The Sig Sauer 320 Polymer-Frame Duty Pistol is customizable to any sized hand, with a modular grip frame and removable fire control assembly. It can quickly be converted from a full-size to a carry pistol, while slide and barrel conversions allow the P320 to change calibers—9mm, .40 and .357SIG, with .45ACP—as well as a variety of barrel lengths.
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