I recently purchased a PT1911 and I noticed that the ambidextrous safety lever do not line up when you look at the gun from the rear. The right thumb safety is slightly lower than the left (the side with the slide lock/release), which makes it hit the top of the Hogue grip that I installed. I had to cut a small notch on top of the right grip to make sure the safety lever will go all the way down when disengaged. Is this normal? If not,, is there a way I can adjust it so the right lever will line up with the left? Or do I have to take it to a gunsmith?