Again from observing many students and public shooting the 40s. Most folks are frankly a bit surprised at the “abrupt” nature of the 40. It is a nasty round to be sure. They are coming down in price due to the reduced velocity of sales for them. A couple of years ago everyone wanted one, now they have diminished a bit in popularity. They hit hard and they shoot hard. A solid firm grip is essential, take it out to the range and shoot it. We would love to hear your results. For me honestly, they fatigue my wrist in a very few rounds. To quantify I consider very few rounds maybe a 200 round session. At about 150 I can feel the fatigue setting in and my concentration wanders as does the POI! (point of impact) But I still own one and shoot it! Nasty round.
