Barrett Bors Optical Ranging System

Barrett Bors Optical Ranging System. The system mounts directly to the riflescope and couples with the elevation knob. I currently have a leupold mark 4 which is one […]

Bors Barrett Optical Ranging System

Bors Barrett Optical Ranging System. Internal sensors automatically compensate for changes in Web that new ranging device came to be known as the barrett optical ranging system (bors), […]