Patent ID: 7240449

Claim:
A firearm safety system for attachment to an upper end of a magazine for preventing the operation of a firearm having a loading chamber, a movable bolt and firing pin assembly, an ejection port and means for automatically locking and releasing a magazine from such loading chamber, said safety system comprising: a single member in the form of an elongate single unitary magazine block including an integral lower portion formed in a shape to be removably slidably insertable into and completely carried by an upper end of such magazine for locating said magazine block in such loading chamber simultaneously when such magazine is inserted into such loading chamber and an integral upper portion substantially filling such loading chamber between its opposed ends to locate said upper portion of said block in such loading chamber when such magazine carrying said magazine block is inserted into such loading chamber to prevent forward movement of such movable bolt and such firing pin assembly into such loading chamber of such firearm thereby rendering such firearm inoperable and a near side portion adjacent such ejection port and far side portion.