"Swiss Arms" Red Dot Sight not working?
 

I bought the Swiss Arms Red Dot Sight just for the hell of it for $13.
I didn't expect much of it, but for some reason, the crosshair won't adjust. When I turn the knobs, it won't move! I know it's a piece of crap, but shouldn't it at least work a little bit like it says? What could be the problem (if there is one)?

I haven't had one of those myself but I've heard from a few folk with low dollar optics that just didn't adjust very well.

I'd try widing both adjusters over their entire range back and forth a few times to see if that frees them up.

Yeah, I've tried that, and I'm pretty sure it did more damage than help :P
When I get home I'll take er' apart and see if that helps.

I see that you have made a link to pyramydair. Is this where you bought the red dot sight for your airsoft rifle? If so, I would definitely contact pyramydair. I have purchased many airsoft guns and accessories from them, and I can say that they have EXCELLENT customer service. I'm sure they would replace the red dot sight for free if it is defective.
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airsoft sniper rifles rule!