Abstract: A firearm locking device for blocking the chamber of a firearm rendering it impossible to load a live cartridge into the chamber. The firearm locking device comprises a cylindrical body, having the size and shape of the chamber for the firearm. The firearm locking device has an integral means for diametrical expansion providing a locking interference fit in the chamber and a key activated means for retracting said diametrical expansion to allow removal of the firearm locking device from the chamber. The firearm locking device does not have the external circumferential grooves or ridges required for extraction from the chamber by the extraction mechanism of the firearm thus preventing removal from the chamber except with a key.

Abstract: In a snowmobile ski suspension having two parallel front mounted steerable skis, each ski is steerable by rotation of the trailing suspension arms about a frame mounted bearing forward of the center of the ski. Steering input from the handlebar rotates the suspension and the ski. The ski moves laterally towards the outside of a turn during rotation to provide increased cornering stability. The ski has a keel mounted forward of its center for ease of turning. The dual support steering column provides a forward offset for the handlebar which leans the driver toward the inside of a corner for better balance and provides crash protection.