Bullet for subcalibrated rifle barrel, especially for rifles with partially or fully scratched barrel, which is housed in a propeller cage (11) and features a bullet shell (2) with a through hole (7.1, 7.2, 7.3, 7.4), in which a bullet core (3) is axially guided, which consists of a bullet head (3.1) with an aerodynamically shaped tip and subsequently connected to it, a bullet box (8) with base plate (9), where before the development of the shot the bullet head (3.1) is essentially lowered in the bullet shell (2) and the bullet housing (8) protrudes from the rear end of the shell of the bullet (2), while directly after the development of the shot, the shell of the bullet (2) and the core of the bullet (3) are moved relative to each other such that the tip (4) of the head of the bullet (3.1) comes out in front of the bullet shell (2), where this movement is limited by the plate of base (9) of the bullet box (8) that collides with the rear end of the bullet shell (2) and the external shape of the advantageously ballistic bullet reached is retained at least during the flight phase.
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