I have a Glock 17 with an extended slide stop on it. I put it in myself and am not 100% I installed it correctly. It is a factory part. Today while shooting the pin was coming out slowly. It was coming out on the left side of the gun and when I put it back in it was kind of a pain to get in. Is this a symptom of a particular problem? I was using Winchester White Box ammo. The gun has never acted up before so I was wondering what might be wrong. Thanks for any help I may get ahead of time.