Green/Red Dot Problem... Maybe you can help

[bakoline]

Hi there,

 

I bought this particular red dot + laser and from the first day this part (see in pic) has a wobble, I have no idea how to make it tight, I try to take out battery cover but there is no any screw or anything.

 

I would be very happy if you can help

 

http://www.ebay.com/itm/Tactical-Holographic-Reflex-4-Reticles-Red-Green-Dot-Sight-Scope-w-Red-Laser-New-/281418433046?pt=LH_DefaultDomain_0&hash=item4185d88216

[two_zero]

use duct tape for spacer^^

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Miss reed. plumbers tape or send it back.

[Samurai]

I had a similar battery holder on my old red dot. On that, when I removed the battery, there was a metal ring around it, with two notches in it. I used a seeger plier to turn it. Once removed a bottom plate came out, and there were 6 small screws that could be tightened. Don't tighten them too much, you won't be able to turn the dial.