EntityQ15991101· pop 5· linked from 146 articlesSIG M400Sign in to savefamily of firearms by SIG SauerConnectionsdirect impingementEntityM16EntitySIG SauerCompanyAR-15–style rifleEntitySIG Sauer GSREntityUnited StatesCountryBrazilCountryIraqCountryPhilippinesCountryOmanCountrymachine gunEntityrifleEntitypistolEntityshotgunEntitysubmachine gunEntitycartridgeEntitycarbineEntitygun barrelEntitysniper rifleEntityM4EntityCategories.300 BLK firearms5.56×45mm NATO semi-automatic riflesAR-15 style riflesAssault rifles of GermanyAssault rifles of the United StatesSemi-automatic rifles of the United StatesSIG Sauer riflesWeapons and ammunition introduced in 2010