In my opinion, IF you are a top of the class precision single-shot target pistol shooter, then you might notice the difference, since the shooters at that level use nothing else, no matter which side of the Great Water they reside. Swiss IS around 10% more bangish [to use a technical term] than the regular stuff from Mr Krank, Go-Ex et al.

However, only you can decide if it's worth the highly noticeable price hike.

tac