Magwell for Gen 4 Compact (23)

Has anyone used a magwell for a Gen4 19 or 23? I'm looking for light weight lower profile to avoid magazine bite on my palm. The only two I really see are these;



http://ift.tt/1DI8zoT



http://ift.tt/1LsbiBV



Anybody used one of these and what do you think about it?

Magwell for Gen 4 Compact (23)