Does your Glock shoot left? Are you a new shooter, or maybe new to Glocks? Are you right handed? If so, there is a good chance your Glock appears to shoot left (especially low left). If you are left handed, it may appear to shoot right (low right). Is it your gun or is it you?
First, how big is your group size? And from what distance?
First, how big is your group size? And from what distance?