NcStar .30-06 CARTRIDGE LASER BORE SIGHTER (TLZ3006) Specifications Get on paper the quick and easy way with these High Grade Aluminum Bore Sighters.  Designed to drop right into the chamber of your firearm projecting a straight Laser Beam right down the middle of the bore giving you precise trajectory.   Manufacturer: NcStar Model Number: TLZ3006 SKU: NC_TLZ3006 more info