The SIG P320 is a modular striker-fired semi-automatic handgun made by SIG Sauer. It features a separated trigger group which can be switched between various models, utilizing a striker-fired mechanism in lieu of a double action only hammer system. Available in various calibers.
On 19 January 2017, the P320 was chosen to replace the Beretta M9 as the main service pistol of the US Army.
