Patent ID: 6578308
Filing Date: 2003-06-17
Classification: F41A

Abstract:
A firearm safety device for insertion in a barrel and a firing chamber of a firearm to prevent firing comprising:(a) A lock rod extending from a knurled cap having a removable tip on an opposite end, (b) A lock sleeve, in which said lock rod is positioned having a knurled enlarged end portion and an opposite end plug, (c) said removable tip of said lock rod having a control portion to control the necessary expansion of an end plug of said lock sleeve into a securing position in said firing chamber, (d) said end plug of said lock sleeve further includes a plurality of linear slots to allow the diametrical expansion of said end plug, (e) means for attaching said lock rod to said lock sleeve, wherein said attachment means comprises said knurled cap and said knurled enlarged end portion tightly threadedly attached together having a nearly invisible line at a junction, (f) a shoulder of said end plug abutting a shoulder in said firing chamber preventing withdrawal of said lock sleeve from said firing chamber, (g) an observation notch in said knurled enlarged end portion of said lock sleeve, can be aligned with a front sight or other part of the handgun, as a tamper evident indicator.