Sig Sauer is a firearms manufacturer headquartered in Newington, New Hampshire. The company produces pistols, rifles, ammunition, and optics for military, law enforcement, and civilian use. Its P226 and P229 pistols have long served military and law enforcement units; the P365 micro-compact holds 12+1 rounds of 9mm in a small frame; and the modular P320 uses interchangeable grip modules and can be reconfigured for different calibers. Sig Sauer's rifle lineup includes the MCX series and the SIG716 AR-10 platform, alongside precision bolt-action rifles and tactical optics.