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The problem is manufactures usually make the reticle to thin, it may look nice at 20x but at 3x they just disappear in low light.
There are a few lower powered FFP scopes that have a reticle that is...

I picked up an Athlon Helos 2-12x42 and it's damn near perfect for what you are after, it's a cheaper scope so the glass isn't as good as a VX5/6 but is probably on par with the VX3.
The locking...