The Škoda 75 mm Model 1928 (75 mm M.28) was a mountain gun manufactured by Škoda Works and exported to Yugoslavia.
It was a modernized version of the Škoda 75 mm Model 15.
The gun typically had a 75 mm barrel; however, it could be fitted with a 90 mm barrel.
The Wehrmacht redesignated these guns as 7.5 cm GebK 28 (in Einheitslafette mit 9 cm GebH) or 7.5 cm GebK 285(j).
The gun crew was protected by an armoured shield.