Jerry Miculek compares the three most popular polymer frame guns. He goes over trigger pull, disassembly, mechanism,
There is a point where trigger pull is measured and Glock comes in around 8 lbs. This is not a shenanigan. Glock tends to have an internval for triger pull and 5.5 lbs is not exactly what it is in actual pull.
From: Miculek.com