I had read lots of good things about the winchester PP's so when I seen them in wal-m rt I picked up 3 100 rd boxes. And I have to say these gotta be way different than what they used to be like, because they were GARBAGE, and if the old PP's shot like these no one would like them.
I found them to be very incosistant in power, you would get 3-4 with a good crack to them and then you would get a real dull sounding one or two, also they would not group well at all. On top of that they were very dirty, I had better luck with a 500 pack of dynapoints that I bought at the sametime. With the dynapoints you'd get a few dull sounding ones but they all seemed to group decent for bulk pack stuff.
For $6.97 per 100 the PP's are definatly NOT worth it.
P.S. It wasn't only me who had trouble with them as a few different people at our range had some and no one like them.
Also I'm not doubting you cz452 I'm sure you have had good luck but whats out there now is junk.