The 75 mm M3 gun is mounted in the M34 gun mount with the periscope, a skinny gun mount compared to the future M34A1 which all future 75 mm M4 Sherman guns are mounted. Though at its battle rating, its armour is still effective against smaller gun calibre enemy fire. The last is the vision blocks at the top of the front plate.

First is in the hull front and side joint with slightly flat angles when angling the tank, the next is the cast construction which diminishes the labelled effectiveness of the front armour. This causes the front hull armour to have a varying slope angle across the glacis, but it also presents several weaknesses. The M4A1 Sherman is distinctive from its cast hull construction, causing it to have a curved hull shape. The in-game model is the basic Sherman design during the years of fighting in North Africa, informally called 'Sherman 1' with a basic M38 telescopic sight inside the M4 periscope as the gunner's main method of aiming. The M4A1 is the first Sherman to be unlocked in the American ground tree and provides the player a new balance in armour, firepower, and mobility to use against the enemy. It was one of the first American tanks to be released with the American ground tree in Update 1.45 'Steel Generals'. The Medium Tank M4A1 Sherman is a rank II American medium tank

M4a1 sherman u.s tank world war toon