"Supercaliber ammunition allowed the enemy to fire at our fortifications and strongholds at close range. Firing the subcaliber projectile is almost silent, but the sound of the explosion is equal to our 122 or 152 mm rounds. This confused our artillery reconnaissance, who expected the enemy to fire heavy artillery from long range."
Anti-tank gun with a supercaliber projectile inserted into the barrel. Discovered in the Hlebenin-Lesny region.
Supercaliber projectile for an AA gun: casing with the propellant charge, wooden container for the projectile.
Via Andrei Ulanov.