A German soldier loading a 30 mm Schiessbecher grenade launcher; Eastern Front, January 1944.
   The Schiessbecher had a short rifled barrel with a caliber of 30 mm (1.2 in) and a length of 250 mm (9.8 in). It weighed 750 g (26 oz) and could be attached to weapons chambered for 7.92×57mm or 7.92×33mm Kurz ammunition like the Karabiner 98k, Karabiner 98a, G98/40, StG 44 and FG 42.  A rather complicated aiming device was mounted to the left of the original sights and allowed for aiming ranges from 0 of up to 250 m (270 yd) in 25 m (27 yd) increments. The Schiessbecher was produced until May 1944. The total production was 1,450,114.

Grenade launcher

German soldiers pass by the remnants of a  US M4 “Sherman” with it's  turret blown off. Plasmolen, Netherlands, 17 September 1944.
taken from fb/Daniel del Moral/History of WW2

Knocked out Sherman

German troops in the Ardennes in December 1944
taken from fb/Shadows of the eastern front