Protection map from the Squad Wiki: coloured by what penetrates, at close range and a neutral angle.

M1A1 protection map: M1A1 AUS — M1A1 AUS.png, Squad Wiki, CC BY-SA 4.0

M1A1 protection map: M1A1 map — M1A1 map.png, Squad Wiki, CC BY-SA 4.0

Protection map of "M1A1 AUS, M1A1" at close range and neutral angle. Shooting from angles may affect armor values. For reliable penetration at most angles aim for "<550mm". T62 (115 mm cannon) can only penetrate "<550mm". NOTE: Physical mesh does not align with visual mesh.

Interactive 3D armour replaces this once the vehicle has been exported from the Squad SDK.

M1A1

Main battle tank · USMC, ADF

In the game

Class	Main battle tank
Health	3,000
Ticket cost	15
Seats	3 crew · 0 passengers
Top speed	79 km/h
Ammo points	50
Respawn	20 min (15–20)
Fielded on	45 layers
Blueprint	BP_AUS_M1A1, BP_M1A1_USMC_Woodland, BP_M1A1_USMC

Who fields it

United States Marine Corps 27 layers
31st Marine Expeditionary Unit · 1st Battalion, 1st Marines · 1st Battalion, 5th Marines · 3rd Light Armored Recon Battalion · 4th Assault Amphibian Battalion · 3rd Battalion, 2nd Marines
Australian Defence Force 18 layers
3rd Brigade · 1st Armoured Regiment · 5th Battalion, Royal Australian Regiment · 1st Battalion, Royal Australian Regiment · 2nd/14th Light Horse Regiment

Weapons

Mount	Weapon	Pen	Damage
Main Armament	M256 120mm smoothbore gun KEW-A2 Armor-Piercing Sabot	800 mm → 500 at 3.0 km	8,000
Main Armament	M256 120mm smoothbore gun M830A1 High Explosive Anti-Tank	400 mm	1,900
Secondary Armament	Mag58
Countermeasure	Smoke Launcher
Commander's HMG	M2A1 Browning CWS