I was ensured by many that my 9mm glock conversion...

I was ensured by many that my 9mm glock conversion barrel (In my Glock 35) would work just fine using the standard .40 magazines. Not so my friends. It would constantly double feed. I bought the 9mm magazine for a Glock 17. It works flawlessly and, the price was excellent. Thanks for being there for me. RSW