[jjwestbrook]

i used to have the same problem. I tried the gen 4 and didn't like it. I added the gripforce adapter to my gen 3 19for a while. it changed my grip and improved my accuracy. after using it a while I removed it . still maintained the accuracy and I hardly get the slide bite anymore

 

[jjwestbrook]

I have the same mark on my right had from the gen 3 glocks