Just picked up a 75 compact off gun broker. My question is when I field stripped it, the little bar in the sear cage that lifts the firing pin block is flat in top. I've done 3 of the CGW short reset kits, and have 3 additional CZ's and all of them are rounded on top. Is this something new or a badly warn part. The gun looks very good, it does have a little trigger creep that I have not seen in my other guns. Strange