Try checking out these links....
www.topglock.com
www.lonewolfdist.com
www.glockmeister.com
www.glockstore.com
www.theglockguy.com
These should have factory and after market sights.
www.topglock.com
www.lonewolfdist.com
www.glockmeister.com
www.glockstore.com
www.theglockguy.com
These should have factory and after market sights.