Models of the Springfield Armory Echelon 4.0C include a threaded models equipped with a 4.28" barrel threaded 1/2x28 at the muzzle and capped with a knurled thread protector. This option is ...

with the 17-round magazine installed. Among the models that Springfield is offering in the Echelon series is a pistol with an extended and threaded barrel. Image courtesy of Springfield Armory.

The Echelon is initially offered with a flush-fitting 4.5-inch hammer forged barrel, but longer, threaded-muzzle barrels will be available. Models will be available with three-dot tritium sights ...

The Echelon is reliable, accurate, and optics-ready. The weapon has a threaded barrel for you to attach any muzzle devices and comes with multiple sights. Plus, the Picatinny rail allows you to ...