Safety lock for insertion into the breech opening of a firearm comprising a lock member rotatably connected to a cylinder member, the lock member being received in the chamber of the breech block and rotated therein to a locked position by a key inserted into the cylinder member.

The specification discloses a firearm safety kit for disabling a firearm. The kit includes a frangible strap to be secured about the firearm to prevent a movable member, such as the hammer, from moving as required to fire the firearm. Application of predetermined pressure breaks the strap and enables the firearm to be fired. In another aspect for bolt-action firearms, the safety kit includes an insert to be positioned between the bolt and chamber and held in position by the frangible strap. A fi...

A safety strap which maintains the hammer of a handgun in a cocked position. The strap can be drawn around the gun body and includes snap fasteners on its opposite ends. An opening formed in an enlarged intermediate portion of the strap fits over the hammer to prevent it from firing. The strap includes an additional pair of openings on opposite sides of the central opening for holding the safety on regardless of whether the safety is located on one side of the gun body or the other.

A firearm trigger protector including a sheath having two sides dimensioned to enclose a trigger guard on a firearm, first, second and third straps and first and second hook and loop (Velcro) fasteners. The first strap has an unsecured end and is secured at its other end to one side of the sheath. The first hook and loop fastener has two mating portions. One mating portion is secured to the unsecured end of the first strap; and the opposite mating portion is secured to the sheath in a position t...

In firearms which have a removable magazine feed, provision is made to insert a key operated safety magazine unit which replaces the existing magazine unit. The safety magazine unit locks itself into the magazine well of the firearm when actuated by a removable key. Locking of the safety magazine unit prevents its removal from the magazine well of the firearm and replacement by a magazine with live ammunition. Locking of the safety magazine unit also immobilizes the firing mechanism of the firea...

A gun lock consisting of three parts which engage each other to provide a shaft extending through the gun barrel and the bullet chamber, the shaft being held in position by means of a combination lock. A dummy round occupies the bullet chamber and has a hollow cylindrical front portion with a groove for engaging the locking balls which are disposed on the inner end of an intermediate rod which extends through the bore of the gun barrel. The intermediate rod has a slideably moveable central actua...

A universal safety device for preventing the loading of firearms, including a plug adapted to be secured to a bead chain and in frictional engagement with the chamber of the firearm, a bead chain for insertion through the barrel of the firearm and having a length in excess of the length thereof and a locking mechanism for engaging the bead chain at a location wherein the mechanism will block the end of the barrel.

A safety device for inserting in the barrel of a firearm to prevent anyone from cocking, loading or firing the gun as long as the device is in position. The device comprises a plug which fits in each end of the barrel connected together by a flexible cable or similar member which is locked in position at the muzzle end of the gun. Both plugs are provided with vent openings to permit air circulation through the barrel when the device is installed. The plug which fits into the chamber has special ...

A firearm is protected against unauthorized use and contamination with a kit that comprises an element which is resiliently biased into the chamber end of a gun barrel and which may engage with and retain a sealing element at the muzzle end of the barrel. A special key and particular knowledge are required for removal of the device from the firearm.

A safety device for firearms includes a dummy cartridge adapted to be seated in the chamber of the barrel. An elongated rod is threaded into the nose of the bullet end of the dummy cartridge. A muzzle cap is attached to the other end of the rod and is seated in and closes the muzzle. The muzzle cap is adapted to be engaged by a hand tool thereby to unthread the rod from the dummy cartridge to permit removal of the rod and muzzle cap from the muzzle of the firearm and the dummy cartridge from the...