NATO AEP-55 STANAG 4569 is a NATO Standardization Agreement covering the standards for the "Protection Levels for Occupants of Logistic and Light Armored Vehicles".
Shooting tests against Polish uparmoured level 4 KTO Rosomak IFV
Armour-piercing fin-stabilized discarding sabot, long dart penetrator, or simply dart ammunition is a type of kinetic energy penetrator ammunition used to attack modern vehicle armour. As an armament
STANAG 4569
…Angle: azimuth 360°; elevation: 0–90° 30 mm APFSDS or AP at 500 m Angle: Frontal arc to centreline: ± 30° sides included, elevation 0…