best red dot type sight for a glock?

[fracmeister]

I have a glock 34 (the longer barreled 9 mm)-- from time to time my Boy Scouts and I enjoy trying our hand at multiple targets in rapid succession as well as range practice. Suggestions? Thanks in advance.

 

[dewingrm]

I would suggest a C-more, they seem to have quite a following over on Glocktalk. I haven't had the chance to use one yet but I have witnessed some unbelievably fast shooting with them mounted on G34's.

edited to add that the Tasco Optima looks like it might be fun. The cool thing about the Optima is the it replaces your rear sight so you don't have to buy a mount.