Battlefront has some heavy firepower featured today for Tour of Duty with the 105mm Field Artillery Battery.
From the website:
105mm Field Artillery Battery (VUSBX09) includes one Command M16 team, one Staff team, one Gun section with three M101A1 105mm howitzers with crew one Small three-hole base, one Medium four-hole base & three Large six-hole bases.
The M2A1 105mm howitzer was the mainstay of the United States artillery units during World War Two. First entering production in 1941, it quickly gained a reputation for its high degree of accuracy and exceptional firepower.