8mm X 57 (r) Mauser Boresight 375 Ruger - Enhanced Target Recognition (ETR)

- Enhanced Target Recognition (ETR)

The Impact Duo is parallax corrected and delivers unlimited eye relief

- Rigid diecast aluminum

Instantly increase your nighttime safety and convenience and reduce costly boat repairs

- Length: 4-1/2"

8mm X 57 (r) Mauser Boresight 375 Ruger - Enhanced Target Recognition (ETR)The Sightmark Laser Boresight provides the most convenient and accurate method for sighting in rifles and shotguns of all types. Simply chamber the boresight like a regular bullet and a laser dot will show exactly where the rifle is aiming. Its easy to sight in any scope without firing a single shot. Live fire is only needed to fine tune the weapon being sighted in order to compensate for inconsistencies, such as bullet drop due to distance. Perfect