A minor correctoin - the RPG-43 "sabot" actually holds 2 fabric strips that trail out to keep the head facing forwards.
The Russians had 3 AT grenades:
RPG-40 - weighed 42 oz, don't know the size of the charge.
VPGS 1940 rifle greade - 24 oz, 11.5 oz is the charge, 30mm penetratoin, range about 65 yards.
RPG-43, weighted 42 oz.