I have a couple or 3 pistols that shoot really low at 10 yards. My M&P Pro is one of them and I changed the front sight with a new Dawson front. The internet is full of responses that this is normal and the POA and POI will come together at 25 yards.
I dont see how that is possible.
From shooting AR-15s and mounting all kinds of sights on them and other rifles I learned HOB ( Height Over Bore) affects how you hold a rifle to hit targets at distance other than the sighted in distance. You also consider HOB in battle sighting a rifle so you know a bullet fired from it will have a POI somewhere between 2 inches low to 2 inches high from POA at any range out to 250 yards.
Pistols have a small HOB compared to a rifle so I dont see how one could ever shoot lower than the HOB amount at close ranges yet still converge at some farther distance. If the bullet leaves the barrel 1 inch below the line of sight at the muzzle and rises to cross the line of sight at 25 yards how can it be 3 inches low at 10 yards?