These are incredible sights.  I've put these on lots of guns and all of our customers and friends love them.  
You can come into our shop, use our sight pusher and get our oversight putting these on at no additional charge.

We have all the tools you need, right  here in Hendersonville, Tennessee.

These fit Gen 1-4 models 17, 19, 22, 23, 24, 26, 27, 33, 34, 35, 37, 38, 39 

We are located at 257 New Shackle Island Road, Hendersonville, 37075