When target shooting with your handguns it is important to be accurate but it is also important to develop good and safe gun handling techniques. No one technique is right for everyone. There is no such thing as one method that is perfect. If the method you use is safe and acccurate then stick with it. If the barrel is pointed at the target and maintained reasonably wobble free; your shot placement will be good. Sometimes I focus on the front sight which blurs the target and sometimes I focus on the target which blurs the front sight but I seem to shoot reasonably accurately both ways.
As an example of doing things unconventionally anyone who has seen me use a speedloader, in a revolver, will tell you I do it in a very unconventional way. But it is a safe way and it works for me and is much faster than any of the so called conventional methods that people are generally taught these days. The important thing is it works for me so I stick with it. If your technique is safe and works for you then stick with it as well.
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