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Never even heard of it. Is Geissele the model of it or the actual name of the company who makes it? How much ball park figure?
In the sub-$100 range I don't think you can do much better than the RRA two-stage.
I know the owner of X-Treme Shooting products.A lot of people just lately are putting the X-Treme trigger (http://www.x-tremeshooting.com/index.php) up against the Geissele. Roughly the same money. Both are really good.