Patent ID: 7900391

Claim:
An apparatus for axially traversing a barrel of a gun through a bore and disposing at a select position therein, said barrel terminating at a muzzle and a breech, said apparatus comprising: a bore-rider assembly for entering the muzzle, sliding within the bore of the barrel, and anchoring to the select position, said bore-rider assembly including: first and second bore-riders with an axial channel between proximal and distal ends, each bore-rider having a rim at said distal end and an extension at said proximal end, said rim having an outer diameter adjustable by expansion, and a sleeve couple joining in tandem, at each axial end, said each bore-rider from said proximal end, said couple having an axial cavity; a rod passing through said channel of each said bore-rider and said cavity of said couple, said rod having rod fore and aft ends with respective fore and aft wedges that engage said rims of corresponding bore-riders; and a sight-mount assembly for projecting a line-of-sight from the select position to the muzzle, said sight-mount assembly including: a housing having an open fore end for containing a sighting mechanism and a housing aft end, and a connector for securing said housing aft end to said rod fore end.