Like Glock’s other pistols, the G44 is built around Glock’s Marksman Barrel, a unique design that forgoes traditional grooved barrel rifling in favor of a polygonal barrel. Glocks maintains that this design provides a better gas seal between the bullet and barrel, as well as less bullet deformation. Both of these qualities translate into reduced barrel fouling and wear as well as better downrange accuracy. In the case of the G44, the barrel is 102 millimeters, or 4.02 inches long. The introduction of Glock’s Gen 5 models saw additional serrations added to the front of the slide, a feature that...