
These are similar in design and construction to the HE rounds, but lack the explosive charge and the live fuze.
No information about functioning.
No information about hazardous components.
Rocket, 4.5 inch HE, M16, M16E1, M16E2
Rocket, 4.5 inch HE, M20
OP 1664, Volume 1 - US Explosive Ordnance (1947)