If you have been use to shooting other calibers that may be the issue with you feeling a little uncomfortable with the recoil of the 40 Cal. They seem to have a quicker and sharper recoil. And then your selection of ammunition can have a lot to do with it. I found the 165 gr. Federal Hydra-Shock for example seemingly having a sharper recoil than that of the 180 gr.Federal Hydra Shock. And certainly defense loads are hotter than normal loads as a rule. So selection of ammunition to make it more comfortably for you. In addition assurance of the proper grip seems to be important to manage recoil. Be sure to hold high on the Pistol Grip when firing the pistol. Another thing you might try is getting one of the Pachmayr Slip on Pistol Grips. I have one on my Glock 40 and they feel and handle excellent! Hope these ideas help with your concern. Enjoy that new pistol!
The Constitution is not an instrument for the Government to restrain the people. It is an instrument for the people to restrain the Government!
Today, we need a nation of Minutemen, citizens who are not only prepared to take arms, but citizens who regard the preservation of freedom as the basic purpose of their daily life and who are willing to consciously work and sacrifice for that freedom."
-- John F. Kennedy