Abstract: The present invention relates to a device for placing a slide of a handgun in proper position relative to the barrel so that an otherwise concealed barrel pin is now revealed. The invention is particularly suited for handgun designs otherwise lacking a positive stop, external barrel pins or levers. The device includes an indentation for receiving a front face of the handgun. The indentation is at least partially surrounded by a raised ridge adapted to prevent the slide from entering the indentation. Placing the barrel in the indentation forces the slide backwards from the front face. The elevation difference between the depth of the indentation and the ridge is selected to expose a barrel pin of the handgun.