A rifle comprising: i) a main body, fixed, comprising a barrel which extends along an axis (X-X), a receiver comprising an upper opening, a breech element positioned at an axial end of said upper opening; ii) a trigger assembly at least partly accommodated in the receiver; iii) a slide assembly comprising a shutter group, positioned on the receiver at the upper opening and axially movable between an advanced shooting configuration, in which the shutter group engages the breech element, and a retracted rearming configuration, in which the upper opening is open, and vice versa; iv) a recoil group at least partially accommodated in the receiver, suitable for cooperating with the slide assembly comprising a thrust device comprising a thrust lever which is rotationally movable around a lever axis (R-R) which extends substantially transversely and a thrust spring which performs a torsional action on the thrust lever; wherein the thrust lever extends between a lever upper end and a lever lower end, wherein the lever upper end is suitable for engaging the advancing slide assembly to push it into the advanced configuration; wherein the rifle is characterised by the fact that the slide assembly is axially movable between the advanced advanced shooting configuration and the retracted rearming configuration by the user, and by the fact that in the retracted configuration, the slide assembly engages the thrust lever, pushing it into a retracted position. i) a main body, fixed, comprising a barrel which extends along an axis (X-X), a receiver comprising an upper opening, a breech element positioned at an axial end of said upper opening; ii) a trigger assembly at least partly accommodated in the receiver; iii) a slide assembly comprising a shutter group, positioned on the receiver at the upper opening and axially movable between an advanced shooting configuration, in which the shutter group engages the breech element, and a retracted rearming configuration, in which the upper opening is open, and vice versa; iv) a recoil group at least partially accommodated in the receiver, suitable for cooperating with the slide assembly comprising a thrust device comprising a thrust lever which is rotationally movable around a lever axis (R-R) which extends substantially transversely and a thrust spring which performs a torsional action on the thrust lever; wherein the thrust lever extends between a lever upper end and a lever lower end, wherein the lever upper end is suitable for engaging the advancing slide assembly to push it into the advanced configuration; wherein the rifle is characterised by the fact that the slide assembly is axially movable between the advanced advanced shooting configuration and the retracted rearming configuration by the user, and by the fact that in the retracted configuration, the slide assembly engages the thrust lever, pushing it into a retracted position. wherein the thrust lever extends between a lever upper end and a lever lower end, wherein the lever upper end is suitable for engaging the advancing slide assembly to push it into the advanced configuration; wherein the rifle is characterised by the fact that the slide assembly is axially movable between the advanced advanced shooting configuration and the retracted rearming configuration by the user, and by the fact that in the retracted configuration, the slide assembly engages the thrust lever, pushing it into a retracted position.