem.

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post #6 of 22 (permalink) Old 10-23-2018, 06:32 PM
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If it doesn't move after tapping the turrets and moving them both around, you could try shimming the rear ring for a temporary fix. A shim or two cut from a soda can and placed between the ring and scope should raise it enough to get you close to zero.

As stated before, if it is grouping, sounds like a scope problem that needs to be addressed.
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post #7 of 22 (permalink) Old 10-23-2018, 09:01 PM Thread Starter
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I do have a spare scope but I'll try taping on the adjustment knobs. I'm going to call Nikon also just to see what they have to say. Thanks fir your thoughts.
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post #8 of 22 (permalink) Old 10-24-2018, 06:16 AM
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Did you only shoot 3 shots?Was the gun dirty when it shot really well.Was anything different when you shot the first time.
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post #9 of 22 (permalink) Old 10-24-2018, 06:30 AM
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Curious what Nikon says.

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post #10 of 22 (permalink) Old 10-24-2018, 09:45 AM Thread Starter
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I fired many shots trying to zero and swabbed after each shot. That's the same technique I used originally when first sighted in. I'm using 100 gr (2 pellets) with 250 gr Barnes all copper sabots. Will call Nikon and post their thoughts after doctors visit this PM. Also after trying to adjust with turrets I shot on second circle (BDC) and made no change in point of impact. So really sounds like scope issue.

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