The invention relates to an upper receiver for a firearm, comprising a supporting part, which supports a barrel bushing for receiving a barrel, a guide for a longitudinally movable breech carrier, and an anchor for a sight. The guide for the breech carrier is formed on the underside of a rail block preferably made of metal which has the anchor for the sight on its upper side, and the supporting part is also preferably made of metal and mounted both to the barrel bushing and to the rail block via removable fasteners.

The invention relates to an upper receiver for a firearm, comprising a supporting part, which supports a barrel bushing for receiving a barrel, a guide for a longitudinally movable breech carrier, and an anchor for a sight. The guide for the breech carrier is formed on the underside of a rail block preferably made of metal which has the anchor for the sight on its upper side, and the supporting part is also preferably made of metal and mounted both to the barrel bushing and to the rail block via removable fasteners.

A pistol comprising a barrel having a combustion chamber and slide translatable between an advanced configuration closing the combustion chamber, and a retracted configuration opening the chamber and in both configurations is substantially parallel to a longitudinal axis. The slide has a locking seat and longitudinal grooving. A closing organ rotatable with respect to the axis between a first and a second angular position and an element drawing in rotation the closing organ and fixed to the fore-end. The closing organ has a locking relief and a cam taking the rotation from the at least one element drawing in rotation. In the advanced configuration, the closing organ is in the first angular position so the locking relief engages the locking seat and the barrel and slide constrain each other, in the retracted configuration the closing organ is in the second angular position wherein the locking relief disengages from the locking seat and slides along the grooving so the slide can retract with respect to the barrel.

A pistol comprising a barrel having a combustion chamber and slide translatable between an advanced configuration closing the combustion chamber, and a retracted configuration opening the chamber and in both configurations is substantially parallel to a longitudinal axis. The slide has a locking seat and longitudinal grooving. A closing organ rotatable with respect to the axis between a first and a second angular position and an element drawing in rotation the closing organ and fixed to the fore-end. The closing organ has a locking relief and a cam taking the rotation from the at least one element drawing in rotation. In the advanced configuration, the closing organ is in the first angular position so the locking relief engages the locking seat and the barrel and slide constrain each other, in the retracted configuration the closing organ is in the second angular position wherein the locking relief disengages from the locking seat and slides along the grooving so the slide can retract with respect to the barrel.

A pistol comprising a barrel having a combustion chamber and slide translatable between an advanced configuration closing the combustion chamber, and a retracted configuration opening the chamber and in both configurations is substantially parallel to a longitudinal axis. The slide has a locking seat and longitudinal grooving. A closing organ rotatable with respect to the axis between a first and a second angular position and an element drawing in rotation the closing organ and fixed to the fore-end. The closing organ has a locking relief and a cam taking the rotation from the at least one element drawing in rotation. In the advanced configuration, the closing organ is in the first angular position so the locking relief engages the locking seat and the barrel and slide constrain each other, in the retracted configuration the closing organ is in the second angular position wherein the locking relief disengages from the locking seat and slides along the grooving so the slide can retract with respect to the barrel.

The invention relates to a bolt stop for an automatic firearm comprising a bolt stop lever that can be moved between a release position and a catch position, and a locking device that can be moved between a standby position and a locking position, for selectively securing the bolt stop lever in the release position, wherein the locking device is disengaged with the bolt stop lever when in the standby position, and is engaged in with the bolt stop lever when in the locking position, the bolt stop lever deactivated in the locking position.

The invention relates to a bolt stop for an automatic firearm comprising a bolt stop lever that can be moved between a release position and a catch position, and a locking device that can be moved between a standby position and a locking position, for selectively securing the bolt stop lever in the release position, wherein the locking device is disengaged with the bolt stop lever when in the standby position, and is engaged in with the bolt stop lever when in the locking position, the bolt stop lever deactivated in the locking position.

The invention relates to an upper receiver for a firearm, comprising a supporting part, which supports a barrel bushing for receiving a barrel, a guide for a longitudinally movable breech carrier, and an anchor for a sight. The guide for the breech carrier is formed on the underside of a rail block preferably made of metal which has the anchor for the sight on its upper side, and the supporting part is also preferably made of metal and mounted both to the barrel bushing and to the rail block via removable fasteners.

The invention relates to an upper receiver for a firearm, comprising a supporting part, which supports a barrel bushing for receiving a barrel, a guide for a longitudinally movable breech carrier, and an anchor for a sight. The guide for the breech carrier is formed on the underside of a rail block preferably made of metal which has the anchor for the sight on its upper side, and the supporting part is also preferably made of metal and mounted both to the barrel bushing and to the rail block via removable fasteners.

Provided is an automatic pistol comprising a frame with frame guides, a barrel arranged on the frame guides of the frame, a breech and a closing and locking device. The closing and locking device comprises a rod with a closing spring and further comprises a guide bushing, wherein the guide bushing is couplable to the rod and wherein the rod comprises lateral locking elements at its rear end. The frame also has symmetrically arranged inclined grooves designed to receive the locking elements of the rod, so that the rod is guided from an inclined position (locking position) to a horizontal position (unlocking position) and vice versa as a result of a shot from the gun.