Useful kit for sighting in your rifles, likewise your pistols.
Has a positively depressing button that maintains the laser beam.
Uses 3x AG13 button cells to power this module inserted by means of the adapter insert which retains the cells.
Also comes w/ the following relevant caliber adapters;
The adapters are flexible and might be suited for bore inner diameters in between those listed above.
The laser unit itself is also adjustable for windage and elevation, adjustable by means of grub screws per the Allen key included.
There is a small screwdriver included, to install the various adapters on the tail end of the adapter.
Please note that these bore sighters do no come pre-calibrated from the manufacturer and will need such prior to utilizing them.
Emits a 630 - 680 nm green laser diode for improved perception.
The entirety of this unit is aluminum and is black anodized. Female threaded at the tail end for the caliber adapters to affix into.