SWFA 3-9 possible tracking issue or something else?

[Terrapin]

I fought this for several weeks on a rifle… I had entered 1.8” on the scope offset and 0.0” on the scope height. Everything looked right on the ap, but all my numbers were 1.8 MOA off.

I don’t think this is what you have going on, but I sure chased my pecker for a while


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[eric1115]

So for everyone who was saying that I needed to make sure my rifle was zeroed dead on, looks like I did need to come up and right one click. It was hard to tell that before since all my other 100 yard 10 shot groups were just over 1.5 moa. I skipped the coffee this morning to be real steady.

My target was not tall enough to shoot 10 mils high, so I shot 7 mils. And measuring from the center of each group, it looks like my scope adjusted 7.5 mils.
View attachment 1008389View attachment 1008390

Good shooting! Looks like mystery solved.

 

[1000yards]

Good shooting! Looks like mystery solved.

I'm guessing so, unless anybody else can see something I'm missing. I'd like to do another tall target test at 7 and 12 mils to find the actual correction factor, but it looks to be around -10%. Then the question is do I send it back or just learn to live with it. I don't ever plan to shoot any game past 500 yards so I think I'll be ok.

Edit: I'm from the South and I can't math. The scope IS tracking correctly.

 

[pods8 (Rugged Stitching)]

so I shot 7 mils. And measuring from the center of each group, it looks like my scope adjusted 7.5 mils.
View attachment 1008390

Assuming this is 100yd that IS 7mil not 7.5mil adjustment. 7mil x 3.6"/mil @ 100yd = 25.2"

7.5mil at 100yd = 27"

 

[1000yards]

Assuming this is 100yd that IS 7mil not 7.5mil adjustment. 7mil x 3.6"/mil @ 100yd = 25.2"

7.5mil at 100yd = 27"

Oh yeah you're definitely right. I was multiplying by 3.3. Thanks for checking. I told you all I was new at this!

 

[eric1115]

Assuming this is 100yd that IS 7mil not 7.5mil adjustment. 7mil x 3.6"/mil @ 100yd = 25.2"

7.5mil at 100yd = 27"

Good catch!