The Springfield ... 3.8" barrel and full-size frame along with a tactical model that comes with a threaded barrel and OSP optic-ready system. On the range with the standard XD-M Elite with 4.5 ...

Image courtesy of Springfield Armory. Visually, the Echelon pistol looks like a cross between Springfield’s XD-M Elite series ... with an extended and threaded barrel. Image courtesy of ...