Panzergranate 39 was the standard German protipancéřový grenade during the second world war. Produced in a variety of rážích from 37 mm to 88 mm anti-tank cannons (PaK), tank (KwK) and self-propelled guns (StuK). Identical model PzGr. 39 of the same caliber could be used for different types of guns - such as ammunition for anti-tank cannon 7.5 cm Pak 40 L/46 and tank 7,5 cm KwK 40 L/48 had the identical projectile, differed only by the size of the casing.
Structurally, it is a armor piercing high explosive squash head-jerky shot with a steel core and a small amount of explosive charge, piercing cap ballistic hood, one guide ring and a tracer. Ballistic cap cover cigarette lighter and provide so of the projectile, the better the flight characteristics and thus higher accuracy. Představná (Makarovova) caps on the cutting edge of the projectile was provided by a divorced impact energy in the impact to the sides and protect the core from shattering. The guide ring to reduce friction during movement of the shell in the barrel and increase muzzle velocity, accuracy and penetration. For better focus was a grenade equipped with a fosforovou tracer. The shooter could have after launch to track the trajectory of the shot and the next shot adjust the aiming.
https://de.wikipedia.org/wiki/Panzergranate_39
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Structurally, it is a armor piercing high explosive squash head-jerky shot with a steel core and a small amount of explosive charge, piercing cap ballistic hood, one guide ring and a tracer. Ballistic cap cover cigarette lighter and provide so of the projectile, the better the flight characteristics and thus higher accuracy. Představná (Makarovova) caps on the cutting edge of the projectile was provided by a divorced impact energy in the impact to the sides and protect the core from shattering. The guide ring to reduce friction during movement of the shell in the barrel and increase muzzle velocity, accuracy and penetration. For better focus was a grenade equipped with a fosforovou tracer. The shooter could have after launch to track the trajectory of the shot and the next shot adjust the aiming.