A double-barreled firearm having a slide having a slide body, a first barrel, a second barrel in parallel with first barrel, a firing chamber having a first firing chamber and having a second firing chamber and a mechanism for firing only one chamber thereof. The mechanism has a selector switch having a selector switch channel, two feed bar assemblies, two extractor assemblies and a retainer. The selector rod has a proximal end, a distal end and a feed bar notch. The distal end is in rotational communication with the firing chamber. The proximal end engages with the selector switch channel such that when the selector switch is pushed from side to side, the proximal end travels along the selector switch channel causing selector rod to rotate. The two feed bar assemblies are in communication with the feed bar notch of the selector rod. Each of the two feed bar assemblies have a feed bar face. The two extractor assemblies are in communication with the selector rod. Each of the extractor assemblies has an extractor claw and a claw pushrod. A linkage is in communication with each of the claw push rods. The retainer is in communication with the distal end of the selector rod and with the firing chamber.

A bolt-action conversion device includes a slide clamp having a longitudinal cavity, a first pin hole, and a receiver in a direction orthogonal to the longitudinal cavity and substantially adjacent to a forward end of the slide clamp. The device also includes a locking plate having a second pin hole. A body portion of the locking plate has a narrow dimension and a broad dimension relative to the narrow dimension. When the locking plate is inserted into the receiver of the slide clamp with the first pin hole and the second pin hole aligned, an opening is formed between an upper surface of the locking plate and an internal surface of the longitudinal internal cavity. The longitudinal cavity accepts a slide of a firearm such that the opening is aligned with the barrel and at least a portion of the locking plate is aligned with a frame.

A sight adjustment tool includes a surrounding frame and a sight adjustment module. The surrounding frame including two side members and a top member to define an adjustment cavity. The sight adjustment module includes a base platform movably supported within the adjustment cavity in an elevated direction for adjustably supporting a bottom of a pistol slide, two side clampers movably extended from the side members respectively to the adjustment cavity for biasing against two sides of the pistol slide respectively, and a sight adjuster including an adjusting jaw movably supported by a sight adjusting arm and suspendedly supported within the adjustment cavity for engaging with the sight element, wherein when the sight adjusting arm is rotated, the adjusting jaw is driven to slide along the sight adjusting arm for selectively adjusting the position of a sight element with respect to the pistol slide.

A sight adjustment tool includes a surrounding frame and a sight adjustment module. The surrounding frame including two side members and a top member to define an adjustment cavity. The sight adjustment module includes a base platform movably supported within the adjustment cavity in an elevated direction for adjustably supporting a bottom of a pistol slide, two side clampers movably extended from the side members respectively to the adjustment cavity for biasing against two sides of the pistol slide respectively, and a sight adjuster including an adjusting jaw movably supported by a sight adjusting arm and suspendedly supported within the adjustment cavity for engaging with the sight element, wherein when the sight adjusting arm is rotated, the adjusting jaw is driven to slide along the sight adjusting arm for selectively adjusting the position of a sight element with respect to the pistol slide.

Disclosed are recoil-inhibiting grips for handguns that minimize recoil without sacrificing aiming accuracy. The grips may provide both recoil inhibition and grip stability by incorporating a vibration-damping elastomeric strategically positioned in only the back surface of a handgun grip (e.g., facing the palm). The elastomeric insert may be incorporated in the top section of the rear surface of the grip, where the bulk of the recoil force meets the user's palm.

Disclosed are recoil-inhibiting grips for handguns that minimize recoil without sacrificing aiming accuracy. The grips may provide both recoil inhibition and grip stability by incorporating a vibration-damping elastomeric strategically positioned in only the back surface of a handgun grip (e.g., facing the palm). The elastomeric insert may be incorporated in the top section of the rear surface of the grip, where the bulk of the recoil force meets the user's palm.

The trigger mechanism of the auto-loading weapon enabling to select a suitable shooting operation by a single control element, which shooting operation is either single action/double action operation (SA/DA) with the safe hammer (7) activation having the possibility to lock the cocked hammer, or the exclusive double action operation (DAO). The trigger mechanism consist of the swivel (23), the main catcher (9.1) of the hammer and the auxiliary catcher (9.2) of the hammer, equipped with the means for the mutual collaboration and for the collaboration with the hammer (7), wherein the swivel (23) is placed in revolving and adjustable position, and it is controlled by the control element (22) on the weapon surface.

The trigger mechanism of the auto-loading weapon enabling to select a suitable shooting operation by a single control element, which shooting operation is either single action/double action operation (SA/DA) with the safe hammer (7) activation having the possibility to lock the cocked hammer, or the exclusive double action operation (DAO). The trigger mechanism consist of the swivel (23), the main catcher (9.1) of the hammer and the auxiliary catcher (9.2) of the hammer, equipped with the means for the mutual collaboration and for the collaboration with the hammer (7), wherein the swivel (23) is placed in revolving and adjustable position, and it is controlled by the control element (22) on the weapon surface.

Embodiments of the present invention include a breech system comprising, first, a breech lock with a pivotable cam end plate for accessing a firearm breech and, second, a camming cartridge extractor with a pivotable lever for extracting a fired cartridge. The pivotable cam end plate may be connected to an independently pivotable arm that is operable as a lever for moving the cam end plate into an open position to allow breech access. The pivotable cam end plate and pivotable arm may be capable of a plurality of movements within the same plane in order to optimize leverage and cam action for opening the breech lock.

Embodiments of the present invention include a breech system comprising, first, a breech lock with a pivotable cam end plate for accessing a firearm breech and, second, a camming cartridge extractor with a pivotable lever for extracting a fired cartridge. The pivotable cam end plate may be connected to an independently pivotable arm that is operable as a lever for moving the cam end plate into an open position to allow breech access. The pivotable cam end plate and pivotable arm may be capable of a plurality of movements within the same plane in order to optimize leverage and cam action for opening the breech lock.