Panzeschreck was moust efective infantry weapon in WWII. Western PIAT and bazooka's was not match for more advanced schreck with stronger armor penetration.
Arguably the Panzerschreck was too heavy and cumbersome to be considered the best, especially since the Panzerfaust had better penetration within its (albeit shorter) range.
True,but allso one use weapon,and schreck can be reloaded. Anyway,much betther then PIAT and bazooka.