Considering this, do Infantry carry pistols?
A service pistol is any handgun or sidearm issued to military personnel or law enforcement officers. Pistols are not typically issued to front-line infantry. Before firearms were commonplace, officers and often NCOs typically carried swords instead.
Furthermore, what is the standard infantry rifle? M4
Then, is a heavy gun used by infantry soldiers?
According to U.S. Army regulations 320-5 (AR 320-5) "heavy weapons" are all "weapons such as mortars, howitzers, guns, heavy machineguns and recoilless rifles which are usually part of infantry equipment."
What is the role of the infantry?
The role of the Infantry is to seek out and close with the enemy, to kill or capture them, to seize and hold ground, repel attack, by day or by night, regardless of season weather or terrain.
